Arbolitos is a shore-entry reef and kelp forest site located at the Coronado Islands. Divers can explore depths ranging from 1 to 20 metres, making it suitable for beginners. The site features a moderate current and visibility typically between 3 and 10 metres. Water temperatures fluctuate between 14 and 19 degrees Celsius throughout the year. Shore entry requires caution due to surf, shore break, and the presence of sharp coral and sea urchins on the rocks. Species recorded around this area include California sea lions, harbour seals, scorpionfish, spiny lobsters, and various sea stars and nudibranchs. On-site facilities include parking, toilets, showers, changing rooms, a rinse station, and a cafe.

Roca Blanca in the Coronado Islands is a challenging site suited for advanced divers with deep diving experience. The topography consists of walls, caves, and drop-offs that descend to a maximum depth of 50 metres, with an average depth of 20 metres. Access is by boat only. Divers should be prepared for cold water temperatures ranging from 13C to 15C throughout the year. Conditions vary, with visibility typically between 9 and 24 metres and moderate currents. Due to the depth, overhead environments, and potential for strong currents, this site requires careful planning and appropriate certification.

Campo 7 sección 1 is a wall dive located at the Coronado Islands. The topography features a vertical wall that descends to depths of 80 metres before transitioning into a sandy bottom. Due to the significant depth and variable currents, this site is reserved for advanced divers. Access is strictly by boat. Water temperatures are cold, ranging from 11C to 15C throughout the year. Species recorded around this area include California sea lions, harbour seals, scorpionfish, sea stars, ochre sea stars, sea hares, snails, and striped shore crabs. Divers should remain aware of boat traffic and the challenging conditions associated with deep, cold-water wall diving.

Roca el Aguila is a challenging dive site located in the Coronado Islands, Mexico. This site features a complex topography consisting of a pinnacle, wall, and cave system. It is strictly for advanced divers due to the significant depth range of 21 to 46 metres and the presence of moderate currents. Access to this site is by boat only. Divers should be prepared for cold water temperatures, which range between 13C and 15C throughout the year. The site presents hazards including deep water and strong currents, requiring appropriate experience and careful planning for all underwater activities.

Isla Todos Santos in the Coronado Islands offers a diverse underwater environment featuring reefs, walls, and wreck sites. Located 18.5 kilometres from shore, this site requires boat access and is suited for intermediate divers. The topography reaches depths of up to 35 metres. Divers should be prepared for moderate currents and water temperatures ranging from 14C to 17C throughout the year. Typical dives last approximately 40 minutes. Hazards at this location include sea urchins and sharp coral. Due to the nature of the environment and currents, this site is best suited for those with previous experience in open water conditions.

El Reef is a drift dive site located in the Coronado Islands, Mexico. This site is suited for advanced divers due to the presence of moderate to strong currents. The topography consists of a reef reaching depths of up to 30 metres. Visibility at the site fluctuates significantly, ranging from 5 to 30 metres depending on conditions. Access to the site is by boat only. Water temperatures are cool, ranging between 14C and 17C throughout the year. Divers should be prepared for the potential of strong currents during their visit.

Bajo de San Miguel is a pinnacle site located in the Coronado Islands, Mexico. This site is suited for advanced divers due to the strong currents frequently encountered in the area. The topography consists of rock formations that reach depths of up to 24 metres. Access to this site is by boat only. Water temperatures at this location range from 15C to 19C throughout the year. Divers should be prepared for challenging conditions, particularly the strong currents that characterise this marine environment.