Owner: Paul Allen, Co-founder Microsoft
Estimated Cost: $200 million
This 414-foot yacht even has its own Wikipedia page. The Octopus is large enough to hold two helicopters, a pool, and seven boats. Upkeep for the luxury boat isn't cheap. Billionaire
Allen reportedly spends $20 million each year to staff and maintain Octopus' facilities.
By Sierra Jiminez, reporter - Last updated May 25 2012: 9:48 AM ET