St. Croix

St. Croix, the largest of the U.S. Virgin Islands, is a premier Caribbean diving destination renowned for its incredible diversity. The island is protected by one of the most extensive reef systems in the region, offering an array of underwater experiences. Divers can explore dramatic vertical walls like the famous Cane Bay Wall, navigate through historic shipwrecks in Butler Bay, or discover a world of macro critters under the Frederiksted Pier. This variety, from shallow reefs to deep canyons, makes St. Croix a captivating location for divers of all skill levels.

The diving conditions in St. Croix are consistently favorable, with warm, clear waters and minimal currents at most sites. Visibility often exceeds 80 feet (24 meters), and water temperatures remain comfortable year-round. The island's accessibility as a U.S. territory, combined with its well-established dive infrastructure and stunning topside beauty, provides a compelling reason to visit. Whether you are a new diver or an experienced veteran, St. Croix’s healthy marine ecosystems and varied topography promise an unforgettable underwater adventure.

Top Sites

Frequently Asked Questions

What's the most popular dive site in St. Croix, Virgin Islands, U.S.?
The Frederiksted Pier is arguably the most famous dive site in St. Croix, Virgin Islands, U.S. It's a world-class macro and muck diving location, which is rare in the Caribbean. Divers love it for the incredible abundance of unique critters like seahorses, frogfish, batfish, and countless crustaceans hidden among the pilings. Its shallow depth and easy accessibility make it perfect for long, relaxed dives and night diving.
What are the good and less popular dive sites in St. Croix, Virgin Islands, U.S.?
Well-known sites in St. Croix, Virgin Islands, U.S. include the Cane Bay Wall for its dramatic drop-off and the Butler Bay Wrecks. For a fantastic, less-crowded experience, explore the Salt River Canyon. Its East and West Walls offer stunning topography with swim-throughs and overhangs. It's a slightly more advanced dive but rewards with pristine corals and the chance to see larger pelagic species.
What water temperature is it like throughout the year diving in St. Croix, Virgin Islands, U.S.?
Water temperatures in St. Croix, Virgin Islands, U.S. are warm year-round. During the winter months (December-March), temperatures average 78-80°F (25-27°C). In the summer (June-September), the water warms up to a balmy 82-85°F (28-29°C). The shoulder seasons of spring and fall see temperatures comfortably in between these ranges, making diving pleasant anytime.
When is the best time to visit St. Croix, Virgin Islands, U.S.?
While diving is excellent year-round, the best time to visit St. Croix, Virgin Islands, U.S. is typically from April to June. During this period, you'll experience great weather, warm water, and fewer crowds than the peak winter season. Be aware that hurricane season runs from June to November, with the highest risk in August and September, which could impact travel plans.
What's the visibility like during the dive season in St. Croix, Virgin Islands, U.S.?
Underwater visibility in St. Croix, Virgin Islands, U.S. is generally excellent, typically ranging from 60 to 100 feet (18 to 30 meters), and can sometimes be even better. Conditions are consistently clear throughout the year. Visibility may be temporarily reduced near shore after a heavy rain shower, but it clears up quickly and rarely impacts the quality of diving on the offshore reefs and walls.
Are there any seasonal migrations or special events (e.g., manta rays, whale sharks) in St. Croix, Virgin Islands, U.S.?
Yes, from January through March, migrating humpback whales pass through the waters of St. Croix, Virgin Islands, U.S. While sightings are rare, it is common for divers to hear their incredible songs underwater. Additionally, sea turtle nesting season runs from approximately May through November, increasing the chances of encountering hawksbill, green, and leatherback turtles on the reefs.
What marine life can I expect to see in St. Croix, Virgin Islands, U.S.?
The waters of St. Croix, Virgin Islands, U.S. are teeming with life. Expect to see reef sharks, eagle rays, and several species of sea turtles. The reefs are vibrant with angelfish, parrotfish, and large schools of tangs and grunts. At the Frederiksted Pier, you can find macro life like seahorses, frogfish, and pipefish. Dolphins are also frequently spotted from the dive boats.
What thickness wetsuit should I wear in St. Croix, Virgin Islands, U.S.?
For summer diving in St. Croix, Virgin Islands, U.S. (June-Sept), when water is 82-85°F (28-29°C), a dive skin or 3mm shorty is usually sufficient. In the cooler winter months (Dec-Mar), with water at 78-80°F (25-27°C), a 3mm full wetsuit is recommended for most divers. If you tend to get cold easily, a 5mm full suit will ensure comfort for multiple dives.
How do I get to St. Croix, Virgin Islands, U.S.?
To get to St. Croix, Virgin Islands, U.S., you fly into Henry E. Rohlsen Airport (STX). Several major airlines from the U.S. mainland offer direct or one-stop flights. As it is a U.S. territory, no passport is required for U.S. citizens. Renting a car at the airport is highly recommended for getting around the island and to various dive shops and shore-diving sites.
Should I book a liveaboard or stay on shore in St. Croix, Virgin Islands, U.S.?
You should plan to stay on shore in St. Croix, Virgin Islands, U.S. The destination is exclusively served by land-based dive operators, and there are no dedicated liveaboards that tour the island. The dive sites are easily accessible via daily boat trips from Christiansted, Frederiksted, or the North Shore. This setup offers flexibility and allows you to enjoy the island's topside attractions as well.