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Blue Cave, Onna-son

4.2
#2 of 27 in Nature in Kunigami-gun
Cave · Hidden Gem · Nature / Park
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Enjoy snorkeling at Blue Cave, a natural ocean cave famous for its striking blue light. Join a tour to visit the cave, where you can dive or snorkel among the schools of tropical fish that inhabit the crystal clear cave waters. Enjoy the picturesque scenery and peaceful atmosphere of the cave, illuminated in a shimmering blue color by sunlight reflecting off the pearly white limestone floor and filtering through the transparent ocean water. Put Blue Cave at the forefront of your travel plans using our Onna-son road trip planner.
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Blue Cave reviews

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TripAdvisor traveler rating
TripAdvisor traveler rating 4.5
942 reviews
Google
4.6
TripAdvisor
  • Awesome place to come visit for snorkeling and or diving. Unseated is neat and you can really take in the beauty. There is also some cool tunnels to get into the cave. Watch out for all the tourists.....  more
    Awesome place to come visit for snorkeling and or diving. Unseated is neat and you can really take in the beauty. There is also some cool tunnels to get into the cave. Watch out for all the tourists.....  more »
  • If the Blue Cave is worth visiting then it's because of how hilariously absurd of an experience it is. To be clear, the cave itself is actually quite nice, this is not the issue. The problem is that.....  more
    If the Blue Cave is worth visiting then it's because of how hilariously absurd of an experience it is. To be clear, the cave itself is actually quite nice, this is not the issue. The problem is that.....  more »
Google
  • Excellent deeper water snorkelling with an enjoyable cave. Sometimes it's only open for scuba because of strong waves. If so, you can walk 10 minutes south to the 2 wonderful (yet quiet) connecting public beaches that have great protected shallow water snorkelling (no big waves). You can walk 200m out and the water only gets 1m deep, so it's better than Blue Cave if you have kids. There are 2 easy beach access point, the farthest/easiest is across from the pizza restaurant.
  • Went there for snorkeling. That was a great experience. It does feels like cave color is blue because of the water color

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