"Octopus" is believed to be the fourth largest yacht in the world only behind the ... club with M/Y Pelorus and M/Y Le Grand Bleu. Paul Allen who is rated the third richest US citizen and seventh ...

An curved arrow pointing right. Paul Allen's yacht allegedly did some serious damage to a coral reef in the Cayman Islands, according to the Cayman News Service. He's also the cofounder of Microsoft.