Coral World Marine Park and Underwater Observatory 6450 Coki Point 340/775-1555 A marine complex that features a three-story underwater observation tower 100 feet offshore. It's a 20-minute drive from Charlotte Amalie off Route 38. Inside, you'll see sponges, fish, coral, and other aquatic creatures in their natural state through picture windows.

Marine Gardens Aquarium Part of Coral World Marine Park; Daily from 9 - 5:30 Admission charged. Saltwater tanks display everything from sea horses to sea urchins. An 80,000-gallon reef tank features exotic marine life of the Caribbean; another tank is devoted to sea predators, with circling sharks and giant moray eels. Activities include daily fish and shark feedings and exotic bird shows. The latest addition to the park is a semisubmarine that lets you enjoy the panoramic view and the "down under" feeling of a submarine without truly submerging.

Coral World's guests can take advantage of adjacent Coki Beach for snorkel rental, scuba lessons, or swimming and relaxing. Lockers and showers are available. Also included in the marine park are the Tropical Terrace Restaurant, duty-free shops, and a nature trail.