Okinawa Main Island, Japan
    沖縄海岸

    Onnason beach

    Protected Area

    沖縄海岸

    Why dive here

    With 262+ marine species recorded in the area - including bull sharks, humpback whales, seahorses, sea turtles and clownfish - Onnason beach offers some of Okinawa Main Island's richest diving.

    Marine lifeBull Sharks, Humpback Whales, Seahorses, Sea Turtles and Clownfish · 262+ species recorded
    StandoutExceptional marine biodiversity

    Onnason Beach offers a straightforward shore dive, convenient for a relaxed afternoon. You’ll find a sandy bottom sloping gently, with scattered coral patches providing shelter for smaller reef fish. It’s a good spot for beginners getting comfortable with their buoyancy, or for experienced divers looking to test out new gear without the fuss of a boat trip. Visibility here can vary, but on a good day, it’s a pleasant spot for an easy dip.

    Today06:2618:0611h 40m daylightGolden hour 17:35

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