21m
    Beginner
    Okinawa Main Island, Japan
    沖縄海岸

    Ohoba No.1 Crevasse

    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 - Ohoba No.1 Crevasse offers some of Okinawa Main Island's richest cave diving.

    Marine lifeBull Sharks, Humpback Whales, Seahorses, Sea Turtles and Clownfish · 262+ species recorded
    CharacterCave dive · max 21m
    StandoutExceptional marine biodiversity

    Ohoba No.1 Crevasse is a solid pick for divers looking to explore an overhead environment without the usual challenges. We love how the light plays inside the crevasse, creating a really unique atmosphere – it's like a natural spotlight illuminating the sandy bottom. You’ll find plenty of resident fish tucked away in the shadows, often schooling right in the entrance. It’s perfect for beginners wanting to dip their fins into cave diving; the depth is shallow, maxing out at 21m, and it feels incredibly safe. Just keep an eye on your buoyancy; the bottom can kick up if you’re not careful.

    Typical Ohoba No.1 Crevasse Dive Profile

    10m20mSafety Stop0m21m max~30 min estimated bottom time

    Illustrative profile based on site depth and type. Actual dive profiles vary - always follow your dive computer and training.

    Safety Notes

    Depth of 21m - Advanced Open Water certification recommended.

    Overhead environment - never enter without proper cave/cavern training, redundant equipment, and a guideline.

    Always perform a 3-minute safety stop at 5m before surfacing.

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

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