Roca Ballena is a reef dive site located 800 metres off the South Coast of San Cristobal Island. Accessible only by boat, this site is suited for intermediate divers. The topography features a reef environment with depths ranging from 10 to 20 metres, averaging 18 metres. Divers should be prepared for moderate currents, and visibility fluctuates between 5 and 25 metres. Water temperatures remain between 20C and 24C throughout the year. As a boat-based dive, it requires coordination with local operators for access to the site.

Ocho is a complex site on the South Coast of Ecuador, offering a diverse topography of reef, wall, and pinnacle structures. Designed for advanced divers, the site ranges from 8 to 60 metres in depth with an average of 25 metres. Divers must be prepared for strong currents, surge, and variable visibility between 10 and 30 metres. Water temperatures fluctuate between 19C and 24C, necessitating the use of 5-7mm wetsuits, hoods, or drysuits. Access is strictly by boat. Due to the challenging conditions and potential for deep, low-visibility dives, this site requires significant experience and careful briefing with liveaboard crew regarding current changes and emergency procedures.

Playa Mann is a shore-accessible reef site located on the south coast of San Cristobal Island, Ecuador. Situated near the university in Puerto Baquerizo Moreno, this site is suitable for beginners and offers depths ranging from 1 to 10 metres, with an average depth of 5 metres. Snorkellers can expect mild currents and visibility between 10 and 20 metres. Water temperatures fluctuate between 22C and 27C throughout the year. Facilities available at the beach include parking, toilets, showers, changing rooms, a cafe, and first aid services. Potential hazards at this location include jellyfish and sea urchins.

Caragua Wreck is a marine site located off the South Coast of San Cristobal Island, Ecuador. This site features a wreck that functions as an artificial reef. Divers can expect depths ranging from 6 to 30 metres, with an average depth of 13 metres. Access is strictly by boat. Conditions vary, with visibility between 8 and 25 metres and moderate currents. Divers should be aware of strong currents and the potential for a thermocline, which can cause significant temperature drops at depth compared to the surface. Water temperatures typically range from 19C to 24C. This site is suited for intermediate divers.

Muelle Tijeretas is a protected cove on the south coast of San Cristobal Island, offering both reef and wall topography. Divers and snorkellers access the water from a wooden dock, with depths ranging from 1 to 15 metres and an average depth of 8 metres. The site is suitable for beginners, featuring mild currents and visibility between 7 and 20 metres. Water temperatures fluctuate between 21C and 25C throughout the year. Hazards at this location include sea urchins and sharp coral. Guided tours and dive shop facilities are available, and the site is reached via a hike from town.

El Susstro is a marine dive site located along the South Coast Sites of San Cristobal Island, Ecuador. Divers typically experience depths ranging between 15 and 17 metres. Water temperatures at this location fluctuate between 21C and 25C throughout the year. Species recorded around this area include California sea lions, spotted eagle rays, king angelfish, jewel moray, reef octopus, rock cod, blue-barred parrotfish, groupers, razor surgeonfish, wrasses, scorpionfish, pufferfish, barracuda, and barberfish. The site is suitable for divers looking to explore the underwater topography of the South Coast.

Cuevas De Los Corales is a marine cave and reef site located off the south coast of San Cristobal Island. Divers access the site by boat, following a surface line down to the cave entrance at the seabed. The site features depths ranging from 10 to 30 metres, with an average depth of 20 metres. Conditions are variable, with visibility between 8 and 30 metres and water temperatures fluctuating from 19 to 24C. Due to strong currents, surge, and potential down currents, this site is suited for intermediate divers. Divers should be cautious of sharp coral structures within the cave environment.

Caragua is a 100-metre steamship wreck that sank in 1916, located off the South Coast of San Cristobal Island. The vessel rests at depths between 10 and 14 metres, with mineral coal from the cargo still visible on the seabed. The structure has been altered by environmental exposure over time. This site is accessible by boat and suitable for beginners, though divers and snorkellers should be prepared for moderate currents and potential thermoclines. Visibility at the site typically ranges from 5 to 15 metres. Water temperatures fluctuate between 21 and 25C, and the site is suitable for night diving.