Scuba Diving in Punta Sur
At A Glance
Depth Range
Reef sections 60–100 ft; Devil’s Throat entry 80–90 ft, exits 130–135 ft
Skill Level
Advanced Advanced Open Water required; prior dive with Pelagic Ventures required
Typical Visibility
80–120 ft, with excellent clarity enhancing deep wall and cave exploration
Current
Strong and sometimes unpredictable southern exposure, weather-dependent
Dive Type
Wall, passages, Cathedral cavern, and the Devil’s Throat cave system
Location
Southernmost tip of Cozumel island longest boat ride from the marina
Marine Life Highlights
Eagle rays, Caribbean reef sharks, turtles, stingrays, nurse sharks (shallow exit)
Access Requirement
Advanced OW certification + at least one prior dive with Pelagic Ventures before this site
Weather Dependency
Southern exposure — site inaccessible in rough sea conditions; captain makes final call
Punta Sur Reef Cozumel's Most Dramatic Advanced Dive Site
Punta Sur sits at the exposed southern tip of Cozumel. Getting there requires the longest boat ride from the marina of any dive sites in cozumel Pelagic Ventures covers, and the journey signals that something different is about to happen. The reef at Punta Sur is a system of deep walls, enormous coral formations, and large passages at depth, with the site’s signature feature the entrance to the Devil’s Throat cave system starting at around 80 to 90 feet.
The site is divided into two areas: the main Punta Sur reef to the north, with its large passages at around 100 feet and a spectacular cavern known as the Cathedral; and the southern section at the very tip of the island, which is where Devil’s Throat is located. A full Punta Sur dive typically works through both sections in sequence, ascending over the reef toward Colombia as the no-decompression limits approach.
This is not a dive for unprepared divers, and no responsible operator will take a diver here without assessing their skills first. Pelagic Ventures requires at least one dive with the team before taking guests to Punta Sur not as a formality, but to see how a diver handles Cozumel’s conditions before committing to a site at the southern edge of the island.
The Punta Sur Dive Passages, the Cathedral and the Wall
The main reef and Cathedral
The approach to Punta Sur is from the north, descending into the main reef system and working south with the current. Large passages at 100 feet lead into the Cathedral a spectacular cavern with high coral walls and natural light entering from overhead openings. Before Hurricane Wilma in 2005, the Cathedral contained a crucifix-shaped sponge formation on the ceiling that was one of the most photographed features in Cozumel’s underwater landscape. The storm damaged it, but the cavern remains extraordinary.
Devil's Throat entry and exit
The tunnel entrance starts at approximately 80 to 90 feet in the northern section of Punta Sur. The passage descends at around 45 degrees, lined with red coral sponges, and exits onto the open wall at approximately 130 feet. The exit from the tunnel from confined passage to open blue above a sheer wall is one of the most striking transitions in Cozumel diving.
See the dedicated Devil’s Throat page for the full detailed guide to this specific section.
The ascending exit over Colombia
After the deep sections, the dive ascends through a series of tunnels and passages, working north and shallowing out over a sandy slope toward Colombia Reef. Stingrays work the sand. Nurse sharks rest in the bottom. The contrast between the deep dramatic sections and the calm, light-filled shallows at the end is characteristic of the best Punta Sur dives.
Marine Life at Punta Sur
In the deep sections
Caribbean reef sharks
documented at depth by guides who know the site; sightings are not routine but Punta Sur is one of the more consistent sites on the island
Eagle rays
In the deeper blue water column, particularly December–March, often seen gliding gracefully in small groups
Black cora
Large formations in the deep wall sections, thriving in low-light conditions along steep reef slopes
Enormous barrel sponges
Covering the wall face below 80 feet, creating vibrant habitats for diverse marine organisms
In the shallower exit section
Southern stingrays
Working the sandy slopes, gracefully gliding
Nurse sharks
resting on the sand in the shallower areas
Hawksbill turtles
moving through the passages
Schooling fish
dense above the reef top on the ascent
Punta Sur is a site where the topography and the experience of the dive are the headline. Marine life is a bonus rather than the primary draw though the bonus is often substantial.
Advanced Certification, Equipment and Weather Requirements at Punta Sur
Advanced Open Water certification (PADI or SSI) is required. Pelagic Ventures additionally requires at least one dive with the team before booking Punta Sur this is a skills assessment conducted on the water, not a certification card check. A dive computer is mandatory. A dive light is strongly recommended for the Cathedral and passage sections. An SMB should be carried for the ascent.
Weather at the southern tip is the primary limiting factor. The site sits exposed to easterly trade winds. When sea conditions are not acceptable typically when waves exceed a threshold the captain sets the site is simply not accessible. Guests booking specifically for Punta Sur should build schedule flexibility into their trip. A day that cannot access Punta Sur due to conditions will offer excellent alternatives further north.
Diving Punta Sur with Pelagic Ventures
The prior-dive requirement exists because Paulino and the team have been running this site for 30 years and have a precise understanding of what readiness looks like in Cozumel’s conditions. An Advanced certification card from a pool and quarry course does not tell a guide how a diver responds to depth in warm water with a current. One dive together does.
The all-inclusive pricing structure covers this site at the standard two-tank rate. The longer boat transit is included no fuel surcharge added at the dock.
Frequently Asked Questions About Diving Punta Sur Cozumel
Advanced Open Water certification (PADI or SSI) plus at least one prior dive with Pelagic Ventures. The certification requirement ensures you are prepared for depth and overhead environments. The prior-dive requirement ensures your skills have been assessed in Cozumel's specific conditions.
Punta Sur is the broader dive site at the southern tip of the island. Devil's Throat is one specific feature within Punta Sur a cave system that enters at approximately 80–90 feet and exits on the wall at approximately 130–135 feet. See the dedicated Devil's Throat page for a full guide to that feature specifically.
The captain makes the call on the morning of the dive based on sea conditions at the site. If conditions are not acceptable, an alternative site will be offered. Build schedule flexibility into any trip where Punta Sur is a specific goal.
Ready to dive Punta Sur?
Book a two-tank trip with Pelagic Ventures maximum 8 divers per boat, Marine Park fee always included, 30+ years on this reef.