St. Pete, FL - Are you 55 or older? If so, the Tradewinds Casino Cruise at John's Pass is looking to get you on board. Combine the feel of Las Vegas with the luxury of a cruise ship by hopping aboard a floating casino from one of several ports near Clearwater, Florida. Choose. The Ocean Jewel of St. Petersburg is a foot, eight-deck gambling vessel. Besides a casino, the ship will feature restaurants, shops, a sports bar, a dance.