Blue Ha Reef is a marine site located off Mahahual, Mexico, suitable for intermediate divers. The reef topography spans depths of 10 to 25 metres, with an average depth of 15 metres. Access is exclusively by boat. Divers can expect mild currents and visibility ranging from 10 to 30 metres. Water temperatures remain warm throughout the year, fluctuating between 27 and 30 degrees Celsius. Species recorded around this area include Indian Lionfish, Great Barracuda, French Angelfish, Nurse Shark, Chupare Stingray, Purple Sea Fan, Wrasses, Round Stingray, Blue Tang, Caribbean Spiny Lobster, Porcupinefish, Gray Angelfish, Caribbean Ocean Surgeonfish, and Reef Squid. A surface marker buoy is recommended for safe ascents due to local boat traffic.

Tritones is a boat-access reef located off Mahahual, Mexico, featuring a reef structure that descends from 10 to 30 metres. Divers typically experience visibility between 30 and 50 metres, allowing for clear navigation of the site. The area is subject to moderate currents that can strengthen, requiring intermediate buoyancy skills to avoid contact with sharp coral and rock formations. Dives here generally last around 50 minutes. Local facilities include air fills, equipment rental, and a dive shop, supporting day trips to the reef. Divers should plan their route to work against the current during the outbound leg to ensure an easier return.

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.

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.

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.

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.

Acuario is a shallow reef site located off Mahahual, Mexico, ideal for both divers and snorkellers. The reef topography ranges from 5 to 13 metres in depth, with an average of 8 metres, providing excellent visibility between 15 and 30 metres. Conditions are generally manageable with mild currents and water temperatures ranging from 27 to 30C. Access to the site is by boat only. Divers and snorkellers should be aware of potential surge and sharp coral formations, requiring careful positioning. Due to local boat traffic, it is essential to remain vigilant near the surface and use a signal tube when ascending.