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.

Castle Reef is a finger reef formation located off the East Coast of Saint Thomas. The site is situated within a marine preserve and is surrounded by sand flats. Divers can explore depths reaching 14 metres. Access to this site is by boat only, as there are no mooring buoys. Conditions are variable, with visibility ranging from 60 to 100 metres and water temperatures between 27C and 30C throughout the year. The site is rated for intermediate divers. Caution is advised due to the presence of sharp coral throughout the reef structure.

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.

Five Finger Reef is a shallow site located off Saint Thomas, offering depths between 3 and 10 metres with an average of 5 metres. This site is accessible only by boat, situated approximately 6000 metres from shore. It is well-suited for beginner divers due to the mild currents and manageable conditions. The primary feature is the reef structure itself, which requires careful buoyancy control and fin placement to avoid contact with sharp coral and rocks. Water temperatures remain warm throughout the year, ranging from 27 to 30 degrees Celsius. Divers should wear protective clothing to prevent abrasions from the reef and check visibility conditions with their boat operator before departure.

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.

Rays Rise is a fringe reef located in Saint John, US Virgin Islands, characterised by its proximity to an expansive sandy area. The site features a mix of reef and rocky topography, providing diverse habitats for local marine life. With an average depth of 3 metres and a maximum of 5 metres, it is well-suited for beginner divers. Access is strictly by boat, and conditions are generally mild with visibility ranging from 18 to 30 metres. Divers should remain aware of boat traffic in the area. Water temperatures remain warm throughout the year, typically between 27 and 30 degrees Celsius.

Secret Harbor in Saint Thomas offers a sheltered, accessible environment for both divers and snorkellers. The site features a reef with depths ranging from 2 to 6 metres, averaging 5 metres. Conditions are generally mild, with visibility between 10 and 25 metres and water temperatures consistently between 27 and 30 degrees Celsius. Shore entry is straightforward, though visitors should exercise caution regarding sharp coral and sea urchins. The site is well-equipped with parking, toilets, showers, a cafe, and an on-site dive shop. Due to boat traffic in the area, the use of a surface marker buoy is recommended for safety.

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.