Dive Site: Coco Sea Mount

About Coco Sea Mount

Coco Sea Mount is a distinctive offshore dive site near Roatan, characterized by its isolation and exposed blue-water environment. Unlike the more protected island reefs, this raised reef formation is a magnet for schooling fish and larger pelagic species, making it a dynamic and often exhilarating experience for divers. The topography consists of a submerged structure that rises from the depths, supporting rich coral growth and attracting marine life. Depths can vary, offering both vibrant reef sections and deeper areas where divers can encounter impressive schools of fish and larger predators drawn to the nutrient-rich currents that sweep the seamount. The marine life at Coco Sea Mount is particularly notable for its pelagic encounters. Divers frequently observe jacks, barracuda, snappers, and groupers, alongside various reef fish. Eagle rays and sea turtles are common sights, and there's a good chance of spotting reef sharks. The best time to experience this abundance is typically from March to August when conditions are calm. This site generally requires boat access and is often part of liveaboard itineraries. Given its offshore nature and potential for stronger currents, it offers a more advanced diving experience, promising thrilling encounters for those seeking a vibrant, open-water adventure in the Bay Islands.

Dive site facts: Coco Sea Mount

Current

Varies, can be strong

Visibility

18–36 m

Water temperature

24–31 °C

Entry

Boat

Level

Advanced recommended

Dive type

Seamount, pelagic, drift

Region / port

Roatan, Honduras

Coordinates

16.3353° N, 86.6430° W

Conditions & Currents

Coco Sea Mount, being an exposed offshore reef, is subject to varying current strengths, which are a defining characteristic of the site. While currents can range from mild to strong, they play a crucial role in bringing nutrient-rich waters to the seamount, attracting significant marine activity. Divers should anticipate drift diving conditions, where thorough pre-dive briefings covering entry procedures, descent timing, and boat pick-up plans are essential for safety and enjoyment. The boat will track and pick up divers, making clear communication signals vital. Visibility at the seamount is often excellent, frequently exceeding 18 to 30 meters, and can extend beyond 36 meters in the dry season. Water temperatures generally range from 24 to 29°C, with highs up to 31°C in summer, so a 3mm wetsuit is usually sufficient, though some divers might prefer a shorty or even no wetsuit during

Marine life & sighting chances

Jacks

March-August · common

Barracuda

March-August · common

Snappers

March-August · common

Groupers

March-August · common

Reef fish

March-August · common

Sea fans

March-August · common

Sponges

March-August · common

Eagle rays

March-August · occasional

Sea turtles

March-August · occasional

Reef sharks

March-August · occasional

Dive profile & how the dive runs

Diving Coco Sea Mount typically involves a boat entry, often as a drift dive due to its exposed location and currents. Divers should listen carefully to the briefing for current direction, expected depth limits, and specific communication signals. Descent timing is crucial to stay with the group and on the seamount structure, aiming for a rapid, controlled drop to the desired depth. The dive then progresses along the submerged reef, allowing the current to carry divers past schools of jacks, barracuda, snappers, and groupers. Keep an eye out for eagle rays and reef sharks that frequent the area. Navigation relies heavily on the dive guide, who will lead the group along the most productive sections of the seamount. Turn points are dictated by air consumption and bottom time, with an emphasis on maintaining depth and group cohesion. The safety stop is conducted as a drifting ascent, often with a deployed surface marker buoy, where the boat follows the divers for a comfortable and safe pick-up, ensuring everyone is accounted for after surfacing.

Underwater photography

Coco Sea Mount offers excellent wide-angle photography opportunities due to its frequently outstanding visibility and abundant schooling fish, as well as potential for larger pelagics like sharks and eagle rays. A fisheye or wide-angle lens (e.g., 8-15mm or 16-35mm equivalent) is highly recommended to capture the expansive reefscape and large animal encounters. Consider using dual strobes to properly illuminate subjects and bring out the vibrant colors of corals and fish against the clear blue background. Patience is key when waiting for schools of jacks or barracuda to position themselves for a dramatic shot. Maintaining excellent buoyancy is paramount in the potentially strong currents to avoid disturbing the reef and to get stable shots. While macro subjects are present, the primary draw here is the larger scene, so plan your setup accordingly. Ethical photography includes giving marine life space, especially sharks and turtles, and avoiding any actions that could stress or alter their natural behavior.

Combine with nearby dive sites

• Hole in the Wall

  Hole in the Wall is a celebrated dive site in Roatan, part of the extensive Mesoamerican Barrier Reef System, which is the second-largest…

• Duppy Waters

  Duppy Waters is a prominent dive site located in the Bay Islands of Honduras, specifically on the north side of Utila.

• Jack Neal Point

  Jack Neal Point is a captivating dive site located off the western coast of Roatan, Honduras, nestled within the larger Mesoamerican…

• Odyssey

  A popular wreck dive.

• Mary's Place

  Known for dramatic topography and vertical walls.

Getting there & logistics

Accessing Coco Sea Mount typically involves travel to Roatan, Honduras, with flights commonly arriving at Juan Manuel Gálvez International Airport (RTB). From there, divers usually transfer to a liveaboard vessel, as this offshore site is a common stop on liveaboard itineraries exploring the Bay Islands. Trips often depart from various ports around Roatan. Liveaboard durations can vary, frequently ranging from 7 to 10 days, allowing for comprehensive exploration of multiple dive sites across the region. There are generally no specific dive site permits or fees beyond the liveaboard package. Coco Sea Mount is usually combined with other popular Roatan sites, offering a diverse experience that includes both wall dives and other offshore encounters. Some dive operations also offer special trips to the seamounts of Cayos Cochinos, which are approximately 18 miles offshore, suggesting similar logistics for distant seamount dives.

Safety & environment

For diving Coco Sea Mount, comprehensive dive insurance that includes emergency medical evacuation and recompression chamber coverage is crucial due to its offshore location. The nearest recompression chamber is located in Roatan, but evacuation from an offshore site can be complex and time-consuming. Divers must be proficient in drift diving techniques and maintain excellent buoyancy control to manage potential strong currents, which are a characteristic hazard of this exposed seamount. Always adhere strictly to the dive brief, staying close to the dive guide and group, and be prepared to deploy a surface marker buoy (SMB) at the end of the dive for boat pick-up. Surface interval procedures are critical, as boat traffic around offshore sites can vary. Proper air management and conservative dive planning are essential, particularly given the varying depths and potential for nitrogen narcosis in deeper sections. Always dive within your training and experience limits, and ensure all gear is in excellent working condition.

Who it suits — and who it doesn't

FAQ

Coco Sea Mount FAQ

Liveaboards diving Coco Sea Mount

These liveaboards may visit Coco Sea Mount on selected itineraries — the exact dive sites depend on departure, weather and conditions.

Roatan Aggressor

Honduras

18 guests31.1 m

$309/day