Here is the list of top 10 most expensive yacht in the world 2015/2016. These are some of the most luxurious and lavish vessels used by some of the richest . Top 10 World's Largest Yachts 2015 Top 10 Largest Yachts In The World 2015 10 Largest Yachts In The World Ten of the biggest and most expensive . This is the top 10 largest, biggest, greatest, and most expensive yachts. Who has the biggest yacht? What is the most expensive yacht? Watch more to find out! We've already brought you the 25 most insane concept yachts on Earth. Unfortunately, however, you won't see too many of those on the water…they're just .