Bartolome Island offers a diverse underwater topography featuring reefs, walls, pinnacles, and drop-offs. Divers can expect depths ranging from 10 to 40 metres, with an average depth of 10 metres. Access to this site is exclusively by boat. Conditions include moderate currents and visibility between 10 and 30 metres. Water temperatures fluctuate between 19C and 24C, with frequent thermoclines and cold water upwellings. Due to the potential for strong currents, down currents, and surge, this site is suited for intermediate divers. The site is also accessible for snorkelling. Facilities available include air fills, equipment rental, guided tours, and boat charters.

Cousin Rock is a pinnacle site in the Galapagos Islands, Ecuador, featuring a wall and reef topography. Divers can explore depths ranging from 2 to 30 metres, with an average depth of 18 metres. Access is strictly by boat, as the site is located 1000 metres from shore. Conditions vary, with visibility typically between 10 and 25 metres and moderate currents. Water temperatures generally range from 20 to 24 degrees Celsius, though upwelling can cause temperatures to drop to 16 to 17 degrees Celsius, with thermoclines often present near 25 metres. Due to the surge, currents, and potential for cold water, this site is suited for advanced divers.

Bartolomé and Cousin Rocks, located east of Santiago Island, offer a varied underwater topography featuring reefs, walls, and pinnacles. Divers and snorkellers encounter a platform at approximately 10 metres depth, which transitions into underwater cliffs beginning at 15 metres. The site is suitable for intermediate divers, with depths typically ranging from 10 to 18 metres. Access is strictly by boat. Conditions include moderate currents and visibility between 10 and 25 metres. Water temperatures fluctuate between 20C and 24C, with potential for significant thermoclines at depth. Hazards include cold water, surge, and strong currents. Guided tours are available for this site, which typically hosts 40-minute dives.

Rabida Island is a distinctive reef site in the Galapagos Islands, recognised for its rocky coastline and red sand beach. Divers and snorkellers can explore depths between 6 and 9 metres, making it suitable for beginners. The site features moderate currents and visibility ranging from 12 to 33 metres. Marine life commonly encountered includes California sea lions and various wrasses. Other species recorded at the site include whitetip reef sharks, king angelfish, razor surgeonfish, rock cod, blue-barred parrotfish, pufferfish, and cardinalfish. Divers should be aware of sea urchins and sharks in the area. Water temperatures fluctuate seasonally, typically ranging from 22 to 26 degrees Celsius.

Daphne is an exposed rock site located north of Santa Cruz Island in the Galapagos Islands. The topography features a mix of reef, wall, and pinnacle formations, including black coral walls and a small cave. Divers can expect depths between 5 and 30 metres, with an average of 18 metres. The site requires boat access and is suited for intermediate divers due to moderate currents. Marine life frequently encountered includes California sea lions and various wrasses. Less common sightings include whitetip reef sharks, Panamic green morays, jewel morays, King angelfish, rock cod, groupers, whiptail stingrays, barberfish, Guineafowl puffers, blue-barred parrotfish, soldierfish, and sea stars.

Itabaca Channel is a narrow waterway separating Santa Cruz and Baltra islands in the Galapagos. This reef site is suitable for intermediate divers and snorkellers, offering depths between 2 and 10 metres with an average of 6 metres. Conditions vary, with visibility ranging from 8 to 20 metres and moderate currents present. Thermoclines occur throughout the water column, and temperatures fluctuate seasonally between 21 and 26 degrees Celsius. Access is available via both shore and boat. Divers and snorkellers should remain aware of boat traffic and strong currents in the area. Comprehensive facilities including equipment rental, air fills, and rinse stations are available nearby.

Seymour Channel is a marine dive site in the Galapagos Islands offering a combination of reef, drift, and wall diving. Divers typically access the site by boat. The topography features depths ranging from 9 to 25 metres, with an average depth of 15 metres. Conditions include moderate currents and visibility between 10 and 30 metres. Water temperatures fluctuate between 20 and 24 degrees Celsius, though seasonal upwelling can introduce cooler temperatures and thermoclines. The site is suitable for beginners, with typical dives lasting around 45 minutes. Hazards to consider include surge, strong currents, and low visibility.

Cuatro Hermanos consists of four volcanic islets located off the east coast of Isabela Island. The site features dramatic underwater walls and caves that descend to depths between 7 and 40 metres. Due to converging ocean currents and upwelling, the site experiences strong currents, surge, and significant thermoclines. Water temperatures range from 19C to 24C, often resulting in cold conditions for divers. Visibility typically fluctuates between 10 and 30 metres. This site is suitable for advanced divers and requires boat access. Snorkelling is also rated highly here.