Lighthouse Reef in Belize is a diverse marine site featuring a reef, wall, cave, and blue hole topography. Located 70 kilometres from shore, this site requires boat access and is suited for intermediate divers. Depths range from 10 to 40 metres with visibility typically between 25 and 40 metres. Divers may encounter mild currents while exploring the drop-offs and overhead environments. Water temperatures remain warm throughout the year, ranging from 27C to 30C. Species recorded around this area include Great Barracuda, Nurse Shark, French Angelfish, Chupare Stingray, Fairy Basslet, Queen Angelfish, Green Moray, Indian Lionfish, Spotted Moray, Rock Beauty, Wrasses, Blue Tang, Stoplight Parrotfish, and Black Durgeon.

The Great Blue Hole is a marine sinkhole located at Lighthouse Reef, Belize. This site features a distinct cavernous topography reaching depths of 40 metres, with an average dive depth of 25 metres. Divers encounter stalactites within the formation. Due to the depth and overhead environment, this site is strictly for advanced divers. Access is by boat only, located 70 kilometres from shore. Conditions include mild currents and visibility ranging from 15 to 60 metres. Water temperatures remain between 26 and 30 degrees Celsius throughout the year. Hazards include decompression risks, nitrogen narcosis, and the deep nature of the site.

Johnson's Wall is a marine wall and drop-off site located at Lighthouse Reef, Belize. Divers typically experience depths averaging 14 metres during 45-minute dives. Access is exclusively by boat, and the site is suited for intermediate divers due to moderate currents. Visibility ranges from 20 to 40 metres. Water temperatures fluctuate between 27C and 30C, with potential for dramatic changes near the wall as warm lagoon water mixes with cooler open sea water. Hazards include boat traffic, sharks, sharp coral, and strong currents. Species recorded around this area include nurse sharks, French angelfish, great barracuda, Indian lionfish, green and spotted morays, rock beauty, spotted scorpionfish, Chupare stingray, fairy basslet, queen angelfish, Caribbean reef octopus, wrasses, and black durgeon.

West Point at Lighthouse Reef is a wall and drop-off site that descends from 20 to 40 metres. This location is suited for intermediate divers due to the depth and the presence of down currents. Visibility typically ranges between 10 and 30 metres, allowing for views of the wall topography. Water temperatures remain between 26 and 30 degrees Celsius. Access is by boat only, and the site is not suitable for snorkelling. Divers should remain aware of hazards including surge, sharp coral, and the risk of nitrogen narcosis at depth. Typical dive times are approximately 50 minutes.

Half Moon Wall is a reef and wall site located at Lighthouse Reef, Belize, offering a drift diving experience. The site features a sandy bottom transition leading to a vertical wall. Divers can expect depths ranging from 5 to 42 metres, with an average depth of 18 metres. Conditions are generally stable with mild currents and visibility between 20 and 40 metres. Water temperatures fluctuate between 26 and 30 degrees Celsius throughout the year. Access to this site is by boat only, and it is suited for intermediate divers. Typical dive times are approximately 50 minutes.

The Chimney is a reef and wall site located at Lighthouse Reef, Belize. This site features a canyon topography and requires boat access due to its distance of 1600 metres from the shore. Divers should be prepared for strong currents and surge, making this an advanced dive. Depths range from 6 to 33 metres, with an average depth of 27 metres. Visibility typically varies between 12 and 24 metres. Given the depth and current conditions, this site is suited for experienced divers. Typical dive times are approximately 45 minutes.

Chris's Chimney is a reef site located on Lighthouse Reef, Belize, characterised by a consistent depth of 8 metres. The site offers visibility of 30 metres and is free from currents, making it suitable for beginner divers. Access is by boat only, with guided tours available through the local dive shop. Divers should exercise caution around the reef structure, as the coral and rocks have sharp edges that can cause injury or damage to the reef. The site is open year-round and supports night diving, with water temperatures ranging between 27 and 30 degrees Celsius.

The Aquarium is a reef and wall dive site located at Lighthouse Reef. The site features a coral wall with the most vibrant reef sections situated between 10 and 12 metres. Divers can expect an average depth of 10 metres, with a total depth range of 8 to 12 metres. Access to this site is by boat, as it is located 21 kilometres from shore. Conditions are generally mild, though strong currents can occur. Visibility typically ranges from 15 to 30 metres, and water temperatures remain warm throughout the year, ranging from 27 to 30 degrees Celsius.