El Islote is a marine site off Puerto Aventuras featuring a reef, wall, and pinnacle structure. The site reaches depths between 10 and 40 metres, with an average depth of 15 metres. Divers must access this location by boat. Conditions are defined by strong currents, which can surge unexpectedly around the pinnacle. Due to these currents and the presence of sharks, this site is suited for intermediate divers who can maintain situational awareness. Water temperatures remain consistent between 27 and 29 degrees Celsius throughout the year. Visibility varies, so local conditions should be monitored closely before planning a dive.

Maracaibo is a deep wall dive located off the southern coast of Cozumel. The wall begins at approximately 29 metres and extends to depths exceeding 43 metres. A signature feature of the site is a large, well-defined arch that divers can navigate from the bottom upwards. Due to the location, this site requires boat access and is suited for advanced divers only. Conditions are characterised by strong currents and potential ocean swells at the surface. Visibility typically ranges between 25 and 30 metres, with water temperatures remaining between 27 and 29 degrees Celsius throughout the year.

Chun Chacaaab Reef is a boat-access-only site located off Puerto Aventuras, Mexico. This reef is suited for advanced divers due to its strong currents and depths ranging from 15 to 24 metres, with an average depth of 21 metres. Typical dives last approximately 40 minutes. Because conditions can change significantly, divers should confirm current strength and direction with their operator before entering the water. Hazards include strong currents and the presence of lionfish; maintain a safe distance from these fish to avoid their venomous spines. Remain close to the boat throughout the dive and maintain precise buoyancy control to manage the drift effectively.

Chunchacah is a drift dive site located off Puerto Aventuras, featuring a long mound structure composed of hard coral heads and sea fans. The topography includes crevices that provide shelter for various marine life. Divers typically experience depths ranging from 7 to 24 metres, with an average depth of 21 metres. Due to moderate currents and the nature of the terrain, this site is suitable for advanced divers. Access is strictly by boat, with dives lasting approximately 40 minutes. Visibility varies significantly, reaching up to 35 metres. Species recorded around this area include French angelfish, nurse sharks, great barracuda, queen angelfish, and Caribbean spiny lobster.

Punta Sur is a demanding drift dive located at the southern tip of Cozumel. The site features a deep wall that drops beyond 40 metres, with an average depth of 30 metres. Divers encounter strong currents along the reef, which includes cave structures and overhead environments. Visibility typically ranges from 20 to 40 metres, and water temperatures remain between 27 and 29C. Due to the depth and current, this site is strictly for advanced divers. Boat access is required, and divers must manage decompression and nitrogen narcosis risks. Briefings with divemasters are essential before entry to coordinate drift pick-up procedures.

Maracaibo Reef is a complex site off Puerto Aventuras featuring a wall, drop-off, and various overhead environments including caves and caverns. This site is suited for advanced divers, with depths ranging from 18 to 45 metres. Divers must be prepared for strong currents that can shift direction unexpectedly. Visibility reaches up to 30 metres but remains variable. Due to the significant depth and technical nature of the overhead structures, advanced and deep diving certifications are mandatory. Access is exclusively by boat to avoid the surf and shore break conditions present at the coastline. Divers should maintain constant vigilance regarding boat traffic during ascent.

Columbia Ladrillos is a marine dive site located 2000 metres off the coast of Puerto Aventuras, Mexico. This site features a combination of reef, wall, and canyon topography. Divers can expect depths ranging from 9 to 30 metres, with an average depth of 18 metres. Access to the site is by boat only. Conditions include moderate currents and visibility typically between 15 and 30 metres. Water temperatures remain consistent, ranging from 27C to 29C throughout the year. The site is suitable for intermediate divers and supports night diving. Hazards include the depth, sharp coral, and the potential for strong currents.

Colombia Reef in Puerto Aventuras is a drift dive featuring a wall that descends from a 5-metre shallow top to a maximum depth of 27 metres. The site offers visibility ranging from 12 to 60 metres. Divers experience moderate currents, making this a suitable location for beginners, though caution regarding boat traffic and buoyancy control near sharp coral is necessary. Night diving is available at this location. Species recorded around this area include French angelfish, Queen angelfish, Great barracuda, Nurse sharks, and various moray eels. Divers should monitor their depth closely to manage risks associated with nitrogen narcosis and decompression.