Octopus is currently the world’s eighth largest super yacht, owned by Paul Allen. Octopus was launched by Microsoft’s “accidental billionaire” Paul Allen – worth US$20 billion according to Forbes, the third richest man in America and 7th in the world in 2003. It is the second largest super yacht that is not owned by a head of state. It has two helicopters, seven boats, a 10-man submarine and a remote controlled vehicle for crawling on the Ocean floor. The submarine has the capacity to sleep eight for up to two weeks underwater.