Nirvana (21 pics)
Nirvana costs more than $300 million. It was designed by Sam Sorgiovanni and built by Oceano. Nirvana is 290 feet (88 m) long. It can go up to 22 miles per hour (about 19.5 knots maximum speed). The yacht has a reptile room, on-board spa and fitness center, interior elevator, and helicopter pad.