Japan · Sado Island, Sea of Japan
Aka-Iwa
Best time to dive
Season varies - confirm locally
What you might see
- Hammerhead sharkLikely
- Sea turtleLikely
Sightings are seasonal probabilities, not promises - even in peak season nature does its own thing.
Certification & difficulty
Open Water
Snorkelling
Snorkel-friendly - Shallow sections only
Safety notes
Season-dependent; standard dive precautions
Permits & fees
Shore or boat dive (Sea of Japan / Hokkaido)
Permits and operators change - confirm before booking.
Location
Nearest hub: Sado
This profile is desk research, compiled from public sources - not a first-hand dive report. Coordinates are approximate.