While Gates has neither confirmed nor denied his involvement with the project, industry insiders say the yacht was built to his specifications

Bill Gates’ secret ultra-luxury yacht to list for $645M — and he’s never set foot aboard

By News on the Net -- New York Post——Bio and Archives--July 31, 2025

A 390-foot superyacht designed to run entirely on liquid hydrogen is poised to make waves at the upcoming Monaco Yacht Show — where it will be listed for sale with a whopping $645 million price tag.

Though never publicly confirmed by Microsoft co-founder Bill Gates, the vessel — named “Breakthrough” and also known as “Project 821” — has long been linked to the billionaire. ---More...

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