Palancar Reef Dahlila is a reef and pinnacle site located 1600 metres offshore from Puerto Aventuras. The site features depths ranging from 6 to 18 metres, with an average depth of 25 metres. Divers and snorkellers access this location by boat. Conditions include moderate currents, which can become strong, and visibility typically spans 24 to 30 metres. Water temperatures remain warm throughout the year, ranging between 27 and 30 degrees Celsius. The site is suitable for intermediate divers and supports night diving, with a typical dive duration of 60 minutes.

Columbia Shallows is a shallow section of the extensive Columbia Reef, offering a high-quality snorkeling experience. The site features large coral heads and Caribbean barrel sponges in depths ranging from 5 to 15 metres, with an average depth of 8 metres. Snorkellers can observe common species such as whiptail stingrays and schoolmaster snapper, alongside less frequent sightings of French and queen angelfish, rock beauty, groupers, boxfish, and Caribbean spiny lobsters. Access is by boat only. Conditions are generally mild, though the area occasionally experiences temperature fluctuations due to chilly fresh water inflow from the nearby lagoon. Visibility typically ranges between 3 and 12 metres.

Palancar Bricks is a diverse marine site featuring a reef, wall, drift, cave, and canyon topography. Located near Cozumel Island, this site requires boat access and is suited for intermediate divers due to moderate currents and depths ranging from 5 to 37 metres, with an average of 23 metres. Divers may encounter nurse sharks, whiptail stingrays, and cushion sea stars. Other species recorded include French and queen angelfish, rock beauty, great barracuda, Indian lionfish, Caribbean spiny lobster, and various reef fish. Visibility typically ranges between 10 and 30 metres. Hazards include boat traffic, deep sections, sharp coral, and strong currents. Night diving is permitted at this location.

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.

Palancar Horseshoe is a reef and wall site located near Puerto Aventuras, Mexico. This drift dive features a depth range of 9 to 30 metres, with an average depth of 20 metres. Divers should expect moderate currents and visibility ranging from 20 to 35 metres. The site is suitable for intermediate divers and requires boat access. Hazards include boat traffic, potential for decompression, nitrogen narcosis, and sharp coral. Water temperatures remain warm throughout the year, typically between 27 and 30 degrees Celsius. Night diving is permitted at this location.

El Cielo is a shallow sandbar located 800 metres from shore, accessible only by boat. This site features a sandy bottom and seagrass beds at an average depth of two metres. It is well-suited for beginners, offering mild currents and warm water temperatures ranging from 27C to 30C. Snorkellers frequently encounter Cushion Sea Stars, Great Barracuda, and Whiptail Stingrays. Other species recorded here include Nurse Sharks, French and Queen Angelfish, Caribbean Spiny Lobster, and various wrasses. Be aware that jellyfish may be present in the water. The site is highly rated for snorkelling, with typical sessions lasting around 30 minutes.

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.

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.