NAUTILUS for sale

U-Boat Worx€37,000,000
42 m
9 kn
7.7 m

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.



  • Yacht Type:Motor Yacht
  • Builder:U-Boat Worx


  • Length Overall:42 metres
  • Beam:7.7 metres
  • Max Draught:5.5 metres
  • Gross Tonnage:1610


  • Builder:U-Boat Worx

Performance & Capacities

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


  • Guests:10
  • Passenger Rooms:5

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