Playa Corona in Puerto Aventuras is a shallow reef site accessible directly from the shore. The reef structure sits close to the beach, allowing for easy entry for both divers and snorkellers. Depths at this location range from 3 to 20 metres, with an average depth of 9 metres. Conditions are generally stable with mild currents and visibility reaching 30 metres. Water temperatures remain warm throughout the year, ranging between 27C and 30C. Visitors should be aware of potential hazards including boat traffic, sharp coral, and surf. On-site facilities include parking, toilets, and showers to support extended visits.

Sky Reef in Puerto Aventuras is a shore-entry site featuring a combination of natural reef and artificial structures. The reef begins just metres from the shore, characterised by rocky outcroppings and large fan corals. Depths range from 2 to 20 metres, with an average of 10 metres. Conditions are generally mild, though snorkelers and divers should be aware of potential surf, jellyfish, and sharp coral. The site is well-equipped with facilities including a dive shop, equipment rental, and rinse stations. Marine life recorded here includes Queen and French Angelfish, Nurse Sharks, Great Barracuda, Caribbean Spiny Lobster, and various wrasses, groupers, and rays.

Columbia Reef and Palancar Bricks is a drift dive site located 6000 metres offshore from Puerto Aventuras. This site features a reef and wall topography with depths ranging from 4 to 27 metres, averaging 23 metres. Divers should expect moderate currents and visibility between 12 and 60 metres. Boat access is required for this intermediate-level dive. Water temperatures remain warm throughout the year, typically between 27 and 30 degrees Celsius. Species recorded around this area include French Angelfish, Nurse Sharks, Great Barracuda, Spotted Moray, Rock Beauty, Spotted Scorpionfish, Indian Lionfish, Queen Angelfish, Green Moray, Chain Moray, Caribbean Reef Octopus, Wrasses, Whiptail Stingray, and Foureye Butterfly Fish. Night diving is available at this location.

Francesa is a reef site located off Puerto Aventuras, Mexico, designed for drift diving. The site features depths ranging from 12 to 30 metres, with an average depth of 15 metres. Divers access the reef exclusively by boat. Conditions include moderate currents and visibility typically between 15 and 30 metres. Water temperatures remain consistent throughout the year, ranging from 27C to 29C. The site is suitable for beginners and supports night diving, with a typical dive duration of 50 minutes. Hazards at this location include surge, strong currents, and sharp coral. No specific marine life data is available for this site.

San Francisco Reef in Puerto Aventuras is a marine site featuring a combination of reef and wall topography. Divers typically experience drift conditions with moderate currents, though strong currents can occur. The site reaches depths between 12 and 61 metres, with an average depth of 18 metres. Access is exclusively by boat. Visibility is consistently recorded at 30 metres. Water temperatures range from 26C to 29C throughout the year. This site is suitable for intermediate divers and supports night diving, with a typical dive duration of 45 minutes.

Recif Palancar is a reef and wall site located 2000 metres from the shore of Puerto Aventuras. This drift dive site features an average depth of 12 metres and is accessible only by boat. Divers should be prepared for moderate currents and visibility ranging from 15 to 40 metres. The site is suitable for intermediate divers and supports night diving. Hazards include boat traffic, sharp coral, and potential for strong currents. Water temperatures remain warm throughout the year, typically between 27 and 30 degrees Celsius. Typical dives at this location last approximately 50 minutes.

Exectamente is a boat-access reef and wall site located off Cozumel Island. The site features depths ranging from 10 to 20 metres, with an average depth of 15 metres. Divers experience visibility of approximately 30 metres and water temperatures between 27 and 30 degrees Celsius. A moderate current typically runs through the area, making this a drift dive. The site is suitable for beginners, though good buoyancy control is required to avoid contact with sharp coral edges along the wall. Night diving is also available. Divers should stay close to their guide and carry a surface marker buoy due to the potential for changing currents.

San Clemente Reef is a marine dive site located 500 metres offshore from Puerto Aventuras. This reef offers a shallow profile with depths ranging from 6 to 12 metres, averaging 9 metres. The site is accessible only by boat and is suitable for beginner divers due to the mild currents. Visibility at the reef typically spans 10 to 23 metres. Water temperatures remain warm throughout the year, fluctuating between 27C and 30C. Guided tours are available for those visiting the site, and night diving is permitted. The reef provides a consistent environment for divers looking for accessible, shallow-water exploration in the Yucatán Peninsula.