Cottrell Key is a shallow site located near Sand Key, featuring a mix of natural reef, artificial structures, and seagrass beds. Depths range from 2 to 7 metres, making it suitable for beginners. The area serves as a nursery for juvenile snapper, parrotfish, grunt, and barracuda, alongside batfish and mangrove crabs. Access requires a boat, as the site is situated 14.5 kilometres from shore. Visibility is variable, ranging from 5 to 23 metres, and currents are generally mild. Divers and snorkellers should exercise caution around sharp coral and rocks. Water temperatures are warm throughout the year, fluctuating between 23 and 31 degrees Celsius.

Higgs Beach offers shallow shore snorkelling around the concrete ruins of an old pier. The site features submerged pilings and rubble that provide a habitat for small reef fish and invertebrates. With depths ranging from 1 to 2 metres, this location is suitable for beginners. Conditions include mild currents and visibility typically between 3 and 4 metres. Water temperatures fluctuate seasonally from 24C to 32C. Divers and snorkellers should be aware of sea urchins and sharp coral in the area. Facilities at the beach include parking, toilets, showers, equipment rental, and a cafe.

Fort Zachary Taylor features a series of rock breakwaters that serve as an artificial reef system. Located in Key West, this site is accessible directly from the shore, with entry recommended at the eastern end of the beach. The area is suitable for beginners, offering depths ranging from 1 to 8 metres with an average of 3 metres. Conditions vary, with visibility typically between 3 and 10 metres and moderate currents. Hazards include surf, sharp coral, sea urchins, jellyfish, and low visibility. Facilities available at the site include parking, toilets, showers, equipment rental, a cafe, and first aid.

The Cable is a shallow reef site located at Sambo Reefs, reaching a maximum depth of 13 metres. This site is well-suited for beginner divers due to the mild currents and manageable depth. Access is by boat only, and divers must remain vigilant regarding boat traffic at all times. It is essential to deploy a surface marker buoy before ascending and during safety stops to ensure visibility to passing vessels. Water temperatures at the site range from 23C to 30C throughout the year, typically requiring a 3mm wetsuit for comfort.

Ball and Chain is a shallow reef site located at Sand Key, reaching a maximum depth of 11 metres. This site is suitable for beginner divers due to the mild currents and manageable conditions. Access is by boat only, and divers should be aware that boat traffic is common in the area. To ensure safety, maintain high visibility and remain close to your boat or dive flag throughout the dive. Perform a cautious, controlled ascent, especially when concluding your dive. Water temperatures at this location range from 23 to 30 degrees Celsius throughout the year.

The USS Vandenberg is a 160-metre decommissioned military transport vessel resting upright on a sandy bottom. The wreck spans depths from 12 to 44 metres, with the upper superstructure providing a shallower profile for advanced divers. Access is by boat only, located approximately 11 kilometres from shore. Divers encounter moderate currents and visibility ranging from 10 to 25 metres. Due to the significant depth and complex overhead environments within the ship, this site is strictly for advanced divers. Proper planning for bottom time and current management is essential for a safe dive on this massive artificial reef.

CFK Lagoon is a shore-entry artificial reef located at Sambo Reefs. This site offers depths ranging from 1 to 20 metres, providing accessible shallow areas for snorkellers and deeper sections for beginner divers. The environment features a mild current, making it a manageable location for those developing their skills. Visibility at the site is variable, so conditions can differ between visits. On-site facilities include changing rooms and showers, allowing for a convenient transition after your session. The site is open to both divers and snorkellers, with no specific certification required to explore the artificial structures.

State Harbor is a reef and wall site located 7400 metres from shore at Sambo Reefs. The site features depths ranging from 2 to 11 metres, with an average depth of 7 metres. Conditions are generally manageable for beginners due to mild currents and visibility between 10 and 30 metres. Water temperatures remain warm throughout the year, between 23 and 30 degrees Celsius. Access is exclusively by boat, and the site supports night diving. Divers should remain vigilant for boat traffic during ascents and descents. When navigating the reef structure, exercise caution to avoid contact with sharp coral, rocks, and sea urchins.