No 1: Eclipse
Public Domain Image: Public Domain
Price tag: $1.2 billion
Owner: Roman Abramovich (Chelsea football club owner; Russian billionaire)
Length: 560 feet
This massive boat requires no less than 70 crew members to help maintain it. The Eclipse comes fully equipped with an aquarium, two helicopters, a mini submarine, two swimming pools, and a state of the art security system. The boat even has an anti-paparazzi system that prevents unwanted intruders from taking photos.