Montgomery's Reef is an artificial and natural reef site located in the United States. The site is situated approximately 13.7 kilometres from the shore and requires boat access. Divers can expect depths ranging between 10 and 11 metres, with an average depth of 10 metres. Due to the location, divers should remain aware of boat traffic and potential entanglement hazards. Conditions at this site vary, with water temperatures fluctuating between 16C and 28C throughout the year. This site is suited for intermediate divers.

Cumberland Island at Sea Camp Beach offers shallow water snorkelling over sandy bottoms and seagrass beds. Located within a National Seashore, the site features occasional sandbars and is accessible via shore entry. Conditions are generally suitable for beginners, though snorkelers should be aware of potential hazards including rip currents, strong currents, sharks, and jellyfish. Water temperatures fluctuate significantly throughout the year, ranging from 14C in winter to 29C in summer. Facilities available at the site include parking, toilets, showers, and a rinse station. The swimming season typically runs from April to November when water temperatures are generally above 20C.

Esparta is a wreck and artificial reef located off the coast of the United States. The site sits at depths ranging from 7 to 30 metres, with an average depth of 15 metres. Divers access the wreck by boat, encountering mild currents and visibility between 10 and 20 metres. Due to the depth and the nature of the structure, this site is suited for intermediate divers. Hazards include potential entanglement with the wreck structure and surge, which can be influenced by surface swell. Typical dive times are approximately 40 minutes. Always verify local sea states and boat operator availability before planning a trip to this location.