Little St. James Ledges is a reef site located off Saint John in the US Virgin Islands. The site features a ledge structure at depths between 9 and 12 metres, with an average depth of 9 metres. Conditions are generally mild, with light currents and visibility ranging from 11 to 30 metres. Water temperatures remain warm throughout the year, fluctuating between 27 and 30 degrees Celsius. Access is by boat only. The site is suitable for beginners and supports night diving. Divers should exercise caution regarding sharp coral and rocks, as well as the potential presence of jellyfish in the area.

Stragglers' Reef is located on the lee side of Great St James, offering a sheltered dive site suitable for beginners. The topography features a system of canyons and a reef wall. Divers typically experience depths between 12 and 15 metres, with an average depth of 20 metres. Access is by boat only, and the site is subject to mild currents. Visibility ranges from 9 to 30 metres, with water temperatures between 27C and 30C throughout the year. Divers should be aware of boat traffic and complex navigation in the area. A typical dive lasts 50 minutes.

Christmas Cove, located on Great St James near Saint John, is a reef site suitable for beginners and students. The reef is situated in the middle of the cove, growing off a small rocky island. Divers typically explore at depths between 4 and 10 metres, with an average depth of 7 metres. Access to the site requires a boat. Conditions include mild currents and visibility ranging from 5 to 15 metres. Water temperatures remain warm throughout the year, between 27 and 30 degrees Celsius. The area is designated as a no-take zone. Hazards include sharp coral and surf. A cafe is available for visitors, and night diving is permitted.

Ledges of Little Saint James is defined by a series of underwater ledges, overhangs, and undercuts set within a low-lying reef. The site reaches depths between 20 and 60 metres, with an average depth of 30 metres. Divers and snorkellers can observe common species including Flamingo Tongue, various wrasses, Pacific Trumpetfish, Blue Tang, and Pederson Cleaner Shrimp. Less frequently, visitors may encounter Brazilian Reef Octopus, Spotted Moray, Fairy Basslet, Queen Angelfish, Smooth Trunkfish, Porcupinefish, Redband Parrotfish, Foureye Butterfly Fish, and Purple Sea Fan. Access is by boat only, with mild currents and visibility ranging from 7 to 30 metres. Water temperatures remain between 26 and 29 degrees Celsius throughout the year.

Sunken Sailboat in Saint John is a wreck dive site resting at depths between 2 and 20 metres, with an average depth of 8 metres. This site is suitable for beginner divers due to the mild currents and generally good visibility, which ranges from 18 to 30 metres. Access is by boat only, located approximately 400 metres from shore. The wreck serves as an artificial reef structure. Divers should exercise caution regarding sea urchins present on and near the vessel. Water temperatures remain warm throughout the year, fluctuating between 27 and 30 degrees Celsius. A torch is recommended for exploring the interior sections of the sailboat hull.

Calf Rock is a reef site situated adjacent to Cow Rock in Saint Thomas. The topography features a lengthy ledge and a rocky bottom, providing a habitat for various marine life. Divers can explore shallow areas that host elkhorn, staghorn, and pillar corals. The site reaches depths between 6 and 14 metres, with an average depth of 10 metres. Access is by boat only. Conditions include moderate currents and visibility ranging from 5 to 14 metres. Water temperatures remain warm throughout the year, typically between 27 and 30 degrees Celsius. Divers should be aware of sharp coral present at the site.

Cow Rock is a rocky reef formation located 805 metres off the coast of Saint Thomas. The site features a rocky bottom topography characterised by natural swim-throughs and colourful growth. Divers typically experience depths ranging from 12 to 15 metres, with an average depth of 12 metres. Access to this site is by boat only. Conditions are generally mild, with visibility ranging from 10 to 30 metres and water temperatures between 27C and 30C. Due to the location, divers should remain aware of boat traffic in the area. A typical dive at this site lasts approximately 45 minutes.

Dog Island is a boat-access reef located off Saint John in the US Virgin Islands. With depths ranging from 3 to 14 metres and an average of 10 metres, the site is well suited for beginners and snorkellers. Visibility typically spans 10 to 30 metres, allowing for clear views of the reef structure. Divers often encounter fairy basslet, wrasses, flamingo tongue, and Pacific trumpetfish. Less common sightings include queen angelfish, nurse shark, spotted moray, and Caribbean spiny lobster. Conditions are generally manageable with mild currents, though visitors should remain aware of sharp coral, sea urchins, and jellyfish. A full-length exposure suit is recommended for protection against stings and accidental contact with the reef.