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.

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.

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.

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.

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 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.

Nohoch Nah Chich is a shallow cave system in Tulum, Mexico, featuring depths between 1 and 7 metres. This freshwater environment offers visibility ranging from 15 to 100 metres. The site is accessed from the shore, with parking and a cafe available on-site. Divers must possess cave diving certification to navigate the overhead environment, as no natural light penetrates the deeper passages. Divers should carry at least one primary torch and a backup. The cave supports a low-light ecosystem containing algae, cave shrimp, and small freshwater fish. Maintain precise buoyancy control to avoid contact with the cave structure, as there is no direct ascent to the surface.

Coquitos is a shallow reef and cave site located off the coast of Tulum. The site features a series of small caves suitable for exploration, with an average depth of 7 metres and a maximum depth of 12 metres. Conditions are generally mild, with visibility ranging from 10 to 30 metres. Access to the site is by boat only. It is well-suited for beginners, with typical dive times around 50 minutes. Species recorded around this area include green sea turtles, French angelfish, great barracuda, Indian lionfish, whiptail stingrays, and various wrasses. Divers should be aware of boat traffic and sea urchins in the area.