The world 's largest privately owned super-yacht is Dubai , which is 160m long . Other super-yachts featured in the gallery are Australian businessman James Packer 's Arctic P , and a French-owned yacht which French President Nicolas Sarkozy has spent time enjoying on vacation . Some super-yachts boast pools , helipads , Jacuzzis and submarines . Roman Abramovich is rumored to be building a new boat -- with two helipads . Comment:
The world 's largest privately owned super-yacht is Dubai , which is 160m long . Some super-yachts boast pools , helipads , Jacuzzis and submarines . Roman Abramovich is rumored to be building a new boat -- with two helipads . Comment: