Middle Sambo Reef is a marine reef site located 6436 metres from shore, requiring boat access. The site features a structure of hard and soft corals at depths ranging from 3 to 15 metres, with an average depth of 11 metres. Visibility typically spans 10 to 30 metres, and mild currents make it suitable for beginners. Water temperatures remain warm throughout the year, between 25 and 32 degrees Celsius. Species recorded around this area include nurse sharks, great barracuda, Atlantic tarpon, and various angelfish. Snorkellers should remain vigilant for boat traffic and avoid contact with the sharp coral structure to prevent damage to the reef.

Western Sambo Reef is a marine site located within the Florida Keys National Marine Sanctuary. Suitable for beginners, the reef features depths ranging from 2 to 18 metres. Divers can expect mild currents and visibility typically between 10 and 30 metres. The site requires boat access, with trips departing from Key West. Water temperatures fluctuate between 23 and 30 degrees Celsius throughout the year. Divers should exercise caution regarding sharp coral and rocks across the reef structure to avoid injury. A typical dive at this location lasts approximately 50 minutes.

The Haystacks is a shallow reef site located on the Western Sambo Reefs. Reaching depths of 2 to 10 metres with an average of 8 metres, this site is suitable for beginners and snorkellers. Access is by boat only, located 7000 metres from shore. Divers experience mild currents and visibility ranging from 7 to 30 metres. The site is suitable for night diving, with typical dives lasting 60 minutes. Species recorded around this area include Atlantic Tarpon, Great Barracuda, Nurse Shark, Queen Angelfish, French Angelfish, Green Moray, Blue Tang, Sucker Upsidedown Jellyfish, Wrasses, Yellowtail Parrotfish, Whiptail Stingray, Caribbean Spiny Lobster, Porcupinefish, and West Indian Manatee. Hazards include sharks and sharp coral.

Cannonball Cut is a drift dive located at Sambo Reefs, featuring a reef structure that slopes from 5 to 18 metres with an average depth of 10 metres. Divers experience moderate currents, making it suitable for beginners comfortable with drift diving. Visibility typically ranges from 10 to 30 metres. Access is by boat only, and divers should plan their pickup point downstream to avoid fighting the current. Hazards include boat traffic, surge, and sharp coral. The site is suitable for night diving, with typical dives lasting around 40 minutes. Always check local sea conditions before departure, as swell can impact the shallower sections of the reef.

Western Sambos is a reef and artificial reef site located 6437 metres from shore. The site features depths ranging from 5 to 8 metres, with an average depth of 7 metres. Conditions are generally mild, with visibility typically between 10 and 30 metres. The site is suitable for beginners, though divers should maintain buoyancy control to avoid contact with sharp coral and rocks. Water temperatures range from 25 to 29 degrees Celsius. Note that high water temperatures in the summer of 2023 caused widespread coral bleaching and mortality in the Florida Keys. Access is by boat only, with typical dives lasting 50 minutes.

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.

Marker 32 Reef is a shallow reef site located near the Vandenberg Wreck in the United States. Suitable for beginners, the site features depths ranging from 3 to 9 metres with an average of 8 metres. Visibility typically spans 10 to 30 metres, and mild currents keep conditions manageable. Access is strictly by boat, as the site is located approximately 9656 metres from shore. Divers and snorkellers should maintain high situational awareness due to boat traffic in the area. Always use a surface marker buoy to ensure visibility to boat operators. The site is available for both day and night diving, with typical dive durations lasting around 60 minutes.

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.