divetrinco.com · Operator
Nilaveli / Trincomalee dive-center page with boat-led diving and Pigeon Island park coverage.
Local operator required
Boat access and park rules make a local Nilaveli guide the practical way to visit.
Boat-access reef off Nilaveli on the edge of Pigeon Island National Park.
About Mortar Rock
Mortar Rock is a shallow boat dive off Nilaveli that wraps a small rock outcrop in fringing coral and easy reef life. It is a relaxed park-edge site for long, unhurried dives with plenty of structure to explore.
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Research Estimate At Mortar Rock
Conservative baseline from public research. No community dives logged yet.
VisibilityVisibility: 20m
AccessSimple entry
CoralPristine, vibrant coral
Aquatic LifeExceptional variety
FacilitiesGood facilities
Crowd / PopularityQuite busy
CurrentNo current
SurgeFlat calm
Where Is Mortar Rock?
This spotNearby spotsExplore nearby spots on the map
Community sourced coordinates.
Mortar Rock Planning Details
Depth range, seasonality, and planning context.
Reported Depth
5m - 8m
Depth Note
Plentiful encrusting corals sit around 5-8m and the site is marketed as a shallow reef; confirm the exact working line with the boat crew.
Best Season
May to September, with January to March also workable; avoid the roughest monsoon months.
Typical Conditions
Warm water, shallow coral, boat access, and long peaceful dives on calm mornings.
Safety & Access At Mortar Rock
Site conditions, restrictions, and access requirements.
Site Conditions
Boat trafficRestricted access
Safety Notes
Use the morning window, follow park rules, and stay off the coral. A guide is the right choice if you are not already comfortable with shallow boat dives.
Access Restrictions
Boat access is normal, and park rules apply because the reef sits on the edge of Pigeon Island National Park.
Legal Notes
Pigeon Island is a protected marine national park off Nilaveli, so access is regulated and coral protection rules matter.
Local Intel For Mortar Rock
Community notes to help plan your visit.
Scuba Diving
It suits beginners and experienced divers alike, and it also works well for Discover Scuba and relaxed fun dives.
Freediving
Freediving is secondary here; the shallow water makes it possible, but the site is better known for scuba and snorkeling.
Snorkeling
This is one of the better snorkel-friendly reef sites in the area because the water is shallow and the coral sits close to the surface.
Wildlife at Mortar Rock
Species commonly reported at this site, with direct links into their wildlife guides.
Recent Logged Visits At Mortar Rock
Community dive logs and visit reports for this site.
Dive Spot Log Averages At Mortar Rock
Average conditions based on logged dives & visits.
Conditions
Avg. Visibility20m
Activity
No dive activity logged yet.
