Scuba Season
Underwater reef at Kimbe Bay
Improving

Kimbe Bay

Papua New Guinea · New Britain

Kimbe Bay on PNG's New Britain island is one of the planet's biodiversity hotspots — over 850 reef fish species recorded, healthy coral, and almost no other divers. Walindi Plantation Resort and a couple of liveaboards serve the bay.

How this reef is doing

How we measure this

Reef state

Improving

Walindi area reefs remain among the world's most biodiverse. Coral cover is high and stable.

Coral cover

23%
LowHealthy
Moderate

Fish life

Not surveyed

Heat

SafeBleaching

No unusual heat right now.

Safe now

Fishing

QuietBusy

Some fishing is allowed here, in marked zones.

Limited

Sources · MERMAID and the survey teams · NOAA Coral Reef Watch · Global Fishing Watch and reef gravity

Coral cover over time

Live coral cover, by survey year

Across surveys in 2025 and 2026, live coral cover here has fallen from 28% to 23%. Every point is a real survey reading, never a projection.

Live coral cover, percent by year

40%0%region avg 31%20252026
Two surveys
Pacific average (GCRMN)
MERMAID and the survey teams, within 56 km

What you will see

17 species across the dive sites here

Dive sites

What divers say

Coral biodiversity that makes Indonesia look thin. PNG is the secret nobody talks about.
Marine biologist

Good to know

Malaria zone

Prophylaxis essential.

Gear & getting wet

  • Basic kit

    • Mask and fins
    • BCD and regulator
    • 3mm full wetsuit · warm water
    • Dive computer
  • For specific sites

    • Reef hook · Bradford Shoals
    • SMB · Bradford Shoals
    • Macro lens or magnifier · Susan's Reef
    • Dive light · Susan's Reef