Octubre Rojo is a reef mountain located off the Cartagena Coast, requiring boat access for all dives. The site is suited for advanced divers, with depths ranging from 20 to 50 metres and an average depth of 30 metres. Divers should be prepared for moderate currents and maintain good air consumption during the typical 45-minute dive. Visibility is high, generally between 24 and 30 metres. Water temperatures remain consistent throughout the year, ranging from 26 to 29 degrees Celsius. Divers should exercise caution regarding sharp coral present on the reef structure.

Isla Baru, located off the Cartagena Coast, offers diverse underwater topography including reefs, walls, and artificial reefs featuring sunken ships. This site is suitable for beginners, with depths ranging from 5 to 11 metres and an average depth of 8 metres. Access is strictly by boat, as the site is situated 4500 metres from the shore. Divers and snorkellers can expect mild currents and visibility between 10 and 20 metres. Water temperatures remain warm throughout the year, ranging from 28C to 30C. Typical dives last approximately 40 minutes. Hazards include boat traffic and sharp coral, requiring careful navigation during entry and exit.

Jardín De Medusas is a reef dive site located off the Cartagena Coast in Colombia. The site features a consistent depth of approximately 10 metres, making it suitable for beginner divers. Access to the site is by boat, with typical dives lasting around 45 minutes. Conditions are generally stable, with mild currents and visibility ranging between 20 and 30 metres. Water temperatures are warm throughout the year, fluctuating between 28C and 30C. As a reef environment, the site provides a typical Caribbean marine habitat, though specific species observations are not recorded for this location.

Imelda is a distinct underwater mountain located 200 metres off the Cartagena Coast. This site features a reef, wall, and pinnacle topography, spanning approximately 50 metres in diameter. Divers can explore depths ranging from 15 to 40 metres. Access is strictly by boat due to the site's offshore location. Conditions are variable, with potential currents and boat traffic requiring intermediate diving skills. Species recorded around this area include French Angelfish, Green Moray, Striped Parrotfish, Blue Tang, and various wrasses, alongside invertebrates like Christmas Tree Worms and Sally Lightfoot Crabs.

Playa Palitos is a coral reef site located off the Cartagena Coast, Colombia. Situated at the exit of a reef lagoon, the site features a slight drop-off that makes it suitable for introductory diving and shallow training exercises. Divers and snorkellers can explore depths ranging from 4 to 24 metres, with an average depth of 12 metres. Access to the site is by boat, located 10 kilometres from the shore. Conditions are generally mild with visibility between 10 and 15 metres and water temperatures ranging from 28 to 30C. Hazards include jellyfish, sea urchins, and sharp coral. Typical dives last approximately 50 minutes.

Cuevas is a reef site located off the Cartagena Coast, featuring a mix of plains, vertical walls, and small caves. The topography allows for diving at depths between 5 and 24 metres, with an average depth of 20 metres. Access is by boat only, approximately 10 kilometres from the shore. Conditions are generally mild, with visibility ranging from 5 to 20 metres and water temperatures between 28 and 30C. The site is suitable for beginners, though divers should be aware of overhead environments and the presence of lionfish, sharks, and stonefish. Species recorded around this area include French Angelfish, Blue Tang, wrasses, parrotfish, and various invertebrates.

La Virgen is a shallow reef plain located off the Cartagena Coast in Colombia. The site features a submerged statue of the Virgin of Carmen, which sits at a depth of 7 metres. Divers can explore the reef at depths ranging from 5 to 20 metres, with an average depth of 10 metres. Access to this site is by boat only. Conditions are generally mild, though divers should remain aware of boat traffic in the area. This site is suitable for beginner divers looking to explore a reef environment.

Puerto Naito Baru is a reef site located off the Cartagena Coast of Colombia. The site features a reef structure ranging from 1 to 15 metres in depth, with an average depth of 3 metres. Conditions are generally comfortable, with mild currents and visibility reaching 30 metres. Water temperatures remain consistent between 28 and 30 degrees Celsius throughout the year. Access to the site is by boat only. The area is suitable for both snorkellers, who can explore the shallower sections, and open water divers. Facilities including air fills, equipment rental, and guided tours are available locally. Divers should exercise caution regarding sharp coral, rocks, boat traffic, and sharks.