Marine Club Nagi

Kamenone, a 5-min dive from Maeganeku Port in Onna, Okinawa, offers an 80% chance to see green turtles feeding, resting, surfacing, and diving. Hawksbill turtles also appear447. With calm conditions and daily turtle encounters, it’s an ideal site for relaxed dives and close marine life observation.

The Pink Marlin Buoy in Onna Village, Okinawa, is a top dive site about an hour from Naha Airport. Accessible by boat or beach, it’s famous for the “Blue Cave,” where sunlight creates a stunning blue glow. You can surface inside, though expect many snorkelers.

The “Blue Cave” at Cape Maeda, Onna Village, Okinawa, is famous for its mystical blue light, created by sunlight reflecting off the white sandy bottom. With depths of 5–7m, it’s ideal for all levels, offering rich marine life inside and out, and is a top spot for snorkeling and experience diving.

Maeda Kikumaru Buoy in Onna Village, Okinawa, is a boat-entry site near the famous Blue Cave. Known for clear waters and rich marine life, it features large schools of blue corals and black anemonefish, making it a popular and scenic spot for divers.

Tourist attraction for the walking trails and Blue Cave. Heavily advertised for the Blue Cave. You can enter it on the surface or under water. To enter the dive site from shore you will need to walk down 90+ stairs. Great spot for beginners, however pay attention to your depth. The visibility can be 100' on any day. Due to the amount of fish at this site it can be like diving in an aquarium. Facilities: Restroom on site during (Seasonal hours) Pay Parking (Yen only - Cash) Shower rooms (Yen only - Cash)

Mogurin in Onna Village, Okinawa, once cruised by Japan’s only sightseeing submarine, offers depths from 5–30m and suits beginners. Home to butterflyfish, clownfish in giant anemones, and resting white tip sharks at the drop-off, it’s a quiet alternative to the crowded Blue Cave.