Tankah Bay in Tulum features a combination of reef and cavern topography, distinguished by underwater springs known as ojos that bubble up from the seabed. Located 200 metres from the shore, the site offers depths ranging from 2 to 8 metres, with an average of 5 metres. It is suitable for beginners, though divers and snorkellers should be aware of moderate currents, potential low visibility, and the presence of crocodiles. Water temperatures remain warm throughout the year, between 27C and 30C. Species recorded around this area include green sea turtles, French angelfish, various stingrays, and wrasses. Facilities at the site include parking, a dive shop, and a rinse station.

Tankah II is a reef site located 500 metres offshore from Tulum, Mexico. This site is suitable for beginners, offering depths between 8 and 17 metres with an average of 12 metres. Divers and snorkellers experience mild currents and visibility ranging from 10 to 25 metres. The reef structure consists of hard and soft corals. Access is by boat only. Water temperatures remain warm throughout the year, between 27 and 30 degrees Celsius. Hazards include sharp coral and boat traffic, so divers should deploy a surface marker buoy during safety stops. Facilities at the site include parking, showers, a rinse station, and a dive shop providing air fills.

Tankah Reef is a shallow shore-entry site located 50 metres off the coast of Tulum, Mexico. The reef features an average depth of 5 metres, with a maximum depth of 8 metres, making it suitable for beginners. Divers typically experience mild currents and visibility ranging from 10 to 20 metres. Species recorded around this area include green sea turtles, French angelfish, Chupare stingrays, great barracuda, chain moray, Indian lionfish, wrasses, blue tang, whiptail stingrays, drum and croaker, purple sea fans, Caribbean ocean surgeonfish, foureye butterfly fish, and Atlantic tarpon. Hazards at this location include crocodiles, rip currents, and sharp coral. Facilities available include parking, toilets, showers, changing rooms, a rinse station, air fills, equipment rental, and guided tours.

Tankah Bay in Tulum is a sheltered marine site featuring a combination of reef and seagrass habitats. The bay is protected by a coral reef, which helps maintain relatively calm conditions for snorkelers. Depths range from 2 to 5 metres, with an average of 3 metres, making it suitable for beginners. Visibility typically spans 15 to 25 metres. Access is via the shore, though visitors should be aware of potential surf and boat traffic in the area. Facilities including a dive shop, cafe, and parking are available nearby. The site offers a quiet alternative for those looking to explore the local underwater environment.

Cuevitas is a reef and cavern site located in Tulum, Mexico, accessible via a five-minute boat ride. The site features open coral areas and coral arches that divers can swim through. With depths ranging from 8 to 14 metres and an average depth of 10 metres, it is suitable for divers of all experience levels. Conditions include mild currents and visibility between 10 and 30 metres. Water temperatures remain warm throughout the year, ranging from 27C to 30C. Divers should be aware of sharp coral present at the site. A typical dive here lasts approximately 50 minutes.

Casa Cenote in Tulum is a unique cavern and cave system featuring emerald green waters and a distinctive root forest. Divers and snorkellers experience a halocline layer where saltwater and freshwater meet, creating notable lighting effects. The site is suitable for beginners, with depths ranging from 2 to 10 metres and an average of 5 metres. Shore entry is available, and conditions typically feature mild currents and visibility between 10 and 40 metres. Marine life observed here includes Atlantic Tarpon, Caribbean Ocean Surgeonfish, wrasses, and various butterflyfish. Crocodiles are a known hazard at this location. Facilities include parking, toilets, changing rooms, and a cafe.

Dreams Reef in Tulum is a versatile site featuring a mix of wall, pinnacle, and drop-off topography. Located 500 metres from shore, the site sits at depths between 8 and 14 metres, with an average of 10 metres. Visibility ranges from 20 to 60 metres, allowing clear views of the hard and soft coral structures. The site experiences mild currents, making it suitable for beginners. Access is by boat only, and the area is suitable for both diving and snorkelling, including night dives. Divers should exercise caution regarding sharp coral and rock edges throughout the reef to avoid contact with the sea floor.

Dreamgate Cenote is a cavern and cave dive site located within the Sac Actun system near Tulum. This site features extensive rock formations, including stalactites and stalagmites, which require careful buoyancy control to avoid damage. Divers enter from the shore to explore depths ranging from 2 to 13 metres, with an average depth of 8 metres. The environment is characterised by an overhead ceiling and no currents, with visibility typically between 30 and 100 metres. Water temperatures remain stable between 27 and 30C throughout the year. Due to the overhead environment and fragile formations, this site is suited for advanced divers. Facilities on-site include parking, toilets, changing rooms, and showers.