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Cargo Ship Transformed Into Unique Submersible Yacht
20 Apr
Summary
- The vessel can reportedly submerge up to 70 percent of its structure.
- A $40 million transformation turned the cargo ship into a unique yacht.
- It functions as a private floating marina for launching other craft.

Originally launched in 1982 as a Japanese-built semi-submersible heavy-lift transport vessel, OK has undergone a remarkable transformation. After a three-year, $40 million renovation, this massive vessel has been reborn as an ambitious and unique superyacht.
The yacht's most striking feature is its ability to submerge nearly 70 percent of its structure. This capability allows for the easy loading and launching of smaller craft, tenders, and even seaplanes, effectively creating a private floating marina.
Measuring approximately 480 feet (146 meters) in length, OK offers over 3,300 square meters (35,500+ square feet) of open deck space. It is designed to cater to billionaires seeking unparalleled luxury and a unique experience beyond traditional status symbols.
The design philosophy, aiming to create the feeling of being on an undiscovered island, results in a vessel that is more akin to a private mobile territory than a conventional yacht. Its industrial past is evident, yet it provides spectacle and extreme luxury.