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.

Chen Rio is a shore-entry reef located in Puerto Aventuras, Mexico, offering depths ranging from 1 to 30 metres. The site features a mix of shallow areas suitable for snorkelling and deeper sections for divers. Visibility typically spans 10 to 30 metres, with water temperatures remaining between 27 and 30 degrees Celsius. Due to the presence of strong currents, visitors should monitor conditions carefully before entering. A cafe is available on-site, providing a convenient space to wait for optimal water conditions. The site is accessible to beginners, though caution regarding current strength is advised at all times.

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.

Chankanaab is a protected marine area located on Cozumel Island, Mexico, offering a diverse underwater environment that includes reefs, artificial structures, and caves. Divers can explore underwater statues of Christ and the Virgin Mary within a controlled setting. The site is suitable for beginners, with depths ranging from 3 to 16 metres and an average of 10 metres. Conditions are generally calm with mild currents and visibility between 15 and 30 metres. Shore entry is available, and the site provides comprehensive facilities including parking, showers, equipment rental, and guided tours. Night diving is permitted, and the area is well-regarded for snorkelling.

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.

Chankanaab Bolones is a reef site located off Puerto Aventuras, Mexico. The site features a reef structure at depths of 18 to 19 metres, with visibility reaching up to 30 metres. It is accessible only by boat and is suitable for beginner divers, though careful monitoring of depth and air consumption is necessary. The area experiences mild currents, which can influence the return to the boat. The site is also available for night diving. Facilities at the departure point include a dive shop, parking, toilets, showers, and changing rooms. It is recommended to book early morning trips to ensure the calmest conditions before afternoon winds.

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.

San Francisco Wall is a drift dive site located off Puerto Aventuras. The topography features a reef wall with depths ranging from 12 to 30 metres, averaging 18 metres. Divers encounter moderate currents and visibility between 15 and 30 metres. Marine life is diverse, with common sightings of French Angelfish, wrasses, Pacific Trumpetfish, Smooth Trunkfish, Blue Tang, Caribbean Spiny Lobster, Purple Sea Fan, Caribbean Ocean Surgeonfish, Oceanic Triggerfish, and Foureye Butterfly Fish. Less frequently, divers may spot Queen Angelfish, Nurse Sharks, Spotted Moray, and Great Barracuda. Due to the current and depth, this site is suited for intermediate divers. Boat access is required for all dives, which typically last 45 minutes.