Escalones is a boat-accessible site off Mahahual featuring a diverse topography of reef, wall, and canyon structures. The site is suitable for beginners, offering mild currents and visibility ranging from 20 to 40 metres. Divers can explore depths between 15 and 33 metres, with an average depth of 17 metres. Because the wall drops into deeper water, it is essential to monitor bottom time and depth gauges closely during the typical 57-minute dive. Water temperatures remain consistent between 27 and 30 degrees Celsius throughout the year. As facilities in Mahahual vary, confirm boat and guide availability before arrival.

Los Escalones, or The Steps, is a terraced reef formation located 30 metres from the shore in Mahahual. The topography features coral ledges that drop from 8 to 25 metres, with an average depth of 17 metres. Divers and snorkellers can encounter Indian Lionfish, wrasses, Round Stingray, Blue Tang, and Purple Sea Fans. Less frequently, visitors may spot Great Barracuda, French Angelfish, Nurse Shark, Chupare Stingray, Gray Angelfish, Reef Squid, Caribbean Spiny Lobster, Porcupinefish, and Foureye Butterfly Fish. The site experiences mild currents and visibility ranging from 20 to 30 metres. Hazards include boat traffic, sharp coral, jellyfish, and the depth of the site.

Simio Bipolar is a reef and artificial reef site located off Mahahual, Mexico. The site features a depth range of 9 to 15 metres and is suitable for beginner divers due to its mild currents. The artificial reef structures provide additional texture and surfaces for coral growth, complementing the natural reef topography. Water temperatures are warm, typically between 27 and 30 degrees Celsius. Access to this site is exclusively by boat, and visibility can be variable. Divers should confirm departure arrangements with a local boat operator in advance, as there are no walk-in services available at the site.

Mahahual Reef is a marine site located 400 metres offshore from Mahahual, Mexico. This reef system is suitable for beginners, with depths ranging from 5 to 18 metres and an average depth of 12 metres. Divers typically experience mild currents and visibility between 20 and 30 metres. Access to the site is by boat only. Water temperatures remain warm throughout the year, fluctuating between 27 and 30 degrees Celsius. Typical dives last approximately 45 minutes. Divers should be aware of boat traffic in the area and take care to avoid contact with sharp coral structures.

Faro Nuevo is a reef site located 2500 metres off the coast of Mahahual, Mexico. Suitable for beginners, the site features depths ranging from 12 to 18 metres with an average of 15 metres. Divers experience mild currents and visibility between 20 and 40 metres. Marine life observed here includes French and Gray Angelfish, Blue Tang, wrasses, Bluestriped and French Grunts, Schoolmaster Snapper, and various crustaceans such as crabs and hermit crabs. Purple Sea Fans are also present. Access is by boat only. Divers should be cautious of sharp coral and boat traffic, and are advised to use a surface marker buoy when surfacing.

Mahahual Beach (Malecon North) offers accessible shore-entry snorkelling directly from the town boardwalk. The site features a shallow lagoon protected by a reef crest, forming a sheltered area with patches of seagrass and small coral heads. Depths typically range from 2 to 4 metres, with an average of 3 metres. Conditions are generally mild, though visibility varies between 20 and 30 metres. This site is suitable for beginners, with water temperatures ranging from 27C to 30C throughout the year. Divers and snorkellers should remain aware of boat traffic, jellyfish, sea urchins, and sharp coral in the area. Equipment rental and guided tours are available locally.

Jardin is a reef site located 1500 metres off the coast of Mahahual, Mexico. Accessible only by boat, the site features an average depth of 15 metres, ranging between 12 and 18 metres. Divers typically experience mild currents and visibility reaching 30 metres. The water temperature remains warm throughout the year, between 27 and 30 degrees Celsius. The site is suitable for beginner divers. Hazards include the presence of jellyfish in the water column and sharp coral formations on the reef structure. Divers should exercise caution during descent and ascent to avoid contact with these hazards.

Piratas is a reef site located near Mahahual, Mexico, characterized by intricate coral gardens and underwater canyons. The site is accessible by boat and is suitable for intermediate divers. Snorkellers can explore the shallow sections of the reef, which offers a high rating for surface observation. Water temperatures at this location range between 27C and 30C throughout the year. As a reef environment, the site supports a variety of marine life typical of the region, though specific species observations are not recorded for this location. The topography features distinct canyon structures that provide a varied underwater landscape for visitors.