Some think it looks like a submarine, others a WWI-era battleship. Whatever your take, the boat gets people talking.

"I can say that this, by far, is the most iconic and stylishly distinctive yacht on the water," said Ben Roberts, editor-in-chief at Superyachts.com. "A definite winner in the category."

Quiz: What super rich celebrity do you spend like?

Designed by Philippe Starck, A is one of the most expensive yachts on the water -- Wealth-X estimates it cost $323 million. The bathroom faucets alone are said to cost $40,000.

A is owned by Russian billionaire Andrey Melnichenko. It's named after his wife, Aleksandra.