Cenote Pet Cemetery is a cavern and cave system located near Tulum, Mexico, forming part of the second longest underground river system in the world. The site is characterised by shallow depths averaging 3 metres, with a maximum depth of 7 metres. Divers and snorkellers can explore rock formations including columns, stalagmites, and stalactites. The site is accessed via a shore entry and offers visibility ranging from 10 to 30 metres. Due to the overhead environment, divers should be aware of entanglement hazards. Facilities available at the site include parking, toilets, showers, and changing rooms.

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.

Taak Bi Ha is a cenote cave and cavern system located in Akumal, Mexico. This site features shallow depths ranging from 1 to 7 metres with an average of 5 metres. Divers and snorkellers experience consistent visibility of 30 metres in water temperatures between 27 and 30C. The site is accessed via a shore entry and is suitable for advanced divers due to the overhead environment. Current is mild throughout the passages. Facilities on site include parking, toilets, showers, changing rooms, and equipment rental. Divers should carry at least two independent lights as natural light is limited within the cave system.

Cenote El Pit in Akumal is a deep cavern and cave site known for its dramatic light entries and geological formations. Divers navigate through a strong halocline and encounter a hydrogen sulphide cloud at depth. The site features significant speleothems and historical remains of ice age mammals. With depths ranging from 10 to 40 metres, averaging 30 metres, this site is suited for advanced divers. Entry is possible from both shore and boat, with mild currents and visibility between 30 and 100 metres. Water temperatures remain consistent between 27 and 29C throughout the year. Facilities include parking, toilets, showers, changing rooms, and guided tours.

Cenote Dos Ojos, located near Akumal, consists of two large open pools connected by wide cave passages and chambers. This site is part of an extensive underground river system, offering divers light effects as they approach the openings. The environment is a cavern and cave system with depths ranging from 8 to 14 metres, averaging 7 metres. Divers enter from the shore, 2000 metres from the main road. Conditions include mild currents and visibility between 30 and 100 metres. Water temperatures remain stable between 27 and 30C throughout the year. Facilities on-site include parking, toilets, showers, changing rooms, a cafe, and a dive shop.

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.

Cenote Dos Palmas is a freshwater cave system located near Akumal. This shore-entry site features depths reaching 10 metres, with a mild current throughout the passages. The site is characterised by an overhead environment that requires careful buoyancy control to avoid entanglement in the cave structure. Visibility varies significantly, ranging from 10 to 100 metres. Due to the restricted nature of the cave, this site is suited for intermediate divers with advanced certification. Divers should carry both primary and backup torches, as light penetration decreases rapidly in the inner sections. Facilities on site include parking and toilets.

Cenote Nicte Ha is a freshwater cavern system near Akumal, offering shallow dives between 5 and 8 metres. The site features an overhead environment with visibility ranging from 15 to 30 metres, allowing sunlight to penetrate the water column. Divers enter from the shore to explore the cavern, which includes water lilies near the surface and darker sections requiring overhead environment training. While the ambient current is generally mild, it can become a hazard in specific zones. Facilities available on-site include parking, toilets, showers, and changing rooms. Species recorded around this area include green sea turtles, French angelfish, and various moray eels.