St. CroixSaint Croix is the largest of the four U. S. Virgin Islands in the Caribbean Sea. Ringed by beaches of all shapes and sizes, white sand, turquoise waters St. Croix diverse landscapes allow a wide array of activities for visitors. There are nearly three dozen beaches, from hot spots to more hidden gems. Snorkelers and scuba divers can explore an underwater trail and discover an assortment of sea life, from the protected coral reef to native flora and fauna, the hawksbill turtle and brown pelican. Explore historic sugarmills ruins, enjoy some of the best wall diving in the Caribbean, experience world-class restaurants and local flavors, hike through the subtropical rainforest, or kayak through the bioluminescent bay at night.