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Izu Peninsula dive sites

Japan · Browse dive locations by depth, type and conditions.

Best Season

June–September

Skill Levels

intermediate

Nearby Cities

Numazu

All dive sites

reef

Osezaki

Numazu · Izu Peninsula · Japan

Premier temperate water site near Tokyo with unique mix of tropical and cold-water species, seasonal hammerheads, and superb macro life.

Depth30m
Levelintermediate
Entryshore
Currentmild
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Diving in Izu Peninsula

Izu Peninsula offers reef dive sites across 1 location. Browse dive locations by depth, type and conditions before planning your dive.

FAQ

How far is Osezaki from Tokyo?

Approximately 2 hours by car or train from Tokyo, making it one of the most accessible quality dive sites for Tokyo-based divers.

When are hammerheads seen?

Hammerhead sharks are occasionally seen during summer months (July-September) when warm Kuroshio Current waters reach the Izu Peninsula.

Is a drysuit needed?

Outside of summer (July-September), water temperatures can drop to 16 degrees Celsius, making a drysuit highly recommended. In summer, a 5mm wetsuit is usually sufficient.

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