Toujima
This dive area in the southern part of the Izu Peninsula is influenced by the Kuroshio (Black Stream), bringing seasonal changes in underwater scenery. The seascape is described as being shaped over long periods, offering varied environments for divers. Encounters can include eagle rays in early summer and sea turtles year-round, with occasional sightings of hammerhead sharks. In winter, humpback whales may pass offshore and are sometimes visible with good luck.
Best season
Seasonal highlights: early summer for eagle rays; winter for potential humpback whale sightings; sea turtles year-round.
Typical conditions
Influenced by the Kuroshio (Black Stream), with underwater scenes changing by season.
Access, coral, life, crowds, and facilities.
Aquatic Life
Eagle rays may appear in early summer, sea turtles are reported year-round, and hammerhead sharks are sometimes seen; humpback whales can pass offshore in winter.
Current snapshot
Weekly trends
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