#3. Dubai – $350 million

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Built for princes and sheiks, the Dubai yacht has been called a floating city with its huge seven decks, a helipad, squash room, a small submarine, swimming pool, spa and basically anything a person would desire.

This yacht is currently owned by the Mohamed bin Rashid Al Maktoum, Sheikh of the emirate of Dubai. When it was launched by Blohm + Voss in 2006 it was the most expensive yacht in the world. It is the third-largest private yacht in the world at 524 feet.