Sapphire Beach Marina is a scenic waterfront hub on St. Thomas, USVI, offering easy access to island hopping, snorkeling, and open-water adventures.
Sapphire Beach Marina sits on the eastern shore of St. Thomas in the U.S. Virgin Islands, where the calm waters of Smith Bay open toward a constellation of small cays and protected anchorages. The marina has long served as a favored departure point for boaters, snorkelers, and day-trippers drawn to the reefs and beaches scattered across this corner of the Caribbean.
From the docks, you can join boat tours heading toward nearby landmarks, or arrange snorkeling excursions to the vivid reefs surrounding the outer cays. The waters here are warm and clear year-round, and the marine life, including sea turtles, rays, and reef fish, rewards even casual snorkelers.
Just under a kilometer away, the American Yacht Harbor adds additional services and dining options for visitors spending extended time on the east end. The broader Smith Bay area has a quieter, more local feel than the cruise-ship bustle of Charlotte Amalie, which makes Sapphire Beach Marina a welcome retreat for travelers who prefer a relaxed pace.
For anyone looking to experience the best of the U.S. Virgin Islands by water, this marina offers an ideal and well-positioned base.
Visit early in the morning when the bay is glassy and boat traffic is light, giving you the clearest views of the surrounding cays.
Bring reef-safe sunscreen and a dry bag, as most excursions departing from the marina involve time in and around the water.
Try to time a sunset from the marina dock, where the eastward orientation frames the outer islands in warm evening light.
Pack a cooler with snacks and drinks before heading out, as provisioning options once underway can be limited on day trips to nearby cays.
Rent a kayak or paddleboard directly from the marina area to explore the sheltered waters of Smith Bay at your own pace.
Private sunset cruise with open bar and hors d'oeuvres
Toast the evening with drinks, hors d'oeuvres, and sunset views from the water
Pizza, snorkeling, and sunset views from the water
Soar above Caribbean Sea for views of St. Thomas and St. John
See St. John and St. Thomas from above on a boat-towed parasail flight
Soar above the Caribbean with views of St. John and St. Thomas
Soar above St. John and St. Thomas on a private boat outing