#9 Virgin founder Richard Branson owns a 105-foot catamaran called the "Necker Belle," which he regularly charters. Rates start at $80,000 a week.
#8 In 2011, Google cofounder Larry Page bought the 193-foot "Senses" yacht from New Zealand businessman Sir Douglas Myers for $45 million. The yacht was designed by Philippe Starck, has a helipad and jacuzzi, and can accommodate up to 10 guests and 14 crew members.
#7 Google chairman Eric Schmidt owns "Oasis," a 194-foot superyacht that he reportedly paid $72.3 million for in 2009. The yacht has plenty of amenities, including a pool, jet skis, and a gym that can be converted into a disco.
#5 IAC CEO Barry Diller and wife Diane von Furstenberg own the 271-foot "EOS," one of the largest sailing vessels in the world. "I'm sure I'll get hungry for doing another boat as well at some point, another stripe of another kind," he told Portfolio in 2007. "Once you're in boats, you either go bankrupt or you keep going."
#4 Oracle CEO Larry Ellison named his 288-foot "Musashi" yacht after a revered 16th-century Japanese warrior. The boat's amenities include two master suites and a basketball hoop.
#3 Mark Cuban's 288-foot "Fountainhead" yacht is the sister ship to Ellison's "Musashi." The two ships look nearly the same from the outside, though Cuban reportedly went for a more antique-inspired interior.