Frederiksted Pier is a versatile artificial reef and muck diving site located in Saint Croix. The structure features depths ranging from 5 to 27 metres, with an average depth of 25 metres. Accessible via both shore and boat, the site is suitable for beginners and supports night diving. Visibility typically spans 10 to 30 metres, with mild currents. Divers should be aware of boat traffic, jellyfish, and sharp coral in the area. Facilities at the site include parking, toilets, and a dive shop. The pier is accessible 24 hours a day, provided no cruise ships are docked.

Tres Amigos is an artificial reef located 470 metres off the coast of Saint Croix. The site sits at a constant depth of 27 metres, requiring advanced diving skills and careful gas management. Visibility typically ranges between 18 and 24 metres, allowing for clear views of the structure. Conditions are generally manageable with mild currents, though the depth remains the primary constraint for bottom time. Boat access is required for all visits. Night diving is available, offering a distinct experience compared to daytime dives. Divers should remain vigilant for active boat traffic during ascents and entries, and be aware of potential jellyfish in the water.

Salt River Canyon is a marine dive site located off Saint Croix in the US Virgin Islands. The site features a reef and drop-off topography with an average depth of 18 metres, ranging between 11 and 26 metres. Divers access the site by boat, where a mooring is situated on a sandy bottom at approximately 11 metres. The site is suitable for intermediate divers. Conditions generally include mild currents and water temperatures ranging from 27C to 30C throughout the year. Divers should be aware of sharp coral present in the area.

The Aquarium is a reef site located 150 metres off the coast of Saint Croix. Accessible only by boat, the site features depths ranging from 10 to 25 metres, with an average depth of 12 metres. Visibility typically spans 18 to 30 metres, and water temperatures remain between 27 and 30 degrees Celsius. The mild currents make this location suitable for beginners. Divers should be aware of potential hazards including jellyfish, lionfish, sea urchins, and sharks. Species recorded around this area include frogfish, green sea turtles, Brazilian reef octopus, spotted moray, French angelfish, spotted scorpionfish, Indian lionfish, green moray, chain moray, great barracuda, shortnose batfish, nurse shark, fairy basslet, and Caribbean reef octopus.

Tide Bottle is a boat-access reef dive located off Saint Croix. The site features a reef structure that drops from 11 metres to an average depth of 20 metres, reaching a maximum of 30 metres. Divers encounter moderate currents, which can shift and intensify, requiring intermediate skill levels and careful monitoring of depth and drift. Visibility typically ranges from 18 to 30 metres. Water temperatures remain between 27C and 30C. Species recorded around this area include frogfish, spotted scorpionfish, fairy basslet, blue tang, snake eel, peacock flounder, Pacific trumpetfish, Pederson cleaner shrimp, conger eel, French grunt, giant feather-duster worm, combers, fireworm, and queen conch.

Alien Nation is a reef dive located off Saint Croix, US Virgin Islands, accessible only by boat. The site features a reef structure that descends from 13 to 30 metres, with an average depth of 20 metres. Visibility typically ranges between 15 and 30 metres, and divers encounter mild currents. Due to the depth, this site is suited for intermediate divers, and careful management of no-decompression limits is required. Water temperatures remain warm throughout the year, ranging from 27 to 30 degrees Celsius. Divers should exercise caution regarding the depth and remain alert for potential currents near the reef area.

King’s Alley is a reef dive located off Saint Croix, accessible exclusively by boat. The site features a reef structure ranging from 14 to 31 metres in depth, with an average depth of 19 metres. Divers typically encounter mild currents, making the site suitable for beginners. Water temperatures remain warm throughout the year, fluctuating between 27 and 30 degrees Celsius. Due to the proximity of active shipping lanes, boat traffic is a significant hazard at this location. Divers must exercise caution during ascents and are advised to deploy a surface marker buoy at all times to ensure visibility to passing vessels.

Sprat Hole is a reef site located off Saint Croix, accessible exclusively by boat. The reef structure ranges from 8 to 18 metres in depth, with an average of 10 metres, making it suitable for beginners. Divers and snorkellers can expect visibility between 15 and 30 metres and mild currents. Water temperatures remain consistent throughout the year, ranging from 27 to 30 degrees Celsius. Due to strong surf and shore break at the water edge, boat entry is required. While the reef is shallow, the site reaches depths of 70 metres, requiring careful monitoring of depth during the dive.