Dive beneath St. Thomas's surface — literally — at Coral World Ocean Park's legendary Undersea Observatory, then wade into a lagoon for a private sea lion or sea turtle encounter. This is the Caribbean's premier marine education facility for those who want unforgettable wildlife intimacy.
What to expect
Perched on Coki Point, Coral World blends seamlessly with the natural reef just offshore. The Undersea Observatory descends 15 feet below the surface, offering a wraparound window onto a living coral world — no wetsuit, no fins. The Sea Trek walk descends further, placing you amid sergeant major fish and French grunts on the sandy bottom. In the encounter pools, knowledgeable marine educators guide you through a hands-on interaction with sea turtles or reef sharks, explaining conservation efforts and Caribbean marine biology with evident passion.
Good to know
Coki Point is a USD 10–15 taxi ride from the cruise piers. Book Sea Trek and encounter add-ons directly on the Coral World website well ahead — slots are strictly limited. Allow 3–4 hours for a full experience; add Coki Beach next door (one of St. Thomas's most colourful snorkel beaches) for a perfect half-day.