Cheeca Rocks is a shallow reef site located near Alligator Reef, offering a manageable environment for beginners. The reef structure sits at depths between 8 and 20 metres, with snorkellers primarily exploring the shallower sections. Hard and soft corals form the primary topography of the site. Conditions are generally mild, though visitors should remain aware of boat traffic in the area. Due to the presence of sea urchins within the reef crevices and along the coral base, caution is advised when placing hands or feet. Access to this site is by boat only, and participants should be prepared for potential surf or shore break conditions during entry.

Donut is a shallow reef site at Alligator Reef, United States, featuring depths ranging from the surface to 8 metres. The topography consists of a mix of boulder and branching coral structures, providing varied terrain for exploration. This site is suitable for beginners and is accessed by boat. Conditions are generally manageable with mild currents, though visibility can be highly variable. Divers and snorkellers should exercise caution regarding sea urchins present on the reef substrate. Avoid placing hands or feet on the seabed to prevent injury from spines while navigating the shallow areas. Always check local visibility reports before departure.

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.

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.

Good Patches at Hen and Chickens Reef offers a combination of natural and artificial reef structures. The site reaches depths between 7 and 25 metres, with an average depth of 15 metres, making it suitable for beginner divers. Navigation is straightforward due to mild currents, and visibility typically ranges from 10 to 30 metres. Divers should exercise caution regarding sharp coral and rocks when navigating the structures and remain aware of jellyfish in the water column. Access to this site is by boat only, with a typical dive duration of 50 minutes. Water temperatures remain between 23 and 29 degrees Celsius throughout the year.

Morada is a shallow reef located 2000 metres offshore at Hen and Chickens Reef. The site features a depth range of 6 to 8 metres, making it suitable for beginner divers. Divers access the reef exclusively by boat. Visibility typically ranges from 10 to 25 metres, allowing for clear observation of the reef structure. A moderate current is common, so timing dives for slack or early flood tide is recommended to manage water movement. Facilities including air fills, equipment rental, and guided tours are available. Be aware that sharks are present in this reef environment, and divers should maintain a calm distance if encountered.

Rocky Top is a patch reef located at Hen and Chickens Reef near Islamorada. The site features a mooring ball for boat access, with depths ranging from 5 to 8 metres and an average depth of 6 metres. The topography consists of a reef structure rising from a sandy bottom, making it suitable for both divers and snorkellers. Conditions are generally mild, though divers should remain aware of boat traffic and potential surge. Visibility typically ranges from 10 to 25 metres. Guided tours and boat charters are available for those wishing to visit this site.

Corona is a shallow reef site located at Alligator Reef, United States. Reached exclusively by boat, the site features depths ranging from the surface to 12 metres, with an average depth of 6 metres. Visibility typically spans 10 to 25 metres, and mild currents make it suitable for beginner divers. Divers should remain mindful of surge and swell, which can push swimmers toward sharp coral and rocks. Water temperatures are warm, fluctuating between 24 and 30 degrees Celsius throughout the year. Typical dives last approximately 50 minutes. Maintain neutral buoyancy to avoid contact with the reef structure and keep a safe distance from any sharks encountered.