

Best for intermediate divers, 5-18m, boat entry, mild current.
Sithananne Reef is a rock formation site located off Pigeon Island, Sri Lanka. The reef features a mix of hard and soft corals and reaches depths between 5 and 18 metres, with an average depth of 13 metres. Access is by boat only. Divers may encounter mild currents at the surface and underwater. Visibility ranges from 5 to 30 metres, and water temperatures remain warm between 27C and 30C throughout the year. Hazards at this site include lionfish, stonefish, and sharp coral. Species recorded around this area include wrasses, triggerfish, Moorish idols, spotted boxfish, and various butterflyfish and angelfish species.
8.68285, 81.20819
Online bookings must be made at least 48 hours in advance and require a 20 percent deposit.
Located 12 km north of Trincomalee at Nilaveli Beach, opposite Pigeon Island.
Recorded at this site
Depth
5-18m
Visibility
5-30m
Skill Level
Intermediate
Entry
Boat
Boat required
Water Temp
27-30°C
Current
Mild
Best Time
Apr, May, Jun, Jul, Aug, Sep, Oct
Species recorded around this area include wrasses, triggerfish, Moorish idols, spotted boxfish, and various butterflyfish and angelfish species.
No, the site is rated for intermediate divers.
The site ranges from 5 to 18 metres in depth, with an average depth of 13 metres.
This is a boat-only dive site.
Water temperatures range from 27C to 30C throughout the year.
Diving at Sithananne Reef in Trincomalee requires the following certifications: PADI Open Water Diver. Always dive within your training limits.
A rashguard or 2mm shorty is recommended for diving at Sithananne Reef in Trincomalee. Water temperatures range from 27°C to 30°C.
The best months to visit Sithananne Reef in Trincomalee are April, May, June, July, August, September, and October. Conditions outside these months can still be good but are less predictable.
Divers at Sithananne Reef in Trincomalee should be aware of lionfish, stonefish, sharks. These encounters are generally rare and avoidable with proper awareness. Follow local safety guidance and maintain a respectful distance from all marine life.