El Horno is a reef dive site located 40 kilometres from the shore of Gorgona Island, Colombia. This site is accessible only by boat and is suitable for beginner divers. The average depth is 11 metres. Divers should be prepared for moderate currents and potential hazards including sharks and strong currents. Visibility at the site generally ranges between 15 and 30 metres. Water temperatures typically fluctuate between 25 and 28 degrees Celsius, though conditions vary with potential temperature drops to between 11 and 14 degrees Celsius recorded between January and March, alongside thermoclines around 24 degrees Celsius.

Montañita Ii is a reef site located 2000 metres off the coast of Gorgona Island, Colombia. Accessible only by boat, this site features an average depth of 10 metres, with a range between 8 and 11 metres. Divers should be prepared for moderate currents and visibility that fluctuates between 3 and 10 metres. The site is suited for intermediate divers, with typical dives lasting around 45 minutes. Hazards include the presence of sharks and strong currents. Species recorded around this area include Panamic Green Moray, Flower Urchin, White-spotted Puffer, Spiny Lobster, Rock Cod, Spotted Boxfish, Triggerfish, Wrasses, Barberfish, Guineafowl Puffer, Bluefin Trevally, Groupers, Arrow Crab, and Pixy Hawkfish.

Gorgona Island offers a challenging marine environment featuring both reef and wreck topography. Located 28 kilometres from the shore, this site requires boat access and is suited for intermediate divers due to strong currents and depths ranging from 12 to 40 metres, with an average of 22 metres. Visibility varies between 10 and 30 metres. Species recorded around this area include Panamic Green Moray, Flower Urchin, groupers, rock cod, scorpionfish, spiny lobster, white-spotted puffer, wrasses, guineafowl puffer, bluefin trevally, arrow crab, barberfish, spotted boxfish, and triggerfish. Night diving is available at this location, which is supported by local dive shops and guided tours.

El Muelle, or The Pier, is located on Gorgona Island and features an artificial reef structure formed by the pilings of an old prison pier. This site offers shore access and is suitable for beginners, with depths reaching up to 33 metres. Snorkellers can explore the area around the pier pilings and adjacent rocky patches. Conditions at the site are variable, with visibility typically ranging between 9 and 10 metres and water temperatures between 27 and 29C. Divers and snorkellers should be aware of potential hazards including boat traffic, jellyfish, sharks, sharp coral, surf, and moderate currents.

Gorgona Wall is a reef and wall site located off Gorgona Island, Colombia. The topography features a shallower reef zone that transitions into a wall dropping into deeper water. Divers access the site directly from the shore, where managing surf and shore break is necessary for a successful entry and exit. Conditions are variable, with visibility ranging from 3 to 10 metres and water temperatures between 27 and 29 degrees Celsius. Moderate currents are typical, though stronger flows can develop, requiring solid buoyancy control. Due to the challenging entry and potential for strong currents, this site is best suited for intermediate divers.

El Planchon is a wreck and reef site located 1000 metres off the coast of Gorgona Island. The site features a wreck structure that creates an overhead environment, requiring intermediate skill levels due to the presence of strong currents. Divers can expect depths ranging from 12 to 24 metres, with an average depth of 18 metres. Visibility at the site fluctuates between 10 and 30 metres. Water temperatures range from 24C to 29C, with a seasonal thermocline that shifts significantly throughout the year. Access to the site is by boat only, and guided tours are available for those exploring the area.

Yundigua is a sheltered reef site located on Gorgona Island, Colombia, accessible via a jungle trail. This site is suitable for beginners and offers excellent conditions for snorkelling, with an average depth of 3 metres and a maximum depth of 5 metres. Visibility typically ranges between 10 and 30 metres, and water temperatures remain warm throughout the year, between 27 and 29 degrees Celsius. The site features mild currents and is serviced by guided tours, a dive shop, and a nearby cafe. Hazards at this location include jellyfish, sea urchins, and sharp coral. Typical snorkel sessions last approximately 60 minutes.

El Remanso is a reef drift dive located off Gorgona Island, Colombia, designed for intermediate divers. The site features a reef structure spanning depths between 12 and 33 metres. Divers experience moderate currents that can shift, requiring solid buoyancy control and current awareness. Visibility typically ranges from 10 to 30 metres. Access is by boat only, and the use of a surface marker buoy is essential for this drift dive. Water temperatures fluctuate between 24 and 29 degrees Celsius throughout the year. Hazards include sharks and strong currents; divers should monitor their equipment to avoid entanglement on the reef structure and avoid overhead environments without proper training.