The Archipielago de San Bernardo, located near the Islas del Rosario, offers a variety of reef and wall diving opportunities. The site features depths ranging from 3 to 25 metres, making it accessible for beginner divers. Access to the site is strictly by boat. Conditions are generally mild, though divers should be aware of the potential for strong currents. The water temperature remains consistently warm throughout the year, typically between 28 and 30 degrees Celsius. This location provides a range of underwater topography suitable for those looking to explore Caribbean reef structures.

Las Llantas is a reef dive site located in the Islas del Rosario, Colombia. The site features a consistent depth of 12 metres, making it suitable for beginner divers. Access to this location is by boat only. Divers can expect mild currents and visibility ranging from 15 to 30 metres. Water temperatures are warm throughout the year, typically between 28 and 30 degrees Celsius. A standard dive at this site lasts approximately 40 minutes. The topography consists of a reef environment.

Llantas in the Islas del Rosario offers a dual-environment dive featuring both a reef and a wreck. Situated at depths between 5 and 20 metres, the site is well-suited for beginner divers. Conditions are generally manageable with mild currents and visibility ranging from 10 to 20 metres. Water temperatures remain warm throughout the year, typically between 28 and 30 degrees Celsius. Access is by boat only, and the site is also suitable for night diving. Divers should remain aware of boat traffic, potential jellyfish, and surf conditions. When navigating the wreck, exercise caution regarding entanglement risks and sharp structures.

Culumpios is a reef dive site located in the Islas del Rosario, Colombia. The site features a consistent depth of approximately 12 metres. Conditions at this location are subject to variation, with water temperatures typically ranging between 28C and 30C throughout the year. As a reef environment, it offers a marine setting suitable for diving activities. Access to the site is generally facilitated by boat from the surrounding region. Divers should be prepared for typical Caribbean marine conditions when planning a visit to this reef.

Columpios is a shallow reef and seagrass site in the Islas del Rosario, Colombia, characterised by a sandy bottom interspersed with small coral formations, sponges, and rocks. With depths typically ranging from 5 to 15 metres and an average of 8 metres, the site is suitable for beginners. Access is by boat only, and divers should expect mild currents. The topography creates a varied underwater landscape, though divers must be cautious of sharp coral. Water temperatures are consistently warm, ranging between 28C and 30C throughout the year.

Batea is a shallow reef site located in the Islas del Rosario, Colombia, functioning as a coral nursery for the growth and recovery of young corals. The topography consists of sandy bottoms interspersed with emergent coral formations. With depths ranging from 3 to 8 metres and an average of 5 metres, the site is well-suited for beginner divers and snorkellers. Access to the site is by boat only. Conditions are generally mild, with water temperatures remaining consistently warm between 28C and 30C throughout the year. A typical dive at this location lasts approximately 40 minutes.

La Rusa is a reef and wall dive site located off the Caribbean coast of Colombia. The topography consists of a rocky environment featuring corals, gorgonians, and sponges. Divers typically explore at depths between 12 and 20 metres, with an average depth of 15 metres. Conditions include moderate currents and visibility ranging from 5 to 15 metres. Due to the nature of the site and potential hazards such as boat traffic, surge, and sharp coral, this location is suited for intermediate divers. Access is by boat only, with typical dives lasting 45 minutes. Water temperatures remain consistent throughout the year, ranging from 28 to 30 degrees Celsius.

La Picua is a marine dive site located within the Islas del Rosario, Colombia. The site features a consistent depth of approximately 14 metres. Conditions at this location are subject to variation, with water temperatures typically ranging between 28C and 30C throughout the year. As a marine environment, the site is accessible for diving activities. Divers should be prepared for typical Caribbean coastal conditions when planning their visit to this specific area of the Rosario Islands.