St. Croix Island Travel Guide, USVI. Vacation, Holiday, Honeymoon. if you are a diver you have likely heard of it! St. Croix is well known for wonderful dive opportunities. If you aren't a diver, you can take introductory classes while on vacation. Additional water sports your vacation to St. Croix might include are snorkeling, kayaking, fishing and boating. On land you can plan a game of golf, take an island tour, explore scenic forests by jeep, enjoy jazz at outdoor concerts, shop, dine, catch a crab race at a local bar, or a horse race at the track. You can fly directly to St. Croix, it has an airport. Taking a daytrip or better yet an overnight visit to St. Croix from St. Thomas is made possible by regular interisland air service and a ferry.