Tlu 1 is an artificial reef site located off the coast of Cartagena and Rosario Islands, Colombia. The site consists of a former oil platform structure that was intentionally sunk to create an underwater park. Divers can explore the metallic remains of the platform, which reach depths of up to 16 metres. Access to the site is by boat only. Conditions are generally suitable for intermediate divers, with water temperatures ranging between 29C and 30C throughout the year and mild currents. Facilities available for visitors include air fills, equipment rental, and guided tours.

La Boquita is a shallow reef site located off the coast of Cartagena and Rosario Islands, Colombia. Reaching depths of up to 7 metres, this site is well-suited for beginners and those seeking a relaxed environment. Divers enter directly from the shore, where they encounter mild currents and visibility typically ranging between 15 and 25 metres. Water temperatures remain consistent throughout the year, averaging between 29 and 30 degrees Celsius. The site supports guided tours and air fills, and it is suitable for night diving. A typical dive at this location lasts approximately 45 minutes.

Barco Hundido is a wreck and artificial reef site located off the Caribbean coast of Colombia. The wreck structure sits at depths between 12 and 25 metres, with an average depth of 15 metres. Divers and snorkellers must access the site by boat. The environment features overhead sections with sharp edges, requiring careful buoyancy control and awareness of entanglement risks. Conditions include mild currents and visibility ranging from 10 to 25 metres. Water temperatures remain consistent between 29 and 30 degrees Celsius throughout the year. This site is suited for intermediate divers, and guided tours are available through local dive shops.

Tlu 2 is an artificial reef located 12 kilometres offshore from the Cartagena and Rosario Islands. The site consists of a former oil platform structure that was intentionally sunk to create an underwater park. Divers can explore the metallic remains at a consistent depth of 18 metres. Conditions at the site are variable, with moderate currents and visibility typically ranging between 15 and 30 metres. Due to the depth and potential for currents, this site is suited for intermediate divers. Access is exclusively by boat. Divers should remain aware of boat traffic and potential entanglement hazards while exploring the structure.

Bajo Pajarito is a coral reef site located in the Islas del Rosario, Colombia. The site features a shallow reef structure with depths ranging from 6 to 20 metres, averaging 9 metres. It is accessible only by boat and is suitable for beginner divers due to the mild currents. Visibility at the site typically fluctuates between 10 and 30 metres. Divers can expect a standard dive duration of approximately 50 minutes. The water temperature remains consistent throughout the year, ranging between 29 and 30 degrees Celsius.

Ceycen is a reef site located in the Islas del Rosario, Colombia, offering a tranquil environment for beginner divers and snorkellers. The topography consists of healthy corals, seagrass beds, and patches of white sand. Depths at this site range from 6 to 14 metres, with an average depth of 10 metres. Conditions are generally mild, with water temperatures consistently between 29C and 30C throughout the year. Access to the site is by boat only. The habitat supports a variety of reef fish and invertebrates typical of the Caribbean region.

Roca de Morrosquillo is an underwater rock formation located in the Islas del Rosario, Colombia. This reef site features depths ranging from 10 to 16 metres, with an average depth of 13 metres. Access is by boat only, as the site is situated over 11 kilometres from the shore. Divers can expect mild currents and visibility between 10 and 30 metres. The water temperature remains consistent throughout the year, typically between 29 and 30 degrees Celsius. The site is suited for intermediate divers, with typical dive times around 45 minutes. Hazards include sharp coral and the presence of lionfish.

Cuevas is a reef and cave site located in the Islas del Rosario, Colombia. The site features an overhead environment and is situated approximately 1000 metres from the shore, requiring boat access. Divers can expect depths ranging from 5 to 20 metres, with an average depth of 10 metres. Conditions are variable, with visibility typically between 10 and 25 metres and mild currents. Water temperatures remain consistent between 29C and 30C throughout the year. Due to the presence of an overhead environment, strong currents, and hazards such as lionfish, stonefish, and sea urchins, this site is suited for intermediate divers. Guided tours and boat charters are available for this 45-minute dive.