Dive-site story
Rising out of the Pacific off the southern tip of the Izu Peninsula, this uninhabited rocky islet sits squarely in the path of the Kuroshio Current. The relentless water movement attracts schooling hammerhead sharks and huge schools of pelagic fish. Dives here are full drift profiles requiring swift negative entries, sharp buoyancy control, and vigilance in open blue water.
Schooling scalloped hammerhead sharks sweeping past offshore cleaning stations and drop-offs
Fast-paced blue-water drifts alongside shoals of amberjack and yellowtail kingfish
Dynamic underwater topography featuring steep volcanic walls and submerged pinnacles
Location
Use the map to plan with your operator and confirm the exact entry point on the day.
Seasonality
Summer through mid-autumn delivers the highest shark numbers and the warmest oceanic blue water from the Kuroshio current.
Marine life
| Species | Likelihood | J | F | M | A | M | J | J | A | S | O | N | D |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Scalloped hammerhead sharkSphyrna lewini | Common | ||||||||||||
| Japanese amberjackSeriola quinqueradiata | Common | ||||||||||||
| Spotted eagle rayAetobatus ocellatus | Seasonal | ||||||||||||
| Red stingrayHemitrygon akajei | Common |
Marine forecast
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