Arroyo is a boat-accessible site located 10 kilometres off San Carlos, Mexico, featuring a combination of reef, wall, and drift diving. The topography ranges from 9 to 35 metres, with an average depth of 25 metres. Divers frequently encounter California sea lions, groupers, and sea stars, while less common sightings include Panamic green morays, jewel morays, scorpionfish, jawfish, spiny lobsters, razor surgeonfish, wrasses, arrow crabs, hawkfish, Panamic cushion stars, and various snails. The wall also hosts black coral. Conditions include mild currents and visibility between 5 and 20 metres. Due to significant drop-offs and variable visibility, this site is suited for intermediate divers capable of managing deep profiles.

Rabijunco is a reef dive located off San Carlos, Mexico, accessible only by boat. The reef structure extends from the surface to a maximum depth of 23 metres, providing a suitable environment for beginner divers. Conditions feature mild currents, though water visibility varies significantly. Divers frequently encounter California sea lions, while other recorded species include Panamic green morays, king angelfish, jewel morays, spiny lobsters, scorpionfish, groupers, jawfish, arrow crabs, wrasses, sea stars, Sally Lightfoot crabs, snails, and chromis. Due to the 11-degree annual temperature fluctuation, divers should confirm appropriate wetsuit thickness with a local operator before departure. Maintain a safe distance from all marine life, as dangerous species are present in the area.

North Wall in San Carlos is a reef and wall site that begins at a shallow depth of 5 metres and descends to 23 metres. The site is accessible by boat and is suitable for intermediate divers. Conditions include mild currents and variable visibility, requiring careful monitoring of depth. The wall features recesses that are best explored with a torch to observe nudibranchs, gobies, blennies, and black coral. Night diving is permitted, offering a different perspective of the reef structure. Water temperatures fluctuate seasonally between 17 and 28 degrees Celsius, making the site accessible throughout the year.

Chayo’s Cave in San Carlos offers an introduction to overhead environments, combining a natural cave structure with an artificial reef. Divers explore depths between 9 and 17 metres, with visibility ranging from 10 to 25 metres. The site features mild currents, making it manageable for beginners, though the overhead environment requires careful buoyancy control and awareness of the ceiling. Access is by boat only, and a torch is recommended for exploring the cave interior. Water temperatures fluctuate significantly throughout the year, ranging from 17 to 30 degrees Celsius, necessitating appropriate thermal protection based on the season. Night diving is permitted at this location.

Bob's Mistake is a shallow reef located off San Carlos, Mexico, reaching depths of 18 metres. The site is suitable for beginners due to its mild currents and manageable topography. Divers can explore the reef structure, which includes sandy patches and crevices. Access to this site is by boat only. Water temperatures fluctuate significantly throughout the year, ranging from 17 degrees Celsius in winter to 29 degrees Celsius in late summer. Visibility is variable, so it is recommended to check with local operators for current conditions before planning a dive. A 5mm wetsuit is advised during the cooler months to maintain comfort.

Morro is a diverse boat-access site located 1000 metres off the coast of San Carlos, Mexico. This site features a combination of reef, pinnacle, wall, and cave topography. Divers can expect depths ranging from 8 to 23 metres, with an average depth of 18 metres. Visibility typically spans 15 to 30 metres, allowing for clear observation of the underwater structures. The site is subject to moderate currents, which can strengthen, and thermoclines are present throughout the water column. Due to the significant depth, potential for strong currents, and shark presence, this site is recommended for intermediate divers. Always confirm current conditions with your charter operator and plan your profile carefully.

Turner Island is a challenging reef site located off San Carlos, Mexico, defined by strong currents that require expert-level buoyancy and navigation skills. Divers typically explore depths between 20 and 35 metres. Visibility is limited, ranging from 5 to 10 metres, necessitating careful planning. Water temperatures fluctuate significantly throughout the year, from 16C in the spring to 27C in late summer, with potential thermoclines. Access is strictly by boat, and divers must be self-sufficient. Due to the intensity of the currents, which can shift rapidly, maintaining close proximity to the boat during entry and exit is essential for safety.

El Choyudo is a boat-access reef dive located off San Carlos, Mexico. The site features depths ranging from 20 to 30 metres and visibility typically between 5 and 10 metres. Divers should expect moderate currents throughout the dive, making it suitable for intermediate skill levels. Water temperatures fluctuate seasonally between 17C and 28C, requiring careful selection of exposure protection. Hazards at this location include the presence of jellyfish and sharks. Shore facilities near the departure point include parking, toilets, showers, a cafe, and equipment rental services. Divers are advised to follow boat captain briefings regarding current conditions and to consider timing dives around slack water.