Eagle Ray Alley is a marine reef and artificial reef site located within John Pennekamp Coral Reef State Park. Access is exclusively by boat, as the site is situated approximately 9656 metres from the shore. Divers can expect depths ranging from 10 to 65 metres, with an average depth of 30 metres. Conditions are variable, with visibility ranging from 10 to 70 metres and moderate currents present. The site is suitable for beginners and supports night diving. Hazards include boat traffic, sharp coral, strong currents, and surf. Facilities available in the area include air fills, boat charters, guided tours, and dive shops.

Crater is a reef site located at Hen and Chickens Reef, accessible only by boat. The site features depths ranging from 11 to 18 metres, with an average depth of 14 metres. Divers should be prepared for moderate currents and potential surge, as well as hazards including boat traffic and sharp coral. Visibility varies significantly, ranging from 10 to 60 metres. This site is suitable for intermediate divers and supports night diving, with typical dive times around 40 minutes. Species recorded around this area include nurse sharks, great barracuda, wrasses, blue tang, and various angelfish species, alongside purple sea fans.

Hen and Chickens Reef is a marine site located 4828 metres from shore near Islamorada. The reef is characterised by a large central coral head surrounded by smaller coral formations. This site is suitable for beginners and accessible only by boat. Divers and snorkellers can expect depths ranging from 12 to 22 metres, though the reef structure itself includes shallower sections between 1.5 and 6 metres. Conditions generally feature mild currents and visibility between 10 and 30 metres. Water temperatures fluctuate between 24C and 30C throughout the year. Hazards at this location include boat traffic, jellyfish, low visibility, and sharp coral.

Rainbow Reef is a boat-access reef located 1500 metres from shore within John Pennekamp Coral Reef State Park. The site features a reef structure ranging from 10 to 30 metres in depth, with an average depth of 20 metres. Divers can expect visibility between 15 and 25 metres and moderate currents. Due to these conditions and the presence of sharp coral, rocks, and sea urchins, the site is best suited for intermediate divers. Surface conditions require caution due to active boat traffic; divers should deploy a surface marker buoy before ascending. Water temperatures remain between 23C and 28C throughout the year.

French Reef is a marine site located 1609 metres offshore, featuring a combination of reef, cave, and cavern topography. The site is suitable for beginners, with depths ranging from 5 to 30 metres and an average depth of 11 metres. Access is by boat only. Conditions are generally mild, with visibility typically between 10 and 25 metres. Water temperatures fluctuate between 23C and 29C throughout the year. Night diving is permitted at this location. Divers should be aware of potential hazards including jellyfish and sharp coral. Facilities available in the area include dive shops, boat charters, equipment rental, guided tours, and gear storage.

The Queen of Nassau is a wreck and artificial reef located 8046 metres from shore near Hen and Chickens Reef. This technical dive site sits at a depth of 70 metres. Due to the significant depth, strong currents, and potential for low visibility, this site is reserved for experienced technical divers. Boat access is required to reach the location. Water temperatures range from 21C to 27C throughout the year, and the cold conditions at depth necessitate the use of dry suits, hoods, and heavier gloves for thermal protection. Guided tours and boat charters are available to facilitate access to this deep-water wreck.

Davey Crocker Reef is a shallow reef located near Hen and Chickens Reef in Islamorada. This site is suitable for beginners and snorkellers, offering depths ranging from 10 to 29 metres with an average of 9 metres. Access to the reef is by boat only, as it is situated approximately 8,850 metres from the shore. Divers and snorkellers can expect mild currents and visibility between 9 and 21 metres. Water temperatures fluctuate throughout the year, ranging from 23C in the winter months to 29C in August. Hazards at this location include sharp coral, the risk of decompression, and nitrogen narcosis.

Jumping Mackerel is a marine dive site located at Hen and Chickens Reef in the United States. The site features a consistent depth of 10 metres. Access to this location is by boat only. Divers should be aware of moderate currents and potential boat traffic in the area. Given the depth and conditions, the site is suitable for beginner divers. Water temperatures at this location range between 24C and 30C throughout the year.