
Palau · Rock Islands lagoon
Ryuko Maru
Best time to dive
October to May
Certification & difficulty
Advanced Open Water - advanced conditions (currents/depth); dive within your training.
Snorkelling
Not a snorkel site - Not suitable - deck begins at ~70-80 ft (21-25 m)
Safety notes
Thick sediment easily stirred up, obscuring visibility; requires careful bottom-time/air management for penetration
Permits & fees
Rock Island Use Permit required, $50/visitor, valid 10 days, issued by Koror State
Permits and operators change - confirm before booking.
Location
Nearest hub: Koror
This profile is desk research, compiled from public sources - not a first-hand dive report. Coordinates are approximate.

