9 outrageous yachts appearing at the Monaco Yacht Show owned by some of the world's richest billionaires

Owner: Steve Wynn

Net worth: $3 billion

Steve Wynn, cofounder of Wynn Resorts, built his wealth creating casinos and hotels throughout Las Vegas and spent some of it purchasing the yacht Aquarius. At 301 feet, she has a massage room, helipad, beauty salon, swimming pool, and beach club.

Owner: Dmitry Rybolovlev

Net worth: $6.8 billion

With a $6 billion-plus fortune from Uralkali, a Russian producer of potassium fertilizer, Dmitry Rybolvlev owns a Greek Island — which he can visit via the yacht he reportedly owns, Anna I. At nearly 220 feet, the yacht boasts a skylounge with a movie screen, a dip pool, and a steam room. She charters for half a million a week during the winter.

Owner: Shahid Khan

Net worth: $7.8 billion

Motor yacht Kismet, with a weekly charter rate of around $1.29 million, has had a lot of celebrity guests step aboard. Not only is it owned by billionaire Shahid Khan — who also owns Fulham football club and the Jacksonville Jaguars — it's also been chartered by Beyoncé and Jay-Z. She has a multi-level swimming pool, basketball court, and helipad.