Caneel Bay on the west coast of Saint John offers a shallow marine environment featuring a mix of coral reef and seagrass beds. Located 50 metres from the shore, the site reaches depths of 2 to 5 metres with an average of 3 metres. Conditions are generally mild with visibility ranging from 10 to 20 metres, making it suitable for beginners. Divers and snorkellers should be aware of boat traffic in the area, as well as the presence of sea urchins and sharp coral. Access is via the shore, with parking and toilet facilities available nearby. Typical dives last approximately 45 minutes.

Trunk Cay in Saint John offers accessible shore entry to a combination of natural and artificial reef structures. The site features shallow water ranging from 1 to 5 metres, with an average depth of 3 metres, making it suitable for beginners. Divers and snorkellers can encounter French Angelfish, Spotted Moray, Great Barracuda, Nurse Shark, Wrasses, Stoplight Parrotfish, Striped Parrotfish, Blue Tang, Foureye Butterfly Fish, Flamingo Tongue, Rock Cod, Caribbean Ocean Surgeonfish, Christmas Tree Worm, and Reef Squid. Conditions include mild currents and visibility ranging from 5 to 100 metres. Water temperatures remain warm between 27 and 30C. Be cautious of sharp coral edges and occasional jellyfish.

Johnson's Reef is a shallow marine site located 805 metres offshore from Saint John. With depths ranging from 1 to 10 metres and an average of 6 metres, it is suitable for beginners. Divers and snorkellers can observe species including French Angelfish, Spotted Moray, Striped Parrotfish, Queen Parrotfish, Foureye Butterfly Fish, Whiptail Stingray, Reef Squid, French Grunt, Sea Bass, Yellowtail Snapper, Lizardfish, hard coral, and snails. Visibility typically spans 10 to 30 metres. Access is by boat only. Hazards include boat traffic, jellyfish, rip currents, sea urchins, sharp coral, surf, and surge. Always monitor local surge and swell conditions and use a surface marker buoy.

Carval Rock is a reef and drift dive site located near Saint John. The topography features rock formations and swim-throughs, with depths ranging from 15 to 80 metres. Divers can observe a variety of marine life, including common sightings of Foureye Butterfly Fish, Purple Sea Fans, and Blue Tang. Other species recorded at the site include Spotted Moray, Arrow Crab, Stoplight Parrotfish, Wrasses, Atlantic Tarpon, Smooth Trunkfish, Flamingo Tongue, Pederson Cleaner Shrimp, Gray Angelfish, Pacific Trumpetfish, and Basket Starfish. Access to the site is by boat only. Conditions include mild currents and visibility between 33 and 100 metres. Hazards include deep water, overhead environments, strong currents, and surf.

Lovango Cay is a shallow reef site located 1600 metres from shore in the US Virgin Islands. This site is suitable for beginners, with depths ranging from 1 to 2 metres and an average depth of 1 metre. Divers typically spend 50 minutes exploring the reef, where mild currents and visibility between 10 and 30 metres provide a comfortable environment. Access to the site is by boat only. On-site facilities include a cafe, showers, changing rooms, and a rinse station. Hazards include boat traffic and sharp coral, so maintain awareness of your surroundings while in the water.

Whistling Cay offers a diverse underwater landscape featuring a reef, a wall, and a canyon. Located 270 metres from shore, this site is accessible by boat only. Divers can expect depths ranging from 12 to 30 metres, with an average depth of 16 metres. Conditions are generally mild, with visibility typically between 15 and 30 metres. The site is suitable for beginners, though caution is required near the reef structure to avoid sharp coral, sea urchins, jellyfish, stonefish, and sharks. A typical dive lasts 50 minutes. Ensure you arrange a boat charter in advance, as there are no on-site amenities.

Devers, located off Chocolate Hole in Saint John, is a reef dive site requiring boat access. The site features a consistent depth of approximately 22 metres. Divers should be prepared for moderate currents, which can occasionally become strong. Visibility at this location is high, typically ranging between 60 and 100 metres. Given the depth and current conditions, this site is best suited for intermediate divers. Typical dive times at this location are around 45 minutes. Water temperatures remain warm throughout the year, ranging from 27C to 30C. Divers should be aware of the presence of sharks at this site.

Rendezvous Bay is a boat-accessible dive site located off the coast of Saint John in the US Virgin Islands. The site features a consistent depth of approximately 17 metres. Due to the nature of the location, a boat is required for entry. Conditions at this site vary, and it is suitable for beginner divers. There is no specific data regarding marine life at this location. Divers should be prepared for water temperatures ranging from 27C to 30C throughout the year, with the warmest conditions typically occurring in September and October.