Bajo de las Mantas is a shallow submerged reef plateau located off the Cartagena coast. The site features sandy patches interspersed between coral heads, reaching depths of 5 to 15 metres with an average of 10 metres. Visibility typically ranges from 15 to 30 metres, and currents are generally mild. Access is by boat only, with a typical visit lasting 45 minutes. The site is suitable for beginners and offers a high-quality snorkelling experience. Species recorded around this area include blue tang, striped parrotfish, wrasses, stoplight parrotfish, round stingray, Spanish hogfish, foureye butterfly fish, and great barracuda. Hazards include sharp coral and the presence of lionfish.

Caribaru is a reef and wall site located 500 metres off the Cartagena Coast. Divers and snorkellers access this site by boat, which is required for entry. The site features depths ranging from 13 to 31 metres, with an average depth of 13 metres. Conditions are generally suitable for intermediate skill levels, with mild currents and visibility between 10 and 30 metres. Water temperatures remain consistent, typically between 28 and 30 degrees Celsius. Night diving is available at this location. Hazards include the presence of jellyfish. Species recorded around this area include various parrotfish, wrasses, blue tang, and butterfly fish.

Playa Libre is the primary public beach on Isla Grande, providing straightforward shore access to a fringing reef. The site features depths ranging from 2 to 12 metres, with an average depth of 7 metres. While nearshore coral exhibits some damage, swimming 50 to 100 metres offshore reveals healthier reef patches. Conditions are generally mild, with visibility typically between 5 and 15 metres and water temperatures consistently warm, ranging from 28 to 30C throughout the year. This site is suitable for beginners and offers both diving and snorkelling opportunities. Divers should remain aware of boat traffic in the area and take care to avoid sharp coral.

La Piscina is a natural lagoon situated on the northwest tip of Isla Grande along the Cartagena Coast. Protected by a massive coral barrier, this site offers calm conditions suitable for beginners. Snorkellers can explore the shallow reef, which ranges from 1 to 8 metres in depth with an average of 4 metres. Visibility typically fluctuates between 10 and 25 metres. Access to the site is by boat only, and visitors should remain aware of boat traffic in the area. Water temperatures remain warm throughout the year, ranging from 28 to 30 degrees Celsius. Facilities including equipment rental, showers, and a rinse station are available.

Alex Place is a reef and wall site located off the Cartagena Coast, Colombia. The topography features a reef structure that transitions into a wall, reaching depths between 12 and 25 metres with an average of 15 metres. Access is by boat only, and the site is suitable for beginner divers, though a moderate current requires attention. Visibility ranges from 5 to 20 metres, and water temperatures remain between 28 and 30C. Divers should be cautious of sharp coral and the presence of lionfish. Maintain buoyancy to avoid contact with the reef and watch for active boat traffic during ascents. Submerged nets may be present near the structure.

Isla Gloria is a wall and reef site located off the Cartagena Coast. Divers access the site by boat, which is required due to its distance of 5000 metres from the shore. The topography features a wall and reef structure with depths ranging from 2 to 30 metres, averaging 15 metres. Conditions are generally mild with visibility between 10 and 30 metres and water temperatures consistently between 28 and 30C. The site is suitable for beginners. Hazards include deep water, jellyfish, and lionfish. Species recorded around this area include parrotfish, wrasses, blue tang, Spanish hogfish, foureye butterfly fish, round stingray, groupers, Caribbean spiny lobster, honeycomb cowfish, Christmas tree worm, lettuce sea slug, gray angelfish, and great barracuda.

Isla Pavitos features a combination of reef and wall topography located off the Cartagena Coast. The site begins at a depth of 3 metres and descends to 50 metres, with an average depth of 10 metres. Visibility typically ranges from 20 to 30 metres, allowing for clear views of the wall. Water temperatures remain between 26 and 29 degrees Celsius throughout the year. Access is exclusively by boat, and the site is suitable for beginners who remain in the shallower sections. Divers should be aware of potential hazards including jellyfish, sharp coral, and moderate to strong currents. Monitoring local conditions and tidal changes is essential for safe navigation.

Isla del Pirata is a shallow reef site located off the Cartagena Coast. The area features natural pools that are protected from the wind, providing a calm environment for both divers and snorkellers. Depths range from 1 to 10 metres, with an average of 5 metres, making it well-suited for beginners. Entry is possible from either the beach or the hotel dock. Visibility typically spans 15 to 30 metres, and water temperatures remain consistent between 28C and 30C throughout the year. Divers should be aware of the presence of jellyfish in the water. Guided tours and equipment rental are available on-site, with typical dives lasting 60 minutes.