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.

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.

Elizabeth Bay, located on the western coast of Isabela Island, features a combination of reef structures and pinnacles. Divers and snorkellers can explore depths between 12 and 20 metres, though the bottom profile descends to 25 metres. The site is subject to moderate currents and surge, requiring solid buoyancy control. Visibility typically ranges from 15 to 30 metres, though it can drop significantly to between 1 and 8 metres. Cold water upwelling from the Cromwell Current often creates thermoclines. Access is by boat only, and the site is suited for intermediate skill levels. The habitat supports a variety of reef fish and invertebrates typical of the Galapagos region.

Urbina Bay is a unique site defined by a significant 1954 geological uplift that left coral reefs stranded on land. Located at Isabela and Fernandina Islands, this reef and drift site offers shallow diving with an average depth of 3 metres, ranging between 1 and 5 metres. Divers and snorkellers should be prepared for strong currents and surf conditions, with visibility typically between 3 and 10 metres. Water temperatures fluctuate between 21C and 27C due to the influence of the Cromwell Current upwelling. Access is available via both shore and boat entries, making it suitable for beginners looking to explore this geologically significant area.

Pinzón Island, also known as Duncan Island, offers a varied underwater landscape featuring reefs, walls, and drop-offs. This site is suited for intermediate divers and snorkellers, with depths ranging from 10 to 60 metres and an average depth of 18 metres. Access is exclusively by boat, as the site is located approximately 9.6 kilometres from shore. Divers should be prepared for strong currents and deep water conditions, with visibility typically between 10 and 25 metres. Water temperatures fluctuate between 19 and 24 degrees Celsius, and thermoclines are common throughout the area. Typical dives last around 60 minutes.

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.

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 is a marine dive site located in the Galapagos Islands, Ecuador. The site features a consistent depth of approximately 13 metres. Water temperatures at this location vary throughout the year, ranging from 20C in August to 25C during the warmer months of February, March, and April. Given the medium confidence in site data, divers should anticipate variable conditions. This site is suitable for those looking to explore the underwater topography of the Galapagos region. As no specific species data is available for this location, divers should focus on the general marine environment and volcanic formations characteristic of the area.