Dive Site: Punta Sur Reef

About Punta Sur Reef

Punta Sur sits at the exposed southern tip of Cozumel, requiring the longest boat ride from the marina, signaling its advanced nature. This site is a system of deep walls, enormous coral formations, and large passages at depth, with the signature feature being the entrance to the Devil’s Throat cave system. It offers some of the most dramatic and challenging diving in the region, ideal for experienced divers. The site is generally divided into two main areas. The northern section encompasses the main Punta Sur reef, characterized by large passages and the spectacular Cathedral cavern. Further south, at the very tip of the island, lies the famous Devil's Throat. A typical dive here often covers both sections sequentially, allowing divers to experience the full range of its unique topography. Marine life encounters are frequent, with Caribbean reef sharks observed at depth, though not routinely, and graceful eagle rays common, especially between December and March. The deep wall sections are home to vibrant black coral and enormous barrel sponges, creating rich habitats. After the deep sections, the dive typically ascends into shallower areas, where stingrays forage in the sand and nurse sharks rest, providing a contrasting experience of calm, light-filled waters. Due to strong, sometimes unpredictable currents and significant depths, Punta Sur is strictly an advanced dive. Divers require an Advanced Open Water certification and operators often mandate a prior skills-assessment dive to ensure proficiency in Cozumel's demanding conditions. This ensures divers can safely navigate the complex passages and deep sections, making it a rewarding experience for those prepared for its challenges.

Dive site facts: Punta Sur Reef

Depth

60–135 ft (18–41 m)

Current

Strong, unpredictable

Visibility

80–120 ft (24–37 m)

Water temperature

75–85°F (24–29°C)

Entry

Negative entry

Level

Advanced Open Water; prior skills assessment required

Dive type

Wall, cavern, cave, drift

Night dive

Not specified

Region / port

Cozumel, Mexico

Coordinates

20.285, -87.03

Conditions & Currents

Punta Sur is known for its strong and sometimes unpredictable currents, characteristic of its exposed southern location on Cozumel. These currents make it an advanced drift dive, where divers must be comfortable moving with the flow rather than fighting against it. Visibility is consistently excellent, ranging from 80 to 120 feet, which significantly aids in navigation and spacing despite the swift currents. Entry is typically a negative entry to quickly descend and join the current flow, and divers must be proficient in buoyancy control to avoid impacting the reef while moving. The presence of strong currents necessitates careful gas planning and the ability to manage rapid descents and ascents, especially when navigating through tunnels and passages. Boat traffic can be present, and divers should be aware of surface conditions when planning their safety stops and surfacing.

Marine life & sighting chances

Caribbean reef shark

occasional

Eagle ray

December–March · common

Black coral

common

Barrel sponge

common

Stingray

common

Nurse shark

occasional

Turtle

occasional

Dive profile & how the dive runs

The dive typically begins with a negative entry into the main reef system, allowing a quick descent to about 100 feet. Divers then drift south with the current, navigating through large coral passages towards the spectacular Cathedral cavern, where natural light illuminates the impressive coral walls. Following this, the route leads to the Devil's Throat, with its entry point around 80-90 feet. This confined passage descends at a 45-degree angle, lined with red coral sponges, exiting onto the open wall at approximately 130-135 feet. After exploring the deeper sections, the dive gradually ascends through a series of shallower tunnels and passages, moving north over a sandy slope towards the Columbia Reef area. The safety stop is conducted in these shallower, lighter-filled waters, often accompanied by observations of stingrays and nurse sharks.

Underwater photography

Punta Sur offers exceptional opportunities for wide-angle photography, especially within the Cathedral cavern and the Devil's Throat, where the scale of the formations and the dramatic light entry can be captured effectively. A fisheye or wide-angle lens is essential for these expansive scenes. Due to the deep sections and potential for low light inside passages, powerful strobes are recommended to bring out the vibrant colors of the red coral sponges and black corals. Divers should maintain impeccable buoyancy, especially when navigating confined spaces like the Devil's Throat, to avoid stirring sediment or damaging delicate coral structures. Capturing eagle rays and sharks in the deeper blue requires quick reflexes and familiarity with your camera system to adjust for varying light conditions.

Combine with nearby dive sites

• Maracaibo Wall

  Maracaibo Wall is a deep, vertical dive site located off the southwest coast of Cozumel, Mexico, renowned for its dramatic drop-offs and…

• Santa Rosa Wall

  The Santa Rosa Wall is a legendary dive site located on the southwest side of Cozumel, Mexico, forming part of the Great Mayan Reef.

• Palancar Gardens

  Palancar Gardens, situated off the eastern coast of Mexico near Cozumel Island, is a celebrated dive site within the Mesoamerican Barrier…

• Columbia Deep

  Columbia Deep is a renowned dive site within the Cozumel Reefs National Marine Park, celebrated for its spectacular underwater topography…

• Chankanaab Reef

  Chankanaab Reef, located off Cozumel's coast, is a celebrated dive site within the Mesoamerican Reef, the second-largest barrier reef…

Getting there & logistics

Cozumel is served by Cozumel International Airport (CZM). Alternatively, travelers can fly into Cancun International Airport (CUN) and take a transfer to Playa del Carmen, followed by a ferry ride to Cozumel. Punta Sur is located at the southernmost tip of Cozumel and requires the longest boat ride from the marinas, typically departing from San Miguel. Dive trips to Punta Sur are generally full-day excursions due to the travel time and the depth profile of the dive. Most operators require an Advanced Open Water certification and often a prior skills-assessment dive with their team before taking divers to this challenging site. Park fees for the Cozumel Marine Park apply.

Safety & environment

The nearest recompression chamber is located in San Miguel de Cozumel. Due to the site's advanced nature, with deep walls and strong, unpredictable currents, divers must prioritize personal safety and carry appropriate dive insurance that covers dive accidents and potential evacuation. Standard safety protocols include meticulous pre-dive checks, conservative dive planning to stay within no-decompression limits, and maintaining contact with your dive guide. Surge can be present at the surface due to the southern exposure, and sea conditions can make the site inaccessible during rough weather. Divers should be proficient in drift diving techniques and comfortable in confined overhead environments before attempting Devil's Throat. Always dive within your certification limits.

Who it suits — and who it doesn't

FAQ

Punta Sur Reef FAQ

Liveaboards diving Punta Sur Reef

These liveaboards may visit Punta Sur Reef on selected itineraries — the exact dive sites depend on departure, weather and conditions.

Nautilus Explorer

Mexico

25 guests44.8 m

$230/day

Valentina

Mexico

20 guests38.1 m

$430/day

Rocio del Mar

Mexico

20 guests33.5 m

$392/day

Nautilus Under Sea

Mexico

19 guests32 m

$261/day

Nautilus Belle Amie

Mexico

32 guests44.8 m

$323/day

Quino del Mar

Mexico

20 guests36 m

$392/day

Nautilus Gallant Lady

Mexico

12 guests35.36 m

$332/day