adastra trimaran

The beautiful superyacht has an exceptionally low fuel consumption and yet boasts excellent sea keeping qualities and luxurious accommodation.

Adastra’s 16 metre beam creates a spacious saloon area on the main deck which offers superb views through a panoramic window and accommodates a lounge area, dining table, and navigation station. A forward-facing door through the saloon window gives easy access to a large sunbed on the foredeck.

The main helm station, which has seating for two, is positioned in a raised pilot house situated between the aft deck and the saloon area and forms part of the cross beam structure.

The aft deck has a sofa and bar area to port and a dining area to starboard, further aft of this there is space for a 4.9 metre tender and directly below is a garage which can store a 3.1 metre tender. The garage door has been designed to fold out and create a large swim platform.

Below deck, extra space was created by slightly flaring the central hull just above the waterline. This area has been split into two sections with a full-width master cabin located aft with access from the deck saloon, and two further guest cabins, accommodation for the crew, and the galley located forward of the engine compartment.

Adastra offers comfortable accommodation for nine guests in total and up to six crew members.

The vessel has a fully automated fuel management system which includes an Alfa Laval system for cleaning the fuel.

The anchoring system is unique, with three anchors all driven by carbon fibre drum winches run by hydraulics. The primary anchor is a custom 130kg Bruce style anchor that deploys out of the starboard wing. The bow anchor is 80kg and deploys out of the bow with a carbon fibre arm. The third anchor is 60kg which deploys out of the port wing and will be used as a stern anchor.

The yacht’s superstructure is constructed from carbon fibre with Nomex honeycomb core, the hull is Glass/Kevlar foam sandwich and the interior features lightweight oak cabinetry using honeycomb panels. To help reduce weight, virtually every aspect of the boat is custom built. This includes carbon fibre hatches, portlights, ladders and even hinges, which are all built specifically for the vessel.

Adastra takes the power trimaran concept further than has ever been attempted before. The challenge of turning this concept into a viable luxury yacht led us to further research on stability and comfort at sea for this type of craft. Extensive tank testing and radio controlled model tests in waves were carried out to analyze stability and performance. Outrigger height was optimized for ease of motion at sea, and a new outrigger shape was developed to increase stability in waves. We undertook a state-of-the-art structural analysis of all the major components in the yacht in order to achieve the light weight required for very low fuel consumption.

Today, Adastra remains one of the most iconic superyachts on the water.

“One of the world’s most amazing super yachts, that could spell the future for efficient long range cruising” Boat International

McConaghy_Boats_Adastra 42.5m (36)

Specifications

Length Waterline

Guests on Board

Displacement

Naval Architect

John Shuttleworth

Interior Designer

Jepsen Designs

Main Engine

1 x 1,150hp

Outrigger Engines

Fresh Water

Range at 17 knots

Privacy Overview

  • Cars, Jets & Yachts

Step Inside the Adastra Trimaran Yacht

Adastra is one of the world's most recognizable yachts; we invite you for a look inside this amazing vessel.

By Kim Ayling

adastra yacht on ocean

Despite being first launched almost 10 years ago, the Adastra yacht continues to be a marvel. Built by renowned Australian shipbuilders McConaghy Boats , Adastra’s sleek trimaran design has made her one of the world’s most recognizable yachts; in fact, her striking stature saw designer John Shuttleworth receive a coveted Neptune award for most innovative design at the 2013 World Superyacht Awards.

At 139.5ft, Adastra is a comfortable fit in the superyacht category. However, to keep her as light as possible, her designers and builders undertook a structural analysis of all of her major components with virtually every element custom built. Her three hulls are made of e-glass and Kevlar foam, while her superstructure is constructed from carbon fiber with a Nomex core. This combination of ultra-lightweight materials and careful design means that she remains impressively light despite her size, weighing in at 52 tons.

This steadfast commitment to a lightweight design has ensured that the Adastra yacht has remarkably low fuel consumption – so much so, in fact, that she is capable of crossing the Atlantic Ocean not once but twice before needing to refuel with a max range of 10,000nm, dramatically reducing her environmental impact. Adastra ’s lightness also has a significant impact on her speed, with the eye-catching yacht boasting a top speed of 22.5 knots, and an all-weather cruising speed of around 17 knots.

[See also: The Top 10 Explorer Yachts in the World]

adastra yacht fore

The unique vessel was originally custom-built at McConaghy’s Chinese shipyard for Hong Kong-based shipping magnate, Anto Marden, who commissioned Adastra as an explorer yacht for himself and his family. And it appears that she has now served Marden’s purpose – in 2022 she was on the lookout for a new owner to continue her adventure (if they had a spare $10m to hand).

It is not just Adastra’s exteriors that are a design marvel. One of the big challenges in building this yacht came from trying to fulfill the owner’s brief for a lightweight ship capable of navigating even the most challenging conditions, while still retaining all of the luxury and onboard comforts expected of a yacht of this size.

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As we mentioned above, a custom solution was the only way to guarantee this, with a pared-back yet luxurious finish provided by Jepsen Designs – a Hong Kong-based studio with Danish architect Inge Strompf-Jepsen at its helm. Adastra’s uber-stylish interiors combine Scandi minimalism with uncompromising practicality: honey-colored wood, cool neutral tones and smooth curved lines flow throughout, with flashes of beachy blue completing the aesthetic.

[See also: The Yacht Interior Designers You Need to Know]

adastra owners cabin

Panoramic views are provided by domed wraparound windows in the main lounge area, with skylights overhead ensuring an abundance of natural light. The design tricks don’t stop there, with the main hull cleverly flared over the water’s edge to secure additional onboard room.

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Adastra offers space for up to nine guests: her full-width owner’s cabin sits in a section of the main hull and is accessed via the saloon, with two additional guest cabins (each containing one double and one single bed), as well as room for a five to six-person crew, found forward of the engine room on the lower decks.

As a vessel designed for long journeys around the world, plenty of space to relax on board was essential for Adastra. Her 52.5ft beam allows for a spacious saloon which accommodates a stylishly curved lounge area on a slightly raised section at the fore, as well as a central formal dining area.

From the saloon, stairs at the front of the ship lead to a foredeck with a roomy sunbed, where extra protection from the midday heat can come from a retractable awning. The equally appealing aft deck offers further lounging space, as well as a dining and bar area perfect for al-fresco meals, which can be enjoyed no matter the weather thanks to a hard-top cover.

Adastra’s plentiful outdoor space can be further extended via the garage door, which folds out to create a diving platform. She also offers additional storage capabilities for not one but two tenders, giving her new owner even more scope for onboard adventure.

[See also: Step Inside the Black Pearl Yacht]

main lounge area on adastra yacht

From the very beginning, Adastra was a yacht built for adventure. Although she was initially commissioned for island hopping around Southeast Asia, where her owner has several private islands, she is truly capable of navigating virtually any of the world’s oceans. Under Marden’s ownership, she has seen many a destination, including the sunny coasts of Europe, the shores of the Caribbean, and everywhere in between.

The Adastra yacht also has an exceptionally shallow draft of just 3.9ft, allowing her to venture into bays and harbors that would be completely off-limits to other ships of her size, making her perfect for isolated island areas. And of course, her remarkably low fuel consumption means she can head into the remotest of regions for extended periods without a worry.

dining area on aft deck

Another of Marden’s priorities when commissioning a custom yacht from McConaghy Boats was seaworthiness; a good-looking vessel that couldn’t perform in all conditions wouldn’t cut it. Adastra’s trimaran design makes her impressively stable and comfortable, no matter the weather – Marden has reported heading out into ferocious gales that no other superyacht could handle. However, while she may be able to handle adverse conditions, her multiple sun decks do make agreeable weather the best way to enjoy this magnificent vessel.

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Photo of Kim Ayling

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Inside the Insane, Rule-Breaking Trimaran Yacht That Just Hit the Market for $12 Million

After circling the globe since 2012, this spectacular 140-foot superyacht is ready to go again., howard walker, howard walker's most recent stories.

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Trimaran Adastra 140-foot custom superyacht

For more than seven years it has spun heads from St. Barts to Bali. Now, the rule-breaking 140-foot power trimaran Adastra is up for sale, and could be yours for a cool $12 million.

This futuristic, ocean-crossing projectile was built back in 2012—at a cost of well over $20 million—for Hong Kong–based shipping magnate Antony Marden to cruise Indonesia and Southeast Asia.

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But in those seven years, the custom-built, wave-piercing-hulled superyacht has crossed the Atlantic half a dozen times and taken Marden and his wife island-hopping around the globe.

“She’s been the most remarkable boat. Her seaworthiness is quite amazing. We’ve weathered 50-knot winds crossing both the Pacific and Atlantic oceans. She just takes everything in her stride,” Marden tells us.

“She’s also extremely economical. Cruising at 10 knots, we burn just 4.5 gallons an hour. That gives us a range of around 10,000 nautical miles. We recently did St. Maarten to Vigo in Spain and had enough fuel left to head back to the Caribbean.”

Trimaran Adastra 140-foot custom superyacht

Adastra.  Photo: Courtesy Jochen Manz/Orion Shuttleworth

Designed by Britain’s Shuttleworth Design and built in China by McConaghy Boats , Adastra was created with a single-minded focus on strength and weight reduction. The hulls are made of a super-strong e-glass/Kevlar foam sandwich, with the deck and superstructure constructed from carbon fiber with a lightweight Nomex honeycomb core. Before fuel and water, it tips the scales at just 52 tonnes.

Trimaran Adastra 140-foot custom superyacht

And it’s quick. Powered by a single 1,150 hp Caterpillar C18 straight-six turbo diesel, Adastra has a top speed of 23 knots with a cruising speed—in pretty much any weather—of 17. For backup, it also has a pair of 110 hp Yanmar diesel engines.

Trimaran Adastra 140-foot custom superyacht

Below decks, Hong Kong–based interior designers Jepsen Design squeezed in accommodations for nine guests and six crew in Adastra ‘s slender main hull.

Trimaran Adastra 140-foot custom superyacht

Master cabin.  Photo: Guy Nowell

The full-width owner’s suite in the aft section makes use of the hull’s outward flare from the waterline to add to the feeling of space.

Trimaran Adastra 140-foot custom superyacht

Main sSaloon.  Photo: Courtesy Jochen Manz/Orion Shuttleworth

As you can see, the roomy main saloon is big on curves; from the curved ceiling to the curvy built-in furniture, to the large curved windows that flood the cabin with light.

Trimaran Adastra 140-foot custom superyacht

Helm.  Photo: Courtesy Jochen Manz/Orion Shuttleworth

The main helm station sits in the raised pilothouse between the saloon and the aft deck.

Trimaran Adastra 140-foot custom superyacht

Aft deck.  Photo: Courtesy Jochen Manz/Orion Shuttleworth

What kind of reaction does the Jetsons-style trimaran get in port? “She’s a total head-turner,” says Marden. “She’s pretty much the only boat anyone looks at. Everyone stops and takes a photo.”

So why is he selling? Marden tells us he’s done all the global cruising he wants to and feels it’s time to let a new owner enjoy this very special yacht.

Trimaran Adastra 140-foot custom superyacht

“After seven years, we’ve pretty much cruised to all the places we want to cruise. Now she’s just not getting enough use. We have another yacht at home, so it’s time to sell.”

Right now Adastra is moored in Nassau in the Bahamas , and later this month will head to Fort Lauderdale ‘s Seahaven Marina for a showing to prospective buyers on July 25 and 26. If you’re in the market for a one-of-a-kind trimaran, click here .

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Adastra , or  to the stars , as the poet Virgil once said, is not your average superyacht. With its striking spaceship profile, it might look like a concept. Delivered in 2012, this 140-footer has spent nearly a decade exploring the globe.

“We have been lucky enough to spend at least three months on board every year since the build, crossing the Atlantic and Pacific Oceans, and exploring the more traditional cruising grounds of the Mediterranean and Caribbean,” the owner, requesting anonymity, . “ Adastra  is a truly stable and safe oceangoing yacht.” It also happens to be one of the most innovative vessels on the water.

British designer John Shuttleworth has won multiple awards, not to mention nonstop praise, for  Adastra . What sets the boat apart are its unusual trio of silver hulls that resemble an outrigger canoe. “The structure is a major engineering achievement,” says Shuttleworth in  a video describing  the design. “Nobody had ever designed or built a boat like that.

This one-off design maximizes interior space but has a minimal eco-footprint compared to other yachts its size. Courtesy Burgess Yachts

Built by McConaghy Boats in Zhuhai, China, the custom design went through structural analysis, while a computer model of Adastra was tested for wave impact, slamming and the potential durability of the outriggers running through big seas. Constructed from e-glass and Kevlar, these hulls are mated to a carbon-fiber superstructure, so the boat weighs only 49 tons, or the equivalent weight of a 60-foot conventional yacht. Since weight reduction was critical to the trimaran’s performance, McConaghy custom-designed all the components—hatches, port lights, ladders and hinges—to be made of carbon fiber. This lightweight design delivers hydrodynamic efficiency, stability and performance, as well as low fuel consumption and low environmental impact. “It uses a seventh of the amount of fuel” of conventional motor yachts its size,” said Shuttleworth.

“Our hope at the time was that the design would represent consciousness of the environmental issues facing the world, while also giving impetus to changing attitudes towards reducing carbon emissions and fossil fuel consumption,” Shuttleworth told.

The 140-foot Adastra's triple hulls, light weight and shallow draft gives it exceptional seaworthiness and range.

The design team used its curves and natural light to full effect, with the minimalist, Scandinavian-themed interior. Courtesy Burgess Yachts

Adastra ’s 3.9-foot draft can get into shallow areas that more traditional yachts can’t access, making her ideal for shallow-water areas like the Bahamas. The yacht also has a custom anchoring system, with three anchors that deploy across the bow, stern and along the main hull.

Despite its eco credentials,  Adastra  is still very much a luxury yacht. With the main hull flared over the water for additional space, the exterior layout allows guests to enjoy several secluded areas and superb communal spaces. The Scandinavian-influenced interior by Jepsen Designs, is minimalist and dominated by the natural light flowing in from curved, wraparound windows and skylights, highlighting the honey-colored woods and neutral color palette of the open-plan living areas.  Adastra  was designed for nine guests and up to six crew. The full-beam master cabin is aft, connected directly to the main salon, while two guest cabins and the galley are located near the engine compartment.

Adastra Trimaran Yacht

The open plan gives the sense of being outdoors, especially with the skylights. Courtesy Burgess Yachts

The 140-foot Adastra's triple hulls, light weight and shallow draft gives it exceptional seaworthiness and range.

Courtesy Burgess Yachts

Steve Cornwell

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Superyacht Adastra

42.5m ocean explorer trimaran.

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On winning the 2013 Showboats award for naval architecture, Boat International stated. "this yacht will have the best performance in the most sea states of all those presented" . To find out more about the award winning naval architecture used in these designs read the article "Adastra - The search for a seakindly fuel efficient vessel". Read more.

adastra trimaran

Her slender hulls and streamlined exterior allow her to travel faster in the open ocean and at 17 knots she has a 4,000nm range so can comfortably cross both the Atlantic and Pacific oceans at hi-speed. Measurements taken during the sea trials show that her fuel consumption at 10.5 knots is as low as 17 litres per hour when carrying 10% fuel and water. At cruising load (20 tonnes fuel and water) she uses just 25 litres per hour therefore on delivery trips her range is 10,000nm starting with 30,000 litres of fuel.

Adastra takes the power trimaran concept further than has ever been attempted before, previous vessels like Earthrace and Cable and Wireless were stripped out record breaking machines. The challenge of turning this concept into a viable luxury yacht has led us to further research and develop new thinking on stability and comfort at sea for this type of craft. Extensive tank testing and radio controlled model tests in waves have been carried out to analyse stability and performance. Outrigger height has been optimised for ease of motion at sea, and a new outrigger shape has been developed to increase stability in waves.

We have undertaken state of the art structural analysis of all the major components in the yacht in order to achieve the light weight required for very low fuel consumption. The deck and superstructure is constructed from carbon fibre with Nomex honeycomb core, the hull is glass/kevlar foam sandwich and the interior is lightweight oak cabinetry using honeycomb panels. To help reduce weight further, virtually every aspect of the boat is custom built. This includes carbon fibre hatches, toilets, portlights and ladders, which are all built specifically for the vessel.

Aerodynamics and hydrodynamics above the water line were carefully considered as we developed the overall exterior shape and we kept the boat streamlined both for air and water passing over the structure. The smooth seamless, unbroken surfaces also help to reduce weight as the outer-skin forms part of the structure to absorb torsional loads.

adastra trimaran

Adastra in the Philippines

Photographs by Jochen Manz.

adastra trimaran

Adastra in Malaysia

Photographs by Orion Shuttleworth.

adastra trimaran

Adastra Exterior Details

adastra trimaran

Adastra in Hong Kong

adastra trimaran

Adastra Launched

After 4 years in build by McConaghy boats in Zhuhai China, the fuel efficient 42.5 m Trimaran Adastra was launched into the Pearl River on 11th April 2012.

adastra trimaran

Design Team

From left Orion, John, and Sky Shuttleworth

Exterior Renderings

adastra trimaran

Interior Renderings

adastra trimaran

Interior Images

adastra trimaran

Under construction

Adastra under construction in McConaghy yard Zhuhai China

The images and content on this site are copyright. No content or images from this site should be reproduced without the permission of John Shuttleworth Yacht Designs Ltd.

Exterior Deck

Exterior Deck

Adastra's 16 metre beam creates a spacious saloon area on the main deck which offers superb views through a panoramic window and accommodates a lounge area, dining table and navigation station.

Main Deck

Extra space has been created below deck by slightly flaring the central hull just above the waterline. This area has been split into two sections with a full-width master cabin located aft with access from the deck saloon, and two further guest cabins, accommodation for the crew, and the galley located forward of the engine compartment. Adastra offers comfortable accommodation for nine guests and up to six crew members.

Lower Deck

Wheelhouse Deck

The main helm station, which has seating for two, is positioned in a raised pilot house situated between the aft deck and the saloon area and forms part of the cross beam structure.

Wheelhouse Deck

The vessel's profile has been kept low to reduce the vertical centre of gravity and improve stabilty in waves. The overall shape has been kept streamlined to optimise aerodynamics and hydrodynamics above the water line and the smooth unbroken surfaces help to reduce weight as the outer-skin forms part of the structure to absorb torsional loads.

Wheelhouse Deck

Adastra Technical data

  • Specification
  • Fuel Consumption Charts
  • Length Overall 42.5m
  • Draft 1.12 m (1.6m to tip of rudder)
  • Displacement light 52 tonnes
  • Displacement cruising max (15,000 litres fuel) 67.6 tonnes
  • Fuel Capacity 30,000 litres
  • Hull Construction Composite (Glass/Aramid/Foam)
  • Deck Construction Composite (Carbon/Nomex)
  • Performance
  • Speed Max 23.2 knots
  • Speed cruising 17 knots
  • Range at 10.5 knots 10,000nm
  • Range at 17 knots 4,000nm
  • Accommodation and Tenders
  • Owner and Guests 9
  • Tenders 4.9m and 3.1m RIBS
  • Main engine 1x Caterpillar C18 1150 hp @ 2300 rpm
  • Outrigger engines 2 x Yanmar 110hp @ 3200 rpm
  • Generators 2 x 36 kw and 1x 26 kw
  • Fuel Consumption
  • Fuel consumption 10.5 knots - 20 tonnes fuel and water 25 litres per hour
  • Fuel consumption 10.5 knots - 3 tonnes fuel and water 17 litres per hour
  • Fuel consumption 13 knots - 20 tonnes fuel and water 60 litres per hour
  • Fuel consumption 13 knots - 3 tonnes fuel and water 40 litres per hour
  • Fuel consumption 17 knots - 20 tonnes fuel and water 130 litres per hour
  • Design and Build
  • Exterior Styling Shuttleworth Design Ltd
  • Naval Architecture Shuttleworth Design Ltd
  • Structural Design Shuttleworth Design Ltd & ASTA Ltd
  • Interior Styling Jepsen Design
  • Builder McConaghy Boats, China

42m Adastra Vs a Selection of Other Typical 42m Vessels

adastra trimaran

42m Adastra Vs a Typical 25m Planing Monohul

adastra trimaran

Shuttleworth Design Ltd Gurnard Isle of Wight UK

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Inside the Insane, Rule-Breaking Trimaran Yacht That Just Hit the Market for $12 Million

Click here to read the full article.

For more than seven years it has spun heads from St. Barts to Bali. Now, the rule-breaking 140-foot power trimaran Adastra is up for sale, and could be yours for a cool $12 million.

This futuristic, ocean-crossing projectile was built back in 2012—at a cost of well over $20 million—for Hong Kong–based shipping magnate Antony Marden to cruise Indonesia and Southeast Asia.

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But in those seven years, the custom-built, wave-piercing-hulled superyacht has crossed the Atlantic half a dozen times and taken Marden and his wife island-hopping around the globe.

“She’s been the most remarkable boat. Her seaworthiness is quite amazing. We’ve weathered 50-knot winds crossing both the Pacific and Atlantic oceans. She just takes everything in her stride,” Marden tells us.

“She’s also extremely economical. Cruising at 10 knots, we burn just 4.5 gallons an hour. That gives us a range of around 10,000 nautical miles. We recently did St. Maarten to Vigo in Spain and had enough fuel left to head back to the Caribbean.”

Designed by Britain’s Shuttleworth Design and built in China by McConaghy Boats , Adastra was created with a single-minded focus on strength and weight reduction. The hulls are made of a super-strong e-glass/Kevlar foam sandwich, with the deck and superstructure constructed from carbon fiber with a lightweight Nomex honeycomb core. Before fuel and water, it tips the scales at just 52 tonnes.

And it’s quick. Powered by a single 1,150 hp Caterpillar C18 straight-six turbo diesel, Adastra has a top speed of 23 knots with a cruising speed—in pretty much any weather—of 17. For backup, it also has a pair of 110 hp Yanmar diesel engines.

Below decks, Hong Kong–based interior designers Jepsen Design squeezed in accommodations for nine guests and six crew in Adastra ‘s slender main hull.

The full-width owner’s suite in the aft section makes use of the hull’s outward flare from the waterline to add to the feeling of space.

As you can see, the roomy main saloon is big on curves; from the curved ceiling to the curvy built-in furniture, to the large curved windows that flood the cabin with light.

The main helm station sits in the raised pilothouse between the saloon and the aft deck.

What kind of reaction does the Jetsons-style trimaran get in port? “She’s a total head-turner,” says Marden. “She’s pretty much the only boat anyone looks at. Everyone stops and takes a photo.”

So why is he selling? Marden tells us he’s done all the global cruising he wants to and feels it’s time to let a new owner enjoy this very special yacht.

“After seven years, we’ve pretty much cruised to all the places we want to cruise. Now she’s just not getting enough use. We have another yacht at home, so it’s time to sell.”

Right now Adastra is moored in Nassau in the Bahamas , and later this month will head to Fort Lauderdale ’s Seahaven Marina for a showing to prospective buyers on July 25 and 26. If you’re in the market for a one-of-a-kind trimaran, click here .

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The Adastra Trimaran Is a Luxury Adventure Yacht Unlike Any Other

Even for millionaire playboys, it’s hard to stand out in a crowd. In the world’s most exclusive marinas — think Monaco and Miami Beach — it’s no longer enough to sail in on a massive yacht. These days, it’s more about panache. And few luxury boats boast the supervillain-esque swagger of the M/Y Adastra . The best part: It’s for sale.

From above, the 140-foot trimaran’s aggressive stance and exaggerated hull make it clear this is no ordinary pleasure boat. The lines are so striking that the photos look more like a concept rendering than a real-life boat in the water. That’s precisely what master boat designer John Shuttleworth of Britain’s Shuttleworth Design intended. Hong Kong shipping magnate Antony Marden commissioned the ultra-luxurious craft to host his closest family and friends on jaunts around the world. He demanded, in his words, “a serious passage maker and world-class head-turner from Ibiza to Bali.” Nearly every aspect of the ship was custom built in China by McConaghy Boats. The cabinetry, hatches, ladders, portlights, and even the hinges were all specifically fabricated for the Adastra to conserve weight.

adastra trimaran luxury adventure yacht 7

Features include a full-width master bedroom with en suite bath, twin guest cabins, and a swanky saloon with a dining room, a navigation station, and an oversized lounge area with a high-tech multimedia setup. The built-in garage can accommodate a 10-foot tender and also doubles as a large dive platform. The yacht’s entire superstructure is wrapped in carbon fiber with a Nomex honeycomb core and a glass and Kevlar foam sandwich hull. All of which ensures it’s extremely lightweight (and extremely expensive to boot). With an oversized Caterpillar C18 straight-six turbo-diesel pushing 1,150 horsepower, the ship boasts a top speed of 22 knots and a cruising speed of 17 knots.

Thanks to its state-of-the-art fabrication, it’s not only built for speed, but for long-range ocean voyaging as well. Marden told Robb Report , “She’s also extremely economical. Cruising at 10 knots, we burn just 4.5 gallons an hour. That gives us a range of around 10,000 nautical miles. We recently did St. Maarten to Vigo in Spain and had enough fuel left to head back to the Caribbean.” Transpacific pleasure cruise anyone?

Assuming you’re interested and flush with at least $12 million in disposable income, feel free to make an offer. According to the official listing , the M/Y Adastra is currently “priced to sell.” Considering the original $20 million construction cost, it sounds like a steal.

If you’re in the market for something a little more full-featured and ready to explore the literal ends of the earth, check out these over-the-top yacht concepts .

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Adastra-trimaran-for-sale

$2M Price Drop on Trimaran Motor Yacht Adastra

The iconic 42.6 metre trimaran Adastra , listed for sale with Burgess , has had a price reduction of $2 million.

Built by McConaghy Boats , she was delivered in 2012 to an experienced yacht owner. The futuristic design was penned by John Shuttleworth with interiors by Jepsen Designs .  Adastra  won a coveted Neptune at the World Superyacht Awards in 2013 for the most innovative yacht.

Made for exploring, an impressive 10,000 nautical mile range means she can cross the Atlantic twice before needing to refuel. A shallow draft of 1.2 metres allows her to access hard to reach anchorages and shallow bays too.

The main saloon benefits from large wrap-around windows, with a door in the centre leading to a large sun bed on the foredeck. This outdoor area can be shaded with an awning suspended from carbon-fibre poles set into the deck.

Below, extra space has been created by flaring the central hull above the waterline.  Adastra  can accommodate up to nine guests in a full-beam master cabin and two doubles, with a crew of six. The master cabin is accessed from the saloon and sits aft in a section of the main hull. The guest cabins are forward of the engine room with crew cabins and the galley further forward still.

Her Scandinavia-meets-Asia style interiors feature light honey oak and semi-gloss white paint with occasional brushed stainless-steel trim. Rooms are finished with white woven fabrics and blue and white soft furnishings.

The main helm station, which has two seats on a plinth that give a view over the cabin top, is in a raised pilothouse between the saloon and the aft deck. Adastra  also has a 4.8 metre tender, a second three-metre tender.

The hulls of the yacht are formed from e-glass/Kevlar foam sandwich, with the deck and superstructure made of carbon fibre and Nomex honeycomb core. Power comes from a single Caterpillar C18 1150hp main engine and two Yanmar 110hp outrigger engines, for a top speed of 23 knots.

Adastra  is now asking $10,000,000.

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The Trimaran Adastra Superyacht by John Shuttleworth [17 pics]

by twistedsifter

The Adastra is the result of more than five years of design and planning. The stunning 42.5 meter (139.4 ft) trimaran is currently being built in China for Hong Kong Clients, Anto and Elaine Marden. Designed and engineered by the world-renowned John Shuttleworth Yacht Designs, the Adastra is a beautiful machine and I can’t wait to see the finished product.

THE ADASTRA BY JOHN SHUTTLEWORTH YACHT DESIGNS

  “Adastra” is the result of more than 5 years of design and discussion with the owners, to build a yacht that meets the needs of a very experienced ocean voyaging couple and their family, and to provide the level of comfort and style that would be expected in a yacht of this class and size. No effort has been spared in the challenge to produce a beautiful yacht that will have low fuel consumption and yet provide excellent sea keeping qualities and luxurious accommodation.

“Adastra” takes the power trimaran concept further than has ever been attempted before, previous vessels like “Earthrace” and “Cable and Wireless” were stripped out record breaking machines. The challenge of turning this concept into a viable luxury yacht has led us to further research and to develop new thinking on stability and comfort at sea for this type of craft. Extensive tank testing and radio controlled model tests in waves have been carried out to analyze stability and performance. Outrigger height has been optimized for ease of motion at sea, and a new outrigger shape has been developed to increase stability in waves.

John Shuttleworth Yacht Designs has undertaken a state of the art structural analysis of all the major components in the yacht in order to achieve the light weight required for very low fuel consumption. All this has resulted in the exceptional vessel that is nearing completion in China.

A trimaran is a multihulled boat consisting of a main hull (vaka) and two smaller outrigger hulls (amas), attached to the main hull with lateral struts (akas). The design and names for the trimaran components are derived from the original proa constructed by native Pacific Islanders. [Source: Wikipedia ]

  Adastra’s 16 metre beam creates a spacious saloon area on the main deck which offers superb views through a panoramic window and accommodates a lounge area, dining table, and navigation station. A forward facing door through the saloon window gives easy access to a large sunbed on the foredeck. The aft deck has a sofa and bar area to port and a dining area to starboard, further aft of this there is space for a 4.9 metre tender and directly below is a garage which can store a 3.1 metre tender.

The garage door has been designed to fold out and create a large dive platform. Extra space has been created below deck by slightly flaring the central hull just above the waterline. This area has been split into two sections with a full-width master cabin located aft with access from the deck saloon, and two further guest cabins, accommodation for the crew, and the galley located forward of the engine compartment. Adastra offers comfortable accommodation for nine guests and up to six crew members. The main helm station, which has seating for two, is positioned in a raised pilot house situated between the aft deck and the saloon area and forms part of the cross beam structure.

THE ADASTRA Continued…

  The Superstructure is carbon fibre with Nomex honeycomb core, the hull is Glass/Kevlar foam sandwich and the interior is light weight oak cabinetry using honeycomb panels. To help reduce weight, virtually every aspect of the boat is custom built. This includes carbon fibre hatches, portlights, ladders and even hinges, which are all built specifically for the vessel.

A SiMON_ integrated ships monitoring system monitors fuel, security, pump sensors, electrical, lights, etc. The vessel has a fully automated fuel management system which includes an Alfa Laval system for cleaning the fuel.

The anchoring system is unique with 3 anchors all driven by carbon fibre drum winches run by hydraulics. The primary anchor is a custom 130kg Bruce style anchor that deploys out of the starboard wing. The second anchor is 80kg and deploys out of the bow with a carbon fibre arm. The third anchor is 60kg which deploys out of the port wing and will be used as a stern anchor.

  LOA – 42.5 m Beam – 16 m Hull Draft – 1.12 m (1.6m to tip of rudder) Main engine – 1x Caterpillar C18 -1150 hp @ 2300 rpm Outrigger engines – 2x Yanmar 110hp @ 3200 rpm Generators – 2 x 36 kw custom in the outriggers linked to 110 Hp Yanmar engines, and 1x 26 kw Northern lights in Main engine room Owner and Guests – 9 Crew – 5-6 Tenders – 4.9m stored on the aft deck and a 3.1m stored in the garage Freshwater Capacity – 2x 800 gph fresh water makers – 2700 litres water Displacement light – Fully equipped and full stores and crew, no fuel and no water – 49 tonnes Displacement cruising max – (normal operational load) 15000 litres fuel – 64.8 tonnes Displacement ocean passage max – (only for occasional long ocean passages) 32000 litres fuel – 77 tonnes Speed max – 22.5 knots Range at 17 knots – 4000 miles Fuel consumption at 13 knots – 90 litres per hour. Fuel consumption at 17 knots – 120 litres per hour Exterior Styling – John Shuttleworth Yacht Designs Ltd. Naval Architecture – John Shuttleworth Yacht Designs Ltd. Structural Design – John Shuttleworth Yacht Designs Ltd. & Applied Structural Analysis Ltd. Interior Design – Jepsen Designs, Hong Kong Builder – McConaghy Boats, Zhuhai, China

JOHN SHUTTLEWORTH YACHT DESIGNS

  John Shuttleworth Yacht Design, Ltd., is based in West Sussex, England and has gained a reputation for designing fast, strong, and safe boats. Their designs are consistent race winners, and several have broken and still hold some of the toughest long-distance ocean sailing records. Shuttleworth’s design team has developed the “Integrated Structure,” resulting in boats that are lighter, stiffer, and stronger than any previous multihull designs. They are now using this technology to design power multihulls, and sail-assisted power boats, where significant savings in fuel consumption and increased range can be achieved.

If you enjoyed this article, the Sifter highly recommends:

  Necker Belle: The Ultimate Catamaran Experience  

Categories: DESIGN Tags: · boats , opulence

The Trimaran Adastra Superyacht by John Shuttleworth [17 pics]

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Adastra Trimaran – A Superyacht Built in China

May 13, 2016 By Daniel Mihai Popescu Leave a Comment

Adastra trimaran was launched in 2013 in China and took three years to build, as well as two years of planning and design. It was designed by Sussex-based designer John Shuttleworth , together with his two sons, Orion , and Sky . The superyacht is so high-tech, that from up to 50 meters it can even be controlled remotely at the touch of an iPad.

The yacht was purchased with £15 Million by the billionaire shipping magnate, Antony Louis Marden , a very experienced yachtsman who has spent his life on the high seas for his business and now flitting between islands in the far east and south-east Asia. Mr. Marden serves as the President of FIM Limited of National Marine Corporation.

Adastra Trimaran - External View

Adastra Trimaran is like a rocket – frontal view

Adastra’s high-concept, space-age look is no joke. The shape has been specially developed to cut through waves as it glides across the oceans.

John, Orion, and Sky Shuttleworth’s groundbreaking hydrodynamic design adapts the high-powered trimaran concept into the most versatile luxury yacht on the market. Built for long-range cruising, its speed and stability will get the cruiser through the choppiest waves. And what the 140-foot-long Adastra trimaran lacks in “superyacht space” it makes up for in comfort and style, with a lounge, bar and dining area enclosed in panoramic windows that allow for stunning views.

Adastra Trimaran - External View

Adastra Trimaran – External View

Adastra Trimaran – General

Length Overall 42.5m Beam 16m Draft 1.12 m (1.6m to tip of rudder) Displacement light 52 tonnes Displacement cruising max (15,000 litres fuel) 67.6 tonnes Fuel Capacity 30,000 litres Hull Construction Composite (Glass/Aramid/Foam) Deck Construction Composite (Carbon/Nomex)

Adastra Trimaran - Deck

Adastra Trimaran – Deck

Adastra Trimaran – Performance

Speed Max – 23.2 knots Speed cruising – 17 knots Range at 10.5 knots – 10,000 nautical miles Range at 17 knots – 4,000 nautical miles

Adastra Trimaran - Interior 1

Adastra Trimaran – Interior 1

Adastra Trimaran – Accommodation and Tenders

Owner and Guests 9 Crew 5-6 Tenders 4.9m and 3.1m RIBS

Adstra Trimaran - A Cabin

Adstra Trimaran – Master Cabin

Adastra Trimaran – Propulsion

Adastra Trimaran - Layout

Adastra Trimaran – Layout

Fuel consumption 10.5 knots – 20 tons fuel and water 25 liters per hour Fuel consumption 10.5 knots – 3 tons fuel and water 17 liters per hour Fuel consumption 13 knots – 20 tons fuel and water 60 liters per hour Fuel consumption 13 knots – 3 tons fuel and water 40 liters per hour Fuel consumption 17 knots – 20 tons fuel and water 130 liters per hour Fuel consumption 17 knots – 3 tons fuel and water 100 liters per hour

Fuel Consumption Diagram - Comparison between different power boat types

Fuel Consumption Diagram – Comparison between different power boat types

As you see, the fuel consumption is incredibly low. That is what I call a “superyacht”.

Adastra Trimaran - Interior 2

Adastra Trimaran – Interior 2

Adastra Trimaran – Design and Build

Exterior Styling Shuttleworth Design Ltd Naval Architecture Shuttleworth Design Ltd Structural Design Shuttleworth Design Ltd & ASTA Ltd Interior Styling Jepsen Design Builder McConaghy Boats , China

This is from far and away the most beautiful multihull yacht I have ever seen. A little bit too expensive though, at over $23 Million as it’s worth at the moment I wrote this article.

If you like what you read, please subscribe to this blog by completing the form . If you want to help more, start by following us on Twitter , and like our page on Facebook . You don’t know what good things may happen. To lighten your day, check our pins on Pinterest , we can be friends there too. Oh, and if you need a really good looking blog attached to your site, or just for fun, to express your feelings more competitively, read this Own Your Website offer! Thank you very much.

Copyright © 2016 The Yacht Owner – Adastra, a Super Trimaran Built in China

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About Daniel Mihai Popescu

Daniel Mihai Popescu is a ship engineer with background in sea transportation, real estate, yacht brokerage, construction, entrepreneurship. Avid reader, traveled the world, explorer of the human nature. Never stopped learning, now I create and manage Wordpress based sites . • Twitter • Facebook • LinkedIn • Instagram • Pinterest • Goodreads • Medium •

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  1. Adastra

    Adastra is a 140′ (42.5m) Trimaran, built by McConaghy at their Zhuhai Facility in China. Designed by John Shuttleworth, Adastra was created to meet the needs of a very experienced ocean voyaging couple and their family, who wanted to provide the level of comfort and style that would be expected in a yacht of this class and size.

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    The Adastra yacht is a groundbreaking luxury yacht launched by McConaghy in 2012, featuring a design by Shuttleworth Design. The yacht showcases exceptional specifications, with a maximum speed of 23 knots and a cruising speed of 16 knots, backed by robust Caterpillar engines. The Adastra incorporates the power trimaran concept, using carbon ...

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    Despite being first launched almost 10 years ago, the Adastra yacht continues to be a marvel. Built by renowned Australian shipbuilders McConaghy Boats, Adastra's sleek trimaran design has made her one of the world's most recognizable yachts; in fact, her striking stature saw designer John Shuttleworth receive a coveted Neptune award for most innovative design at the 2013 World Superyacht ...

  6. The High-Tech Trimaran-Yacht Adastra Hits the Market for $12 Million

    Now, the rule-breaking 140-foot power trimaran Adastra is up for sale, and could be yours for a cool $12 million. This futuristic, ocean-crossing projectile was built back in 2012—at a cost of ...

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  8. Inside 'Adastra' the bonkers, rule-breaking trimaran that has

    Adastra has weathered 50-knot storms and boasts a vast 10,000-nautical mile range at 10 knots. Powered by a single 1,150 hp Caterpillar C18 engine, the boat's top speed is 23 knots, with a friendly cruise of 17 knots. Adastra also has two 110-hp Yanmar outrigger engines to power the three onboard generators. For transoceanic crossings, the ...

  9. Adastra: World's Most Amazing Carbon Fiber Superyacht Trimaran

    Adastra is the 140' (42.5m) Trimaran launched in China, and built at McConaghy'S Zhuhai Facility, China for a Hong Kong client for long range ocean voyaging....

  10. Boat of The Week: Inside 'Adastra', the Bonkers, Rule-breaking Trimaran

    Adastra has weathered 50-knot storms and boasts a vast 10,000-nautical mile range at 10 knots. Powered by a single 1,150 hp Caterpillar C18 engine, the boat's top speed is 23 knots, with a friendly cruise of 17 knots. Adastraalso has two 110-hp Yanmar outrigger engines to power the three onboard generators. For transoceanic crossings, the two ...

  11. Adastra Trimaran Yacht

    Built by McConaghy Boats and delivered in 2012, view 42.5m luxury yacht Adastra. Find out more about Adastra's innovative design here.

  12. Adastra Trimaran: 4,000 Miles At 17 Knots

    Adastra, a 140-foot (42.5-meter) trimaran hit the water in Zhuhai, China, in March. It took more than five years from concept to launch to fulfill the dream of the Hong Kong-based owner, whose desire for a stylish, fuel-efficient superyacht inspired naval architects John Shuttleworth Yacht Designs. The designers expanded on stripped-down racing ...

  13. Superyacht Adastra

    Superyacht Adastra. The striking 42.5m trimaran Adastra was launched in China on 11th April 2012. She is the result of meticulous attention to detail and innovative design to create a yacht that meets the needs of a very experienced ocean voyaging couple and their family, and to provide the level of comfort and style expected in a yacht of this ...

  14. On board with Anto Marden, owner of trimaran superyacht Adastra

    Adastra, by all accounts, was a huge project and incredibly expensive - taking three years to build, although Shuttleworth's vision was clear from the outset."John is pretty handy with drawings. The first one he sketched looks remarkably like the final product," says Marden. McConaghy Boats in Zhuhai was the obvious choice of shipyard, close enough for Marden to visit once a month and ...

  15. Inside the Insane, Rule-Breaking Trimaran Yacht That Just Hit the

    Now, the rule-breaking 140-foot power trimaran Adastra is up for sale, and could be yours for a cool $12 million. This futuristic, ocean-crossing projectile was built back in 2012—at a cost of ...

  16. The future of superyachts is here with Adastra

    'Adastra takes the power trimaran concept further than has ever been attempted before,' Shuttleworth says. 'The challenge of turning this concept into a viable luxury yacht that meets the needs of a very experienced ocean-voyaging couple and their family has led us to develop new thinking on stability, very low fuel consumption and ...

  17. Adastra Superyacht Trimaran full video

    Step into another world and a whole new style of luxury yachting with Adastra. Streamlines and a fierce look on the seas, she is sure to impress on an ultra-...

  18. The Adastra Trimaran Is a Luxury Adventure Yacht Unlike Any Other

    And few luxury boats boast the supervillain-esque swagger of the M/Y Adastra. The best part: It's for sale. From above, the 140-foot trimaran's aggressive stance and exaggerated hull make it ...

  19. $2M Price Drop on Trimaran Motor Yacht Adastra

    The iconic 42.6 metre trimaran Adastra, listed for sale with Burgess, has had a price reduction of $2 million.. Built by McConaghy Boats, she was delivered in 2012 to an experienced yacht owner.The futuristic design was penned by John Shuttleworth with interiors by Jepsen Designs. Adastra won a coveted Neptune at the World Superyacht Awards in 2013 for the most innovative yacht.

  20. The Trimaran Adastra Superyacht by John Shuttleworth [17 pics]

    The Adastra is the result of more than five years of design and planning. The stunning 42.5 meter (139.4 ft) trimaran is currently being built in China for Hong Kong Clients, Anto and Elaine Marden. Designed and engineered by the world-renowned John Shuttleworth Yacht Designs, the Adastra is a beautiful machine and I can't wait to see the ...

  21. Inside Adastra Trimaran: The Future of Luxury Yachting

    #adastra #trimaran #charteryacht Adastra, or to the stars, as the poet Virgil once said, is not your average superyacht.The ADASTRA yacht is a 42.5-meter tri...

  22. Adastra Trimaran

    Adastra trimaran was launched in 2013 in China and took three years to build, as well as two years of planning and design. It was designed by Sussex-based designer John Shuttleworth, together with his two sons, Orion, and Sky.The superyacht is so high-tech, that from up to 50 meters it can even be controlled remotely at the touch of an iPad.

  23. Adastra ~ the most incredible superyacht in the world

    iPad-controlled superyacht, Adastra. Thanks to Anto and Elaine Marden for giving us the opportunity to follow the building of this yacht from design to launc...