Migaloo The World’s Most Luxurious Submersible Superyacht

The Migaloo Private Submersible Superyacht can include helipads, movie theaters, and swimming pools yet adheres to strict safety codes designed by the U.S. Navy.

Should yacht owners want to put everyone at a port to shame, they should consider arriving on the Migaloo Private Submersible Yacht. A concept yacht was created by Migaloo, an Austrian design and engineering firm in partnership with Starkad Technologies from Estonia. The line of luxury superyachts offers a range of bespoke underwater crafts that vary in size. After ‘sailing’ the new Migaloo submersible yacht on the water, owners can close up the decks and turn the vessel into a fully operational submarine.

“What we are attempting to do is to create a living space where exterior and interior interact in harmony,” says Christian Gumpold, managing director and head of design at Migaloo. With rooms that open to the ocean for dining alfresco while above water and large viewing galleries for taking in the marine life when submerged, the Migaloo creates that harmony. What’s more, the firm reaffirms its focus on luxury with optional amenities that include helipads, swimming pools, movie theatres, elevators, wine cellars, libraries, and terraces.

Of course, safety is a major focal point as well. Each superyacht will be built to U.S. Navy SUBSAFE safety standards, which ensure that the interiors will stay watertight and the vessel can recover from unanticipated flooding. According to Migaloo, solitude is a major point of interest for yacht owners, which is why the ability to dive beneath the surface and out of view might have great appeal. “Privacy is a big issue on superyachts,” says Gumpold, “our answer to this concern is simply submerging the vessel into complete privacy.” Great advantages include security from piracy in the high seas and when the sea gets too rough, you can submerge for a smooth ride. 

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Migaloo Submersible Superyacht Spec



The M7 is the world’s largest submersible superyacht design. The styling is inspired by modern Zumwalt-class destroyers. GA and layout according to the owner’s wishes.

  • Private owner’s area (for example): ~ 2100 sqm
  • VIP/guest area in total (for example): ~ 1000 sqm
  • VIP/guest accommodation area (for example): ~ 400 sqm
  • 6 Dry hangars for surface tender, air-tender, mini-subs & toys
  • Various UUVs & AUVs


  • Length overall (LOA): 225 M -283 M
  • Beam: 32 M, Draught: 13.6 M
  • Speed: 35-40 kn on the surface, 20 kn underwater
  • hybrid diesel-electric drive
  • 4 diesel gensets
  • 2 gas turbines
  • 4 HTS propulsion motors
  • 8-10 Stirling gensets
  • Lead acid batteries 

Technical development by Starkad Technologies OÜ

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