Carysfort Lighthouse Reef is a marine reef located within John Pennekamp Coral Reef State Park. The site features depths between 5 and 18 metres, with an average depth of 8 metres, making it suitable for beginners. Visibility ranges from 25 to 100 metres. Access is strictly by boat, which is necessary to avoid dangerous surf and shore break conditions. Divers should wear protective gear to avoid injury from sharp coral and remain aware of changing currents, which can occasionally run stronger than expected. Water temperatures fluctuate between 24 and 30 degrees Celsius. Night diving is permitted at this location, and showers are available for post-dive use.

Carysfort Reef Light is a distinctive double reef system located within John Pennekamp Coral Reef State Park. The site features a shallow reef area near the lighthouse, ideal for snorkelling, which transitions into a deeper reef structure as you move offshore. Divers can explore a topography of ridges, gullies, and occasional swim-through tunnels. Depths range from 2 to 24 metres, with an average of 5 metres. Access is by boat only, approximately 9 kilometres from shore. Conditions are generally mild with visibility between 15 and 30 metres. Divers should be aware of boat traffic and sharp coral. Facilities at the park include parking, toilets, showers, and gear storage.

The City of Washington is an artificial reef located within John Pennekamp Coral Reef State Park. Resting in depths of 6 to 8 metres, this wreck is accessible for beginner divers. The site features mild currents and visibility ranging from 5 to 10 metres. Divers access the wreck via boat, which is required due to its distance of approximately 9656 metres from shore. Night diving is permitted, offering a different perspective of the structure. Due to vessel activity in the vicinity, divers must remain cautious of boat traffic when surfacing and are advised to use a surface marker buoy.

Mike's Wreck, also known as the Hannah M. Bell, is a wreck and reef site located in John Pennekamp Coral Reef State Park. Situated 9600 metres from shore, this site requires boat access. Divers can expect depths ranging from 1 to 9 metres, with an average depth of 7 metres. The site features mild currents and visibility typically between 20 and 35 metres. Water temperatures remain warm, fluctuating between 24 and 30 degrees Celsius throughout the year. Due to its shallow nature and conditions, the site is suitable for beginners. Guided tours are available for those visiting the area.

The Elbow is located at the northeastern tip of the Key Largo reef tract, featuring a combination of natural reef, wreck, and artificial reef structures. The site spans a wide depth range from 6 to 60 metres, with an average depth of 25 metres. Divers access the site via boat, with visibility typically ranging between 10 and 30 metres. While mild currents are common, they can strengthen quickly at depth, requiring careful planning with a buddy. Night diving is available at this location. Due to the presence of jellyfish, a full wetsuit is recommended for protection. Surface conditions should be monitored during boat entries.

North Dry Rocks is a reef site located within John Pennekamp Coral Reef State Park. Accessible only by boat, the site features depths ranging from 4 to 14 metres, with an average depth of 7 metres. Conditions are generally mild, though visibility can vary between 10 and 30 metres. The site is suitable for beginners and supports both diving and snorkelling activities, including night diving. Divers and snorkellers should remain aware of boat traffic in the area and take care to avoid sharp coral. Guided tours and boat charters are available to facilitate access to this offshore location.

Horseshoe Reef in John Pennekamp Coral Reef State Park features a combination of natural coral formations and artificial reef structures. Located 1500 metres from shore, this site is accessible only by boat. Divers can expect depths ranging from 5 to 11 metres, with an average of 8 metres, making it suitable for beginners. Conditions include mild currents and visibility that fluctuates between 5 and 21 metres. Due to variable visibility, divers should maintain close proximity to their group. Exercise caution around the reef structure to avoid sharp coral and rocks. The site is also suitable for night diving, with typical dives lasting around 30 minutes.

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.