Visitor review mentioning scorpion fish at Nakamoto Cave.
Kuroshima Nakamoto Cave is a beginner cave dive
Kuroshima Nakamoto Cave is a beginner cave dive
The cave is normally handled as a guided boat dive from the Ishigaki side.
Kuroshima Nakamoto Cave is a scenic cave dive on Kuroshima with dramatic light, a moderate depth band, and a surprisingly approachable profile when the guide picks the right window. The cave is more about topography and calm control than speed, with enough marine life around it to reward patient divers who stay in the daylight zone.
Conservative baseline from public research. No community dives logged yet.
Depth range, seasonality, and planning context.
Reported Depth
10m - 23m
Depth Note
Nakamoto Cave is typically described at 10-23 m with gentle currents and a dramatic light-filled profile.
Best Season
year-round, especially winter through spring
Typical Conditions
Gentle currents, dramatic light, and clear water around a small-island cave site with seasonal manta activity nearby.
Hazards, restrictions, and access requirements.
Key Hazards
Safety Notes
Stay in the daylight zone, keep the team together, and avoid silting the cave.
Access Restrictions
Guided boat access is the norm, and the overhead cave profile makes this a site for disciplined buoyancy and guide-led planning.
Legal Notes
Treat the cave as an overhead site and follow guide instructions closely; do not push beyond the daylight zone.
Community notes to help plan your visit.
Scuba Diving
Light effects and topography make this a scenic cavern-style dive with critter-spotting opportunities.
Freediving
Not suitable for freediving because of the cave depth and overhead structure.
Snorkeling
Snorkeling is better on Kuroshima’s placid shoreline waters, not in the cave itself.
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
Visitor review mentioning scorpion fish at Nakamoto Cave.
Official island guide with placid waters and sea-turtle context.
Independent dive-blog context for the boat approach from Ishigaki.
Winter manta and calm-sea context around Kuroshima.
Direct cave listing with the published depth band and beginner framing.
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