Floating roughly 5–7 km off Kume Island's east coast, Hateno-hama is a pristine white sandbar often called 'the most beautiful in the Orient' and one of Okinawa's signature snorkeling spots. A 20–30 minute boat ride brings you to a shallow lagoon reef where beginners can wade straight in, with 1–4 m depths and 15–25 m visibility revealing coral gardens, schools of tropical fish, and, with luck, a sea turtle. As of July 2026, boat tours are running daily through the peak June–September season, with water temperatures around 26–29°C.
Three connected white-sand bars — Mae-nu-hama, Nakano-hama, and Oku-no-hama — stretching roughly 7 km
Shallow 1–4 m coral lagoon that's forgiving for first-time snorkelers
Colorful reef fish and occasional sea turtle sightings
Glass-bottom boat option so non-swimmers can view the reef too
Uninhabited sandbar with minimal development, keeping the reef largely undisturbed
Good to know
SafetyThe sandbar is uninhabited with no shade and no proper restrooms (only basic seasonal facilities), so once your boat departs help is hard to reach — stay with your group and follow your guide's lifejacket instructions.
SafetyCurrents pick up just outside the shallow reef flat and can pull swimmers toward open water; don't swim beyond the roped-off or guide-designated area.
SafetySea urchins live along parts of the reef edge — avoid walking barefoot near the coral rubble and consider water shoes.
SeasonVenomous habu kurage (box jellyfish) are active roughly June through September–October across Okinawa's coast, and there's no protective net this far offshore — wear a rash guard to limit skin exposure and ask your guide about current jellyfish conditions.
RulesThe sandbar is boat-access only; you cannot swim or paddle in independently, so book through a licensed local tour operator.
MannersDon't stand on or touch the coral, and keep a respectful distance from any sea turtles — no touching or feeding.
SafetyOkinawa's UV is intense; wear a rash guard and reef-safe sunscreen to avoid sunburn and heat exhaustion during the long boat and beach time.
Practical info
Fly into Kume Island Airport, then transfer to Tomari Fishing Port for the 20–30 minute boat crossing; most visitors book a half-day or full-day guided snorkel tour, typically including gear and lifejackets. Best visited April–October (peak June–September) — confirm current tour schedules and prices before you go.
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