Ultima III: The Yacht
Spotted by: Withstand the Fury Dragon
Built in 1998 for Revlon owner Ronald Perelman, and named to continue the Ultima and Ultima II product line, this 188-foot multi-level yacht was valued at 50 million Euros when it was put up for sale in 2009. It boastd a maximum speed of 16 knots.
Who it was ultimately sold to, and what its current state is, is unknown.
(Image source: Agent4Stars)