Darwin Bay on the south coast of San Cristobal Island features a combination of reef, artificial reef, and wall topography. Suitable for beginners, the site reaches depths of 4 to 18 metres with an average of 10 metres. Access is by boat only, located 500 metres from the shore. Divers and snorkellers encounter California sea lions, which are very common, alongside wrasses and razor surgeonfish. Less frequently, visitors may spot king angelfish, blue-barred parrotfish, rock cod, pufferfish, scorpionfish, groupers, whiptail stingrays, barberfish, spotted eagle rays, jewel moray, and reef octopus. Conditions include mild currents and visibility ranging from 8 to 25 metres. Sea urchins are present as a hazard.

Pared de Tijeretas is a wall and reef site located on the south coast of San Cristobal Island, Ecuador. Divers typically explore this site by boat, with depths ranging from 12 to 30 metres and an average depth of 15 metres. The site features moderate currents and visibility between 10 and 25 metres. Marine life frequently encountered includes California sea lions and various wrasses. Divers may also spot King angelfish, Blue-barred parrotfish, Rock cod, and occasionally Spotted eagle rays, Jewel moray, Reef octopus, Groupers, Barberfish, Barracuda, Whiptail stingray, and Scorpionfish. Hazards include deep water, sea urchins, and sharks. Night diving is available at this location.

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.

Bahia de Tijeretas is a shallow reef and wall site on the south coast of San Cristobal Island. Suitable for beginners, the site features depths ranging from 5 to 25 metres with an average of 12 metres. Divers frequently encounter California sea lions, while wrasses are also common. Less frequent sightings include spotted eagle rays, reef octopus, jewel moray, king angelfish, razor surgeonfish, blue-barred parrotfish, rock cod, scorpionfish, pufferfish, groupers, whiptail stingray, and barberfish. Access is by boat, and the site experiences mild currents with visibility between 7 and 20 metres. Hazards include sea urchins and stonefish. Guided tours are available, and night diving is permitted.

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.

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.

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 Barranco on the South Coast of San Cristobal Island offers a varied underwater landscape consisting of a wall, reef, and cavern system. Divers typically explore between 8 and 18 metres, with an average depth of 12 metres. Access is by boat only, and the site is suited for intermediate divers due to moderate currents and potential surge. Visibility ranges from 8 to 25 metres, and thermoclines are common as cold and warm currents converge. Water temperatures fluctuate between 20C and 24C throughout the year. Hazards include boat traffic, jellyfish, sea urchins, and the overhead environment of the caverns.