The greatest WWII wreck graveyard on Earth.
The dive
Operation Hailstone sank an entire Japanese fleet here in 1944 — dozens of ships now reefs, holds still full of tanks, trucks and aircraft.
When to go
Diveable all year; the December–April dry window brings the calmest seas. Deeper wrecks reward technical training.
Readiness
Advanced-level site — suits Advanced Open Water divers and up. Typical requirements:
Not sure you're ready? Read our readiness guide or check yourself in the planner.
Logistics
| Getting there | Long-haul via Guam to Chuuk. Fly to Chuuk (TKK) via Guam. Dive by liveaboard or from the few land-based resorts on the lagoon. |
|---|---|
| Where to stay | Liveaboard or island resort. Liveaboard for full access, or a Weno-based resort for the shallower wrecks. |
| Operator to look for | Reviewed Chuuk operators; deeper holds need wreck/technical certification and discipline. |
Sources
Links checked 29 September 2026. They cover the site's location, protection status and background. Costs, difficulty and season windows are ScubaRogue's editorial estimates, so confirm them with your operator before you book. How we research
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