The Migaloo luxury submarine is a 377-foot (115-metre), six-deck yacht-submarine hybrid that has never been built. Austrian studio Motion Code: Blue designed it as a concept, and as of October 2026 we found no report of a builder or launch.
| Key fact | Detail |
|---|---|
| Designer | Motion Code: Blue |
| Length | 377 feet (about 115 metres) |
| Decks | Six |
| Claimed dive depth | 787 feet |
| Status | Concept only, no price published |
What is the Migaloo luxury submarine?
Migaloo is named after an albino humpback whale. The idea is a private yacht that can also dive, made for adventurous billionaires who want something no one else owns. The design firm is Motion Code: Blue, and it could become real if a buyer steps up.
On board
The plans list a cinema room, helipad, gym, library, laundry room, private lounges and 8 VIP suites. On deck there is a beach club with a pool, a bar and plenty of space to sunbathe. Underwater lights and pressure-proof glass would offer views when the vessel dives, and the outdoor party areas would be covered over for a dive of 787 feet.
Estimated cost
No price has been announced. For scale, compare a US Navy Virginia-class attack submarine: the early boats are also about 377 feet long, and the Navy’s own planning put a recent Block V boat at roughly $4.5 billion each at two boats a year (Congressional Research Service, 2025). Migaloo has no weapons and a much shallower dive, so we would expect it to cost far less, but a build of this size would still be a very large yard project. Treat that as our estimate.
Why it matters in the luxury world
Superyachts keep getting bigger, and a submersible hull is the logical next step for the owner who has everything. It is also why the concept keeps resurfacing years after its debut.
Keep reading
- The world’s most expensive yachts ever built: the real boats Migaloo would compete with
FAQ
Has the Migaloo luxury submarine been built?
No. As of October 2026 we found no report of a shipyard contract, launch or delivery. Migaloo remains a design concept.
Who designed Migaloo?
Motion Code: Blue, an Austrian design studio, which described it as a private submersible yacht.
How big is Migaloo?
The concept is about 377 feet (115 metres) long over six decks, with a claimed dive depth of 787 feet.
How much would Migaloo cost?
No price has been published. Our estimate is that a build of this size would run well into the hundreds of millions of dollars, but that is an estimate, not a quote.
Where does the name Migaloo come from?
It is named after an albino humpback whale.
Last updated: October 2026.
This article was originally written by Irina, who blogs at I’m a puma.
