Cannon Beach is a shallow snorkel site located within John Pennekamp Coral Reef State Park. Situated 100 metres from the shore, the site features replica Spanish cannons and an anchor placed on the seabed to serve as an artificial reef. The area is suitable for beginners, with depths ranging from 2 to 6 metres and an average depth of 3 metres. Snorkellers should be aware of mild currents and potential boat traffic in the vicinity. Facilities at the park include parking, toilets, showers, changing rooms, a rinse station, equipment rental, a cafe, and a dive shop.

John Pennekamp Coral Reef State Park features a diverse underwater environment including natural reefs, wrecks, artificial reefs, and seagrass beds. Located near Key Largo, the site offers depths ranging from 1 to 15 metres, with an average depth of 8 metres. Conditions vary, with visibility between 5 and 25 metres and moderate currents. Access is available via both shore and boat, making it suitable for beginners. Divers should be aware of hazards including boat traffic, sharp coral, strong currents, and surf. Facilities at the park include parking, toilets, showers, changing rooms, equipment rental, a cafe, a dive shop, and boat charter services. Night diving is permitted at this location.

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.

Cannon Patch in John Pennekamp Coral Reef State Park is a shallow site featuring a combination of natural and artificial reef structures. With depths ranging from 1 to 2 metres, it is suitable for beginner divers. The site experiences mild currents and visibility typically between 1 and 4 metres. Due to the shallow nature of the reef, divers should exercise caution regarding sharp coral and rocks. Boat access is required to reach this site, which lies 40 metres from shore. Water temperatures remain warm throughout the year, ranging from 24 to 31 degrees Celsius. Divers must remain vigilant for boat traffic while at the surface.

John Pennekamp Coral Reef State Park offers shallow reef diving in depths ranging from 1 to 10 metres. This site is suitable for beginners, though boat access is required as it lies 8 kilometres from shore. Visibility varies significantly from 5 to 30 metres. Divers should remain cautious of boat traffic, sharp coral, and potential strong currents. Species recorded around this area include Great Barracuda, Nurse Shark, Green Moray, French Angelfish, Queen Angelfish, Rock Beauty, various wrasses, Stoplight Parrotfish, Caribbean Ocean Surgeonfish, Lettuce Sea Slug, Redband Parrotfish, Purple Sea Fan, Yellowtail Parrotfish, and Hogfish. Facilities include parking, toilets, showers, air fills, equipment rental, a cafe, a dive shop, and boat charters.

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.

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.

Coral Tree Nursery is an artificial reef structure designed for the active cultivation of staghorn and elkhorn coral. Located at depths of 9 to 10 metres, the site features mild currents and is suitable for beginner divers. The underwater environment consists of suspended coral frames and nursery lines. Divers should be aware of entanglement hazards near these structures and remain vigilant for boat traffic during ascents. Visibility is variable, and the site is primarily managed for conservation purposes. Guided tours are available to assist visitors in navigating the nursery area safely.