Big Pigeon Island Dive Site
Site Overview
Big Pigeon Island, within the Rabaul & East New Britain (Volcanic & Wrecks) of Papua New Guinea, is one of the region's most rewarding dive sites and a highlight of any Coral Triangle diving itinerary. A remote pinnacle with manta rays, seasonal hammerheads, and dogtooth tuna sweeping the current. Geographically the site features pinnacle and wall and drop-off formations built from coral and rock substrate, dropping from a shallow top of around 10 metres to a maximum depth of about 40 metres, with an average working depth near 22 metres. Visibility is typically excellent, ranging from 15 to 32 metres, while water temperatures hold between 27 and 30 degrees Celsius year-round. The marine life is the headline attraction. Divers routinely encounter Scalloped Hammerhead (Sphyrna lewini), Manta Ray (Mobula alfredi), Dogtooth Tuna (Gymnosarda unicolor), Grey Reef Shark (Carcharhinus amblyrhynchos), Barracuda (Sphyraena barracuda), Bigeye Trevally (Caranx sexfasciatus), alongside dense reef fish, invertebrates, and the soft and hard corals that blanket the reef. The mix of nutrient-rich currents and Papua New Guinea's remote, well-protected reefs makes Big Pigeon Island one of the most reliable places in the country to see both abundant macro life and large pelagic visitors on a single dive. Big Pigeon Island is best enjoyed as part of a boat programme out of Rabaul, and it rewards wide-angle photographers, naturalists, and experienced drift divers alike. Papua New Guinea's strong community-based conservation ethos and remoteness help keep the reef pristine, so divers are asked to maintain exemplary buoyancy and respect the fragile marine environment at all times.
Dive Briefing
"Your dive at Big Pigeon Island begins with a negative descent along the mooring line or wall, depending on the current on the day. You negative-enter and drift the pinnacle, watching the blue for hammerheads and mantas, then ascend slowly. Plan to spend the deepest portion of the dive along the pinnacle between 10 and 22 metres, where the coral is most colourful and the larger fish congregate. Hook in on the pinnacle if the current pins you, and stay with your guide. Mid-water, watch the blue beyond the wall for passing Scalloped Hammerhead (Sphyrna lewini) and other pelagics, and keep an eye on your no-decompression limits given the depths involved. Ascend slowly with a safety stop at five metres to off-gas safely. Because Big Pigeon Island can experience strong currents and occasionally reduced visibility after heavy rain, dive with a surface marker buoy and always follow your operator's site-specific briefing and emergency plan."
Signature Marine Life
Scalloped Hammerhead (Sphyrna lewini)
Best: April, May, June
Manta Ray (Mobula alfredi)
Best: April, May, June
Dogtooth Tuna (Gymnosarda unicolor)
Best: April, May, June
Grey Reef Shark (Carcharhinus amblyrhynchos)
Best: Year-round
Barracuda (Sphyraena barracuda)
Best: Year-round
Bigeye Trevally (Caranx sexfasciatus)
Best: Year-round
Safety & Hazards
- Strong current on the pinnacle
- Depth near 40 metres reducing no-stop time
- Blue-water exposure
- Long boat run and surface swell
- Sun exposure on the transfer
- Entanglement around the mooring
Traveler Notes
Who is this for?
Big Pigeon Island is aimed at advanced divers holding at least a Advanced Open Water certification, and it suits those comfortable managing strong conditions and maintaining neutral buoyancy along pinnacle terrain. Photographers, marine-life enthusiasts, and experienced divers will find it especially rewarding, while advanced pelagic divers will enjoy it, while the long run suits a dedicated day trip or liveaboard. Divers who prefer calm, shallow, zero-current conditions should choose one of Papua New Guinea's sheltered house reefs or lagoons instead, and anyone without the recommended certification should complete a check-out dive with a local operator first.
For Non-Divers
Non-divers can snorkel the shallows or enjoy the boat trip while divers drift the pinnacle.
Quick Stats
Dive Logistics
- Rabaul Dive Centre
- Kokopo Dive
- Deka Deka Dive
Photography Info
Best for: wide_angle, macro
Nearby Stay
Rapopo Plantation Resort
Kokopo, East New Britain • 5km away
Kokopo Beach Bungalows
Kokopo • 9km away