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Boating, snorkeling and diving on St. Thomas

About the island: the St. Thomas guide

Yellow, teal-roofed Urman Victor Fredericks Marine Terminal on the Red Hook waterfront, seen from an arriving ferry, with homes on the green hillside aboveArea photo

Aqua Action Dive Center

Last verified October 29, 2026

Aqua Action Dive Center is a dive shop and boat charter operator at Secret Harbour on St. Thomas, with an Estate Nazareth address.

Red Hook, St. Thomas. Photo: Smallbones, CC0

White geodesic dome of Coral World's Undersea Observatory Tower standing in the sea off Coki Point, joined to the shore by a footbridge

Coral World Ocean Park

Last verified October 29, 2026

Coral World Ocean Park is a marine park at Coki Point on St. Thomas that runs guided in-water programs alongside its exhibits.

Photo: Gruepig, CC BY-SA 4.0

Sailboats moored off the Frenchtown waterfront below a hillside of homes, seen under a stormy sky from the seaplane pier at the west end of the Charlotte Amalie waterfrontArea photo

Ocean Surfari

Last verified October 29, 2026

Ocean Surfari is a St. Thomas tour and charter company that runs guided Jeep Surfari tours in 4x4 vehicles for up to four passengers, along with snorkel and fishing charters. Its half-day St.

Frenchtown, St. Thomas. Photo: LittleT889, CC BY 4.0

Yellow, teal-roofed Urman Victor Fredericks Marine Terminal on the Red Hook waterfront, seen from an arriving ferry, with homes on the green hillside aboveArea photo

Red Hook Dive Center

Last verified October 29, 2026

Red Hook Dive Center is a dive shop at American Yacht Harbor in Red Hook, on the east end of St. Thomas. It runs two-tank dive trips for certified divers every day on its 42-foot powerboat, Fool's Gold, and…

Red Hook, St. Thomas. Photo: Smallbones, CC0

Clear turquoise water at Coki Beach with snorkelers offshore, the white dome of Coral World's observatory tower and Thatch Cay behindArea photo

Seas the Day Charters

Last verified October 29, 2026

Seas the Day Charters is a boat charter company on St. Thomas with an office at Red Hook. It runs private sailing catamaran charters for up to 12 guests, private captained powerboat charters to places such as…

Coki Point, St. Thomas. Photo: Gruepig, CC BY-SA 3.0

Sailboats moored on the turquoise water of Red Hook Bay, with red-roofed waterfront buildings, marina docks and green East End hills behindArea photo

Virgin Islands Ecotours

Last verified October 29, 2026

Virgin Islands Ecotours runs guided kayak, hiking and snorkel eco tours from its St. Thomas base on the Mangrove Lagoon, at an Estate Nadir address about a tenth of a mile east of the junction of Routes 30 and…

Red Hook, St. Thomas. Photo: Fred Hsu, CC BY-SA 3.0