# 5 Octopus

# Length: 414 ft • 126.2 m
# Launch: 2003
# Builder: Lürssen
# Architect: Espen Øino
# Engines: 8 x 2400 hp Mercedes Benz
# Notes: Octopus is currently the world’s fourth largest superyacht and the second largest not owned by heads of state. Recording studio, two helicopter pads, glass-bottomed lounge. A 118-foot marina dock accommodates a 59-foot boat and 39-foot submarine.
# Owner: Paul Gardner Allen born January 21, 1953 in Seattle, Washington. Allen is an American entrepreneur who formed Microsoft with Bill Gates and also owns 2 other superyachts, Tatoosh and Meduse.