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.

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.

Cardona is a shore-entry reef dive located in Puerto Aventuras, Mexico. The site features a shallow profile ranging from 6 to 11 metres, making it suitable for beginner divers to practice buoyancy control. Currents are generally mild, though visibility varies significantly depending on local conditions. Water temperatures remain between 27 and 30 degrees Celsius throughout the year. Species recorded around this area include French Angelfish, Nurse Sharks, Spotted Morays, Rock Beauty, Great Barracuda, Indian Lionfish, Queen Angelfish, Caribbean Reef Octopus, Green Morays, Spotted Scorpionfish, wrasses, groupers, whiptail stingrays, and honeycomb cowfish. Divers should confirm equipment hire and air fills with a nearby operator before arrival as on-site facilities are not guaranteed.

Santa Rosa Reef in Puerto Aventuras is a drift dive site featuring a wall formation. The topography ranges from 15 to 40 metres, with an average depth of 22 metres. Divers should expect moderate currents and visibility typically between 20 and 40 metres. Due to the depth, potential for strong currents, and the nature of the wall, this site is suited for intermediate divers. Access is exclusively by boat, with a typical dive duration of 50 minutes. Hazards include the depth and the potential for overhead environments. Water temperatures remain consistent throughout the year, ranging from 27 to 29 degrees Celsius.

Punta Tunich is a wall and reef drift dive located 1000 metres off the coast of Puerto Aventuras. The site features a wall dropping from 15 to 37 metres, with an average depth of 20 metres. Divers experience strong currents, making this an intermediate-level site that requires boat access. Visibility typically ranges between 15 and 30 metres. Due to the significant depth and persistent current, divers must maintain close proximity to their guide and monitor depth gauges throughout the 45-minute dive. The topography is defined by the wall structure, which is best explored during the months of May and October when current conditions are most predictable.

Cordona Reef is a shallow marine site located off Puerto Aventuras, Mexico, offering depths between 5 and 10 metres. With an average depth of 7 metres and mild currents, it is well-suited for beginner divers. Visibility typically ranges from 10 to 30 metres, providing clear views of the reef structures. Water temperatures remain warm throughout the year, ranging from 27 to 30 degrees Celsius. Access to this site requires a boat. Divers should maintain good buoyancy control to avoid contact with sharp coral, rocks, and sea urchins present on the reef. The site is also suitable for night diving, with typical dive times lasting approximately 50 minutes.