Oshima Island
Must TrySouthern Tokyo · Oshima Town
Volcanic island with Mt. Mihara, black-sand coast and seaside hot springs. Reached by ~1h45m high-speed ferry (or an overnight car ferry) from Takeshiba — plan at least a full day, ideally an overnight stay.
⚠️ Hours & schedule subject to change.
Why people go
KidsElderlyNo hidden chargesNo drink requiredNo table chargeParking available
Tags
IslandMountainOnsen
Hours detail
Closed onDaily
Photo: Pexels / Brayden Johnston