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U-Boat Worx unveils the Nautilus underwater superyacht at the Monaco Yacht Show

At the 2022 Monaco Yacht Show the Dutch builder U-Boat Worx will review designs for the 1,250-ton, 37.5-meter Yacht Submarine, the Nautilus . Once it is built, the vessel will be equally at ease functioning as a yacht or a submersible. Since Jules Verne’s 20,000 Leagues Under the Sea came out in 1870, people have been dreaming of a luxury yacht with dive capabilities. Since then, inventors produced a lot of impressive concepts. Unfortunately, not one of these designs has ever been realised.

Being the world leader in the market for small submersibles, U-Boat Worx has now finally succeeded in engineering a realistic combination of luxury and safety in a fully certified private submersible. The diesel-electric Nautilus has a depth rating of 200 meters, with a surface cruise speed of 9 knots and an underwater speed of 4 knots. Once ordered, an owner can expect to have their Nautilus delivered within 30 months. When functioning as a boat, the Nautilus offers a massive sundeck equipped with a freshwater pool, a bar, and a luxurious dining table. This al fresco arrangement is retracted before the submersible slips below sea level.

A newly invented, completely pressure-resistant electrical tender is stowed under the Nautilus’s aft deck and will stay outside while diving. This tender, the Aronnax, may also be used for transporting five scuba divers underwater to the intended dive spot.

The Nautilus interior features a 50 sq. m dinner and lounge area with four circular windows. Each with diameters close to 4 meters. The proposed design for the submarine has a master bedroom and four staterooms, as well as sleeping quarters for up to six crew. A fully equipped galley makes cooking an underwater meal simple and fun. However, interior layouts are fully customisable by the client.

The superyacht submarine will be able to stay under water for up to four days. At cruise speed, the underwater endurance is six hours.

When not in use, the Nautilus can be docked at any quay that can accommodate its 6.5-meter draft.

The Nautilus has a starting price of € 25 million.

“People that have decided to buy a yacht will now have to consider if their vessel of choice can also dive down to 200 meters,” says U-Boat Worx Chairman and Founder Bert Houtman .

As an added bonus, the Nautilus easily combats seasickness. “If the sea becomes too rough,” says Houtman , “You simply dive and continue your voyage in comfort. With the Nautilus, the yachting market will never be the same again.”

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Monaco Yacht Show: U-Boat Worx reveals underwater superyacht concept Nautilus

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By Nina Done   11 October 2022

Dutch builder U-Boat Worx presented their thrilling new 37.5m (123ft) underwater superyacht concept to lucky visitors at the Monaco Yacht Show 2022 .

Dubbed Nautilus , the 1,250-ton diesel-electric vessel is a new class of hybrid submarine coupled with superyacht luxury with a range of on-board facilities. Capable of depths of up to 200m, the superyacht submarine will be able to remain underwater for up to 4 days.

With a series of 4-meter wide circular windows for spectacular underwater vistas, the proposed design features 50 sq. m of lounge and dining space, with acommodation comprising a master bedroom and 4 staterooms, plus sleeping quarters for up to 6 crew. This layout can be fully customisable by the client.

With the Nautilus, the yachting market will never be the same again.

Capable of functioning as a yacht, Nautilus will also feature a retractable sundeck when afloat, replete with a pool, bar and dining option, offering guests an alfresco haven in which to relax and socialise while taking in the beautiful water-level views of their surroundings. 

As an added bonus, the superyacht sub easily combats seasickness. “If the sea becomes too rough,” says U-Boat Worx Chairman and Founder Bert Houtman, “you simply dive and continue your voyage in comfort. With the Nautilus, the yachting market will never be the same again.”

The yacht submarine will also contain a pressure-resistant electrical tender for transporting up to 5 scuba divers underwater to their intended dive spot. When not in use, this tender can be stowed under the vessel’s aft deck.

Nautilus will have a surface cruise speed of 9 knots, with an underwater speed of 4 knots. At cruise speed, the underwater endurance is 6 hours. Her 6.5-meter draft will also allow her to be docked quayside when not in use. 

U-Boat Worx also confirmed an impressive delivery time of within 30 months from the client's initial order.

To learn more about U-Boat Worx superyacht concept Nautilus , or renting a yacht with a personal submarine , please reach out to your preferred yacht charter broker for more information.

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This Insane Superyacht-Submarine Hybrid Looks Like a Lavish Underwater Hotel Inside

The nautilus affords cinematic views of the world beneath the waves., rachel cormack.

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U-Boat Worx blew us away with a bonkers superyacht-submarine concept late last year. Now it’s doubling down on the insanity.

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Christened the Nautilus, the 123-footer is designed to serve as both a private yacht and a fully functional sub. It is equipped with a diesel-electric propulsion system that allows it to cruise across the ocean at speeds of up to nine knots or travel underwater at four knots. The 1,250-ton hybrid can dive to 656 feet and cover some 3,200 nautical miles, according to U-Boat Worx. It will be able to stay underwater for up to four days, but can only cruise beneath the waves for six hours at a time.

“Our goal has always been to share the wonders of the underwater world with people in the safest, most luxurious, and comfortable way possible,” U-Boat Worx CEO Bert Houtman said in a statement. “The Nautilus is the realization of that vision.”

Above or below the water, the Nautilus is designed to keep seafarers in the lap of luxury. The living quarters are outfitted with comfy, contemporary furnishings and large circular windows that afford incredible ocean vistas. The decor also seems to have a slight retrofuturistic bent, with curved lines and neon lights that feel very Jetsons .

The layout can be fully customized by the client, but the standard configuration includes a spacious saloon with a dining area, a fully equipped galley, one owner’s suite with a private bathroom, four staterooms, and cabins for up to six crew.

Other highlights include a mezzanine observation lounge that provides cinematic views of the marine life, a foredeck lounge that is perfect for cocktail hour, and a high-tech gym that’s stocked with all the requisite gear.

“We invite you to come and experience the thrill of underwater exploration for yourself, on board this one-of-a-kind vessel,” Houtman adds.

Up for the challenge? U-Boat Worx says the Nautilus can be delivered within 30 months and starts at roughly $24.5 million (€25 million).

Click here to see all the photos of U-Boat Worx’s Nautilus concept.

Rachel Cormack is a digital editor at Robb Report. She cut her teeth writing for HuffPost, Concrete Playground, and several other online publications in Australia, before moving to New York at the…

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Luxury submersible yacht ‘NAUTILUS’ unveiled by U-Boat Worx at the Monaco Yacht Show 2022

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Written by Rachael Steele

At the Monaco Yacht Show 2022, Dutch shipyard U-Boat Worx unveiled ready-to-construct concept designs for a 37.5m/123ft luxury submarine yacht: ‘NAUTILUS’.

Luxury submarine yacht Nautilus Blue 3qrt Back Tender

Submersible yacht concepts have been created before, however, none have made the leap from an idea into reality. U-Boat Worx intends to be the first, using the company’s experience in creating small submersibles to engineer and launch a fully certified submersible with all the comfort and indulgences expected aboard a yacht.

Luxury submersible yacht NAUTILUS top view

Submersible motor yacht NAUTILUS runs on diesel-electric power and can reach a depth of up to 200m/656ft, with 10 windows 4m/13ft wide giving a unique view of the underwater world – perfect for guests who cannot dive into such depths yet still want to see the wonders of destinations such as the Red Sea , the South Pacific and the Caribbean .

Nautilus Luxury submersible yacht profile

An added advantage of underwater capabilities means no more seasickness: In rough seas, NAUTILUS can simply dive below the surface and continue the journey in comfort. The NAUTILUS has a surface speed of 9 knots and an underwater speed of 4 knots. She can stay under the waves for up to four days, or for a total of six hours while cruising.

Above water, guests have access to alfresco facilities including a sundeck, bar, pool, dining, lounging and sunbathing facilities. All of this is retracted before going underwater.

Nautilus – Luxury submersible yacht

A pressure-resistant electrical tender (named ‘ARONNAX’) is stored under the aft deck and will remain outside while diving. ARONNAX can be used for transporting up to five Scuba divers underwater, to and from their destination.

The interior layout is fully customisable; however, the standard layout offers a 50m²/538ft² lounge and dining area, galley, plus guest accommodation over 5 cabins: 1 Master suite and 4 further guest cabins. The crew accommodation provides for 6.

The price for a NAUTILUS of your own starts at €25 million, and once commissioned, her Owner can expect to receive her within 30 months.

Please contact CharterWorld - the luxury yacht charter specialist - for more on superyacht news item "Luxury submersible yacht ‘NAUTILUS’ unveiled by U-Boat Worx at the Monaco Yacht Show 2022".

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half-yacht, half-submarine 'nautilus' by u-boat worx exudes lush living above & under the sea

U-boat worx designs diesel-electric superyacht ‘nautilus’.

There’s a new opulent water vehicle in town and it goes by the name ‘Nautilus’. Maker U-Boat Worx takes a step toward luxury above and underwater with the design of its diesel-electric superyacht . Half-steeped in the sea, the upper deck remains open and roomy for sightseeing far from land.

Heading down, the submerged body of the vessel enjoys large round windows that afford the view of the marine species and oceanic life. Amidst these wonders gracing the design, Nautilus seems to hone in on exquisite affluence, drawn from the interior of the superyacht that revels in a five-star-hotel atmosphere.

Exploring Nautilus with Officina Armare

Working with design studio Officina Armare for visualization and interior design, U-Boat Worx canopies its passengers in a cavernous part-residential, part-watercraft expedition. Two-level decks separate the sunken vessel with the main deck taking its influence from the chalets found in the Alps.

The area is designed to offer cozy spaces regardless of the time of the year with comfortable low-profile seating that provides a good view for observation and lounging also with groups of people. The seating itself may already be turned into bed spaces with its influx of curved and bent shapes that allow for quick naps.

The second level, named Maindeck Sunken Lounge, is designed 25 centimeters lower than the main deck level. Lounge mattresses are placed in front of the round window structures to instill a sense of natural entertainment right before the passengers’ very own eyes (although a pop-up TV screen is present in this space, nestled between the windows). In the observation mode, the TV is hidden and courtesy lights are synchronized with life underwater.

Nautilus carves its own observatory under the sea. Inside the Mezzanine Observation Lounge, U-Boat Worx and Officina Armare hammer out a circular, flowy glass above and in front of the passengers’ heads that peer through the scenic seascape outside. A C-shaped sofa brushing against a couple of leather armchairs gathers people together to bear witness to the marine life unfolding outside and the lap of luxury being served inside.

The sleeping areas are holed up on the lower foredeck and accessed from the grand staircase. Here, rich colors converge with the refined, glossy visuals of the surroundings, starting with the golden light that the rods by the headboard emit. The floor is only half-covered in a silky white carpet to make way for the glass areas. The Master cabin has an en suite bathroom with a bathtub and walk-in wardrobe directly accessed from inside the cabin.

Inspired by Jules Verne’s classic novel

As U-Boat Worx states, Nautilus is rooted in Jules Verne’s classic novel, ‘Twenty Thousand Leagues Under the Sea’ where  Captain Nemo and his submarine, the Nautilus, embark on a journey beneath the seas. While its conception is still yet to unravel, the submersible superyacht is foreseen to have a depth rating of 200 meters, with a surface cruise speed of 9 knots and an underwater speed of 4 knots.

When functioning as a yacht, the part that is not steeped in the sea, the Nautilus offers a massive sundeck equipped with a freshwater pool, a bar, and a luxurious dining table. The privately-operated submarine hopes to carry up to 10 passengers, excluding crew, in a fully conditioned environment to a depth of 150 meters, and thanks to the abundant power supply, the Nautilus can stay submerged for up to 18 hours with 10 guests. 

Nautilus by U-Boat Worx

project info:

name: Nautilus

company: U-Boat Worx

visualization: Officina Armare

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A Superyacht Submarine Debuts in Monaco

• By Yachting Staff
• November 10, 2022

At the Monaco Yacht Show , U-Boat Worx unveiled its Nautilus design, a 123-foot, 1,250-ton vessel that the company says can function as a yacht or a submersible that uses diesel-electric power down to about 650 feet below sea level.

Cruising speed is projected to be 9 knots for the Nautilus, with an underwater speed of 4 knots.

Guest spaces include a bar, pool, lounge, dining room, five guest staterooms, quarters for six crew and a galley. The entire sundeck gets retracted before the vessel goes into submersible mode. The design also includes 10 windows, each more than 13 feet wide, for views of the underwater world.

A pressure-resistant tender, the Aronnax, can be used to take as many as five divers to a scuba location away from the mothership.

According to U-Boat Worx, this “superyacht submarine” will be able to stay underwater for as long as four days. At cruise speed, it can stay underwater for six hours.

What’s the asking price to build the first Nautilus? It’s about $24.5 million. U-Boat Worx says it can deliver the Nautilus within 30 months of a contract being signed.

Take the next step: go to uboatworx.com

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U-Boat Worx Innovates In the Submersible Space With a 123-Foot SuperYacht-Submarine

By: Tim Huber Published: Oct 03, 2022

Since its inception in 2005, Dutch outfit U-Boat Worx has unequivocally been one of, if not the single biggest innovator and market leader in the private and recreational submersibles market. Despite the fact the Breda-based brand already offers some 20 different models — including the lightest personal sub, the fastest submersible on the market, and a submarine capable of accommodating up to 120 passengers, all of which debuted in the last year alone — it’s now unveiled what’s almost certainly its most noteworthy release to date with what’s been christened the Nautilus — a 123’ superyacht-submersible hybrid vessel  capable of cruising atop the waves or diving deep below them.

Configurable with a variety of custom layouts, the Nautilus has been outfitted with a 215-square foot galley and a 538 square foot dinner and lounge area lined with massive circular windows, plus four bathrooms, four staterooms, and a master suite — enough space to comfortably accommodate up to ten passengers along with seven crew members. When operating above the water, passengers on the Nautilus can bask in the sun while topside on its enormous 635-square-foot upper deck which includes a freshwater pool, a bar, and a luxurious al fresco dining table area. A solar panel-equipped upper deck roof provides shade while atop the waves and folds down to protect the bar area when diving while an elevator also transports passengers from the upper to lower floors. 

Constructed around a custom-designed steel hull, the Nautilus also boasts a 25.26’ beam, a 21.3’ draft, and stands at 23’ tall. The submersible superyacht is propelled by a diesel-electric powertrain that affords an underwater speed of 4 knots and a cruising speed of 9 knots. Able to remain below the waves for up to four days at a time, this hybrid vessel also features a depth rating of 656’ and a range of 3,200 nautical miles. The ship also comes loaded with what U-Boat Worx has dubbed the Aronnax — a deployable, completely pressure-resistant electrical tender boat that integrates into the Nautilus’ aft deck when not in use. 

Available for order now with a 30-month build time, the U-Boat Worx Nautilus Yacht Submarine carries a starting price of €25,000,000 (~ $24,490,000). 

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Nautilus: The submersible superyacht by U-Boat Worx, interior design and visusalisation by Officina Armare.

The diesel-electric yacht submarine Nautilus has a depth rating of 200 meters, with a surface cruise speed of 9 knots and an underwater speed of 4 knots. When functioning as a yacht, the Nautilus will offer a massive sundeck equipped with a freshwater pool, a bar, and a luxurious dining table. This al fresco arrangement will be retracted before the submersible slips below sea level. The Nautilus presents a new class of exceptionally spacious privately-operated submarine that can carry up to 10 passengers (excluding crew) in a fully conditioned environment to a depth of 150 meters. Thanks to the abundant power supply, the Nautilus can stay submerged for up to 18 hours with 10 guests. The interior features a 50 m2 dinner and lounge area with four circular windows each with diameters close to 4 meters, a master stateroom and four guest rooms, as well as sleeping quarters for up to six crew, a gym and a fully equipped galley. 

Forward Lounge

The  interior concept is mainly focusing on ‘keeping passengers connected to the land underwater’ by the design, use of materials and layout as the submarine is engineered to spend quite a long time underwater.

Foredeck Lounge is dark enough to keep the main focus on the underwater at the same time lively and warm enough to provide comfort at home on land despite the cold water surrounding it. One of the main inspiration for that space was the chalets from the Alps as they are designed to offer cozy spaces during the snowy cold winters. Comfortable low profile seating is preferred in order to provide a good view for observation and lounging also with group of people.

Sunken Lounge

Maindeck Sunken Lounge is designed 25cm’s lower than the main deck level. Provides better visibility to outside as it’s lower with a custom designed furniture. Lounge mattresses are placed on the window structure in order to create an extra functional space that could be used for reading and such activities. In this space a pop up TV screen is used in between the windows. In the observation mode, Tv is hidden and courtesy lights are synchronised with life underwater. Since the bar is located at the back, there’s direct and easy access to drinks, snacks.

Dining Area is located on the main deck front of a window with a breathtaking views, large enough to accommodate 10 people. Food is served directly from the galley on the main deck. Low-back armchairs and used floor lamps as they bring feel of dining at a larger space.

Mezzanine Observation Lounge is accessed from the grand staircase. Besides it’s observation function, it has a more private feeling and quite a good area for conducting business and meetings.

Owners Stateroom

Owners Stateroom is located on the lower foredeck and accessed from the grand staircase. Color scheme here is darker as it’s located at the lowest level of the submerine. Parametric walls turn into seating area on both sides with darker colors and smoother shapes as it goes ‘deeper into water’. Master cabin has an en suite bathroom with a bathtub and walk-in wardrobe directly accessed from inside the cabin.

Amenities (Gym & Bar)

Gym Area is located right next to elevator & staircase. The space is very dynamic because of it’s function and it’s shape. We used dynamic courtesy lights, open-access water fridge, Technogym equipment and Bang Olufsen sound system.

The   Bar on the other hand  is an exceptional place to hang out inside  the  submarine, located on  the main deck right next to a window to underwater. The   bar stand is designed as carved wood and dark colors are preffered for this space in order to make the  view and  the  drinks stand out.

Guest Cabins are located on the main deck corridor. Provides an exceptional headroom and space to guests. Beds directly placed in front of the window. Room is featuring a work desk, a wardrobe and a lounge mattress on the window structure.

Guest Bathroom

Guest Bathrooms are carefully placed on the structure areas in between the windows, providing an exceptional head room and comfort with stand-up shower.

Elevator & Staircase

 Elevator and staircase area is designed to give the  first impression to users as if  the y are at  the  bottom of  the  ocean by featuring a round LED display on  the  ground. Carbon fiber is used for  the  staircase structure and wall supports.

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NAUTILUS for sale

The U-Boat Worx Nautilus is the world’s first superyacht submarine. At 42m in length, this incredible hybrid-electrical sub offers deep-sea exploration to a depth of 150m.

Designed to deliver the superyacht lifestyle above the waves as well as below, in surface cruising mode the Nautilus features a sun deck with freshwater pool, bar counter and al fresco dining area, as well as an impressive beach club. In an innovative feat of engineering, the sun deck is retracted before the Nautilus dives. There’s accommodation for up to 10 guests with a master suite and four guest cabins, all of which are ensuite and each benefitting from their own porthole picture-window. Separate quarters are provided for a crew of seven.

The Nautilus is presented to market with an interior by Officina Amare. Understandably, the ocean has been the source of inspiration for the interior styling and the arrangement centres around the 10 circular viewports, which a diameter of almost 4m. A mezzanine observation lounge provides panoramic views whether above or below the water’s surface, while the main deck and foredeck lounges offer relaxed seating and AV/IT entertainment. The saloon is the central hub aboard the Nautilus and is intended as the main communal space for passengers to convene.

The interior can be fully customised and alternative layouts are available. An air filtration system delivers fresh air to the interior and there’s full climate control. This state-of-the-art submarine is constructed in steel and offers a surface speed of 9 knots or 4 knots when submerged, with a range of 3,200 nautical miles. Equipped with a sonar system and underwater cameras, the Nautilus will bring you face-to-face encounters with marine life and complete underwater freedom in total safety. Designed, engineered, and built by the most competent and experienced company in this field, the Nautilus presents a buyer an exceptional opportunity and a chance to achieve a number of world firsts. The Nautilus is a true technological marvel.  It’s not just a means of transportation but an exploration vessel, built to take you on adventures around the world and under the waves. Dive in.

Specifications

• Name: NAUTILUS
• Yacht Type: Motor Yacht
• Builder: U-Boat Worx
• Length Overall: 42 metres
• Beam: 7.7 metres
• Max Draught: 5.5 metres
• Gross Tonnage: 1610

Construction

Performance & capacities.

• Max Speed: 9 kn
• Cruising Speed: 7 kn
• Range: 3200 nm

Accommodation

• Passenger Rooms: 5

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U-Boat Worx has released the interior design for the Nautilus Yacht Submarine, created in partnership with world-renowned design firm, Officina Armare.

The Nautilus serves as both a private yacht and a fully functional submarine, capable of diving up to 150 meters and covering a range of 3,200 nautical miles.

The superyacht submarine is the ultimate blend of technology and luxury, and its interior is no exception. With a focus on comfort and contemporary style, Officina Armare has created a spectacular space that seamlessly integrates cutting-edge technology with elegant design elements.

The Nautilus features spacious, beautifully appointed guest rooms, a stunning master cabin with private en-suite, and a Mezzanine Observation Lounge that provides panoramic views of the underwater world. The central space – the Saloon – is the perfect place to relax, entertain, or work.

The main deck lounge and foredeck lounge are also ideal spots for guests to unwind and enjoy a drink while floating and cruising at the surface.

The Nautilus is equipped with a state-of-the-art gym complete with a treadmill, a stationary bike, and weights, while its sundeck features a bar and Jacuzzi.

The diesel-electric propulsion system and lithium battery system ensure maximum efficiency. The Nautilus has been designed to explore the most exclusive and remote destinations on Earth, making it the ultimate adventure vessel. Inspired by Jules Verne’s classic novel, “Twenty Thousand Leagues Under the Sea,” the Nautilus is a masterpiece of engineering and design.

According to Bert Houtman, CEO of U-Boat Worx, ” The Nautilus embodies the ultimate combination of luxury and innovation. Our collaboration with Officina Armare has resulted in a truly exceptional vessel. Our goal has always been to share the wonders of the underwater world with people in the safest, most luxurious and comfortable way possible. The Nautilus is the realisation of that vision. We invite you to come and experience the thrill of underwater exploration for yourself, on board this one-of-a-kind vessel.”

• Nautilus Yacht Submarine
• U-Boat Worx

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U-Boat Worx unveils the Nautilus underwater superyacht at the Monaco Yacht Show

At the 2022 Monaco Yacht Show the Dutch builder  U-Boat Worx  will review designs for the 1,250-ton, 37.5-meter Yacht Submarine, the  Nautilus . Once it is built, the vessel will be equally at ease functioning as a yacht or a submersible. Since Jules Verne’s  20,000 Leagues Under the Sea  came out in 1870, people have been dreaming of a luxury yacht with dive capabilities. Since then, inventors produced a lot of impressive concepts. Unfortunately, not one of these designs has ever been realised.

Being the world leader in the market for small submersibles, U-Boat Worx has now finally succeeded in engineering a realistic combination of luxury and safety in a fully certified private submersible. The diesel-electric  Nautilus  has a depth rating of 200 meters, with a surface cruise speed of 9 knots and an underwater speed of 4 knots. Once ordered, an owner can expect to have their Nautilus delivered within 30 months. When functioning as a boat, the  Nautilus  offers a massive sundeck equipped with a freshwater pool, a bar, and a luxurious dining table. This al fresco arrangement is retracted before the submersible slips below sea level.

A newly invented, completely pressure-resistant electrical tender is stowed under the  Nautilus’s  aft deck and will stay outside while diving. This tender, the Aronnax, may also be used for transporting five scuba divers underwater to the intended dive spot.

The  Nautilus  interior features a 50 sq. m dinner and lounge area with four circular windows. Each with diameters close to 4 meters. The proposed design for the submarine has a master bedroom and four staterooms, as well as sleeping quarters for up to six crew. A fully equipped galley makes cooking an underwater meal simple and fun. However, interior layouts are fully customisable by the client.

The superyacht submarine will be able to stay under water for up to four days. At cruise speed, the underwater endurance is six hours.

When not in use, the Nautilus can be docked at any quay that can accommodate its 6.5-meter draft.

The  Nautilus  has a starting price of € 25 million.

“People that have decided to buy a yacht will now have to consider if their vessel of choice can also dive down to 200 meters,”  says  U-Boat Worx Chairman and Founder Bert Houtman .

As an added bonus, the Nautilus easily combats seasickness.  “If the sea becomes too rough,”  says  Houtman ,  “You simply dive and continue your voyage in comfort. With the Nautilus, the yachting market will never be the same again.”