The world 's largest privately owned super - yacht is Dubai , which is 300 feet long . Some super - boats boast pools , helipads , Jacuzzis and submarines . Roman Abramovich is rumored to be building a new boat -- with two decks . You wo n't want to think about how much Eclipse is going to cost , however , because Dubai , the world 's current biggest yacht is reportedly worth well over $ 300 million . The Fort Lauderdale Boat Show gets underway at the end of October .
The world 's largest privately owned super - yacht is Dubai , which is 300 feet long . Some super - boats boast pools , helipads , Jacuzzis and submarines . Roman Abramovich is rumored to be building a new boat -- with two decks . The Fort Lauderdale Boat Show gets underway at the end of October .