Besides the two helicopters she has seven boats, a 10 man submarine ... Paul Allen who is rated the third richest US citizen and seventh at world level according to Forbes has two other super ...

Tatoosh, a 300-foot yacht owned by billionaire Microsoft co-founder Paul Allen, allegedly did some serious damage to a coral reef in the Cayman Islands, according to the Cayman News Service.

Megayachts belonging to tech billionaires like Larry Ellison, Mark Cuban, and Paul Allen are among ... landing pads and submarines nestled inside. We've ranked the biggest yachts owned by ...