Plan to partake in some St Croix water sports activities to maximize your Caribbean vacation. St. Croix’s calm, crystal clear waters are perfect for playing, and you’ve got plenty of options to enjoy the water your way. If you’re not snorkeling, diving or sailing, there are plenty of other water sports activities. Stand-up paddle boarding (SUP) is the fastest growing water sport in the U.S. Plus, it’s easy and fun for beginners to try. Looking for an adrenaline rush? Try harnessing the power of water on a fly board, or fill your need for speed with a Jet-Ski ride. Beach chair, umbrellas and other rentals are available if you just want to relax and watch others have their fun.