Japan · Kumomi, west Izu Peninsula
Ushitsuki-Iwa
Also known as: Cow Rock
Best time to dive
January to December; June to September
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
Beach or boat dive on the Izu Peninsula / Sagami Bay
Permits and operators change - confirm before booking.
Location
Nearest hub: Matsuzaki
This profile is desk research, compiled from public sources - not a first-hand dive report. Coordinates are approximate.