Izu Ocean Park
Also known as: IOP, Ichi-no-Ne
Best time to dive
January to December
What you might see
- FrogfishReliably seen
- Hammerhead sharkPossible
- Manta rayPossible
- Mola mola (oceanic sunfish)Likely
- Moray eelLikely
- NudibranchReliably seen
- Sea turtleLikely
Sightings are seasonal probabilities, not promises - even in peak season nature does its own thing.
Certification & difficulty
Technical - advanced conditions (currents/depth); dive within your training.
Snorkelling
Snorkel-friendly - Yes - dedicated 'Iso Pool' shallow swimming/snorkeling area plus BBQ area
Safety notes
Surge/wave exposure at rope-assisted shore entry; typhoon-driven closures; current at outer reef sites; weekend crowding
Permits & fees
IOP is a privately operated facility charging facility usage/dive fees for self-guided and guided divers plus tank rental and parking; separate 'Iso Swimming Pool' fee JPY 1,700 adults / 1,200 elementary / 700 toddlers. Exact current diver facility-fee yen amounts not independently verified (see iop-dc.com/information/price.html) - VERIFY
Permits and operators change - confirm before booking.
Location
Nearest hub: Ito
This profile is desk research, compiled from public sources - not a first-hand dive report. Coordinates are approximate.