Official Nagannu Island site with access and island facilities.
Easy Nagannu reef south of Naha
Nagannu South is a relaxed boat-access reef off Naha on the southern side of Nagannu Island in the Chibishi group. White sand, coral, and shallow reef structure make it an easygoing site for beginners, snorkelers, and anyone who wants a calm reef day. Green turtles are common, and the sandy patches can also hold rays and reef sharks.
Conservative baseline from public research. No community dives logged yet.
Depth range, seasonality, and planning context.
Reported Depth
5m - 20m
Typical Conditions
Best as a relaxed reef day with shallow coral, sandy patches, and easy scanning.
Hazards, restrictions, and access requirements.
Safety Notes
Keep a light kick over the sand and coral and give the boat crew time to set up the run.
Community notes to help plan your visit.
Scuba Diving
水深5〜20mと比較的浅めで、まったりとしたダイビング向きです。
Species commonly reported at this site, with direct links into their wildlife guides.
Community dive logs and visit reports for this site.
Average conditions based on logged dives & visits.
Planning answers for access, conditions, timing, and site logistics.
Last Updated
Research Sources
Official Nagannu Island site with access and island facilities.
Local operator page for the half-day Kerama dive plan.
Kerama trip context and Nagannu site list from a local dive centre.
Know this site? Improve Spot Details.

Boat dive on Nagannu North with coral slope and seasonal marine life.

Chibishi boat dive with coral bommies and clear water.

Kamiyama Labyrinth is a shallow topography dive near Naha.