

Blue Wall is a vertical reef drop-off located off San Andrés, Colombia. The wall begins at approximately 20 metres and descends to 40 metres, offering consistent visibility of 30 metres. Divers experience mild currents and water temperatures ranging from 28 to 29 degrees Celsius. Access to this site is exclusively by boat. Due to the significant depth and the nature of the wall, this site is suited for divers with solid buoyancy control and at least an Open Water certification. Divers should monitor their depth gauge closely to avoid exceeding planned limits while exploring the structure.
12.49725, -81.71047
Because the wall starts at 20 metres and drops well beyond recreational limits, plan your bottom time carefully before you splash and keep a close eye on your depth gauge as the wall makes it easy to drift deeper than intended. Confirm current boat operator schedules and facility availability locally before your trip, as these can vary.
Access is by boat dive.
Recorded nearby, within 20km
Depth
20-40m
Visibility
30m
Entry
Boat
Boat required
Water Temp
28-29°C
Current
Mild
Best Time
Jan, Feb, Mar, Apr, May, Dec
The site supports typical Caribbean reef patterns, featuring a variety of reef fish and invertebrates along the wall structure.
The site requires at least an Open Water certification and solid buoyancy control due to the depth of the wall.
The wall drops from approximately 20 metres to 40 metres.
Blue Wall is accessible only by boat.
This site is a deep wall dive starting at 20 metres, making it unsuitable for snorkelling.
Diving at Blue Wall in San Andres requires the following certifications: Advanced. Always dive within your training limits.
A rashguard or 2mm shorty is recommended for diving at Blue Wall in San Andres. Water temperatures range from 28°C to 29°C.
The best months to visit Blue Wall in San Andres are January, February, March, April, May, and December. Conditions outside these months can still be good but are less predictable.
Divers at Blue Wall in San Andres should be aware of sharks. These encounters are generally rare and avoidable with proper awareness. Follow local safety guidance and maintain a respectful distance from all marine life.
Blue Wall in San Andres typically has mild currents that most divers can handle comfortably.
Visibility at Blue Wall in San Andres typically ranges from 30 metres to 30 metres. Conditions vary with weather, tides, and seasons.