If you don't have a chance to see the island's underwater life firsthand, consider a visit to the park, which includes an underwater observation tower, tropical nature trail, marine gardens aquarium, several touch displays and an 80,000-gallon coral reef tank. The Predator Tank is stocked with sharks, barracudas and rays. Try one of the park's most popular attractions, Sea Trekkin': Don a large helmet with air hose attached, descend a ladder to the ocean floor, and walk through coral and curious fish. Daily 9 am-5 pm. US$18 adults, US$9 children ages 3-12, US$52 families (2 adults and up to 4 children). Sea Trekkin' costs an additional US$68 adults, US$65 children older than age 8 (who must weigh at least 80 lb/36 kg). Coki Point (a 20-minute drive from Charlotte Amalie), St. Thomas. Phone 340-775-1555. http://www.coralworldvi.com.
