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.

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.

Palancar Reef is a drift diving site situated 2000 metres offshore, characterised by a combination of shallow reef structures and a deep wall. Depths range from 7 to 36 metres, with an average of 25 metres. Divers encounter moderate currents and visibility spanning 20 to 100 metres. Access is strictly by boat, and the site requires an Advanced Open Water certification due to the depth and current conditions. Water temperatures remain stable between 27 and 29 degrees Celsius. Divers must remain vigilant regarding boat traffic, surge, and the risk of nitrogen narcosis at deeper sections. Always deploy an SMB before surfacing to ensure safety from vessel traffic.

Punta Sur Reef in Puerto Aventuras is a demanding site featuring a reef and wall system with depths ranging from 25 to 40 metres. This location is defined by strong currents, making drift diving the primary method of exploration. The topography includes complex caves and caverns, which present overhead environments. Due to the significant depth, strong currents, and technical nature of the cavern systems, this site is suitable only for advanced divers with appropriate deep and overhead environment training. Visibility typically ranges between 20 and 40 metres. Boat access is required, and divers should be prepared for potential surf and shore break conditions during entry and exit.

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.

Columbia Deep is a complex marine site located off the coast of Puerto Aventuras, featuring a diverse topography of reefs, walls, pinnacles, and caves. This advanced dive site requires boat access and is situated 10,000 metres from the shore. Divers encounter depths ranging from 8 to 100 metres, with an average depth of 22 metres. Conditions include moderate currents and visibility between 10 and 60 metres. Water temperatures remain consistent, typically between 27 and 29 degrees Celsius, though thermoclines may occur in summer. Due to the significant depth and potential for overhead environments, this site is strictly for advanced divers who must manage risks including decompression and nitrogen narcosis.

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 Deep is an advanced drift dive located 10 kilometres off the coast of Puerto Aventuras. The site features a complex topography of walls, canyons, and large coral pinnacles. Divers typically explore depths between 15 and 40 metres, with visibility ranging from 20 to 35 metres. Due to moderate currents and overhead environments, this site requires precise buoyancy control and careful depth monitoring. Access is by boat only, and the site is suitable for experienced divers capable of managing deep profiles. Species recorded around this area include French angelfish, queen angelfish, nurse sharks, great barracuda, and various species of moray eels and stingrays.