One of the 10 Most Expensive yachts in the world ~Live The Good Life - All about Wealth & Luxury Lifestyle. A superyacht - $ 323 million A name not very original " Superyacht A ", but a design that is much more! This super yacht was inspired by a submarine war and was designed by the agency Blohm + Voss in Hamburg. It is the couple Russian billionaire Andrey Melnichenko and Aleksandra. This boat includes a VIP room of 250m2 and a nightclub.