Open-ocean drop-off, current, depth range, and large-fish summary.
Japan · Ishigaki and Iriomote
Kuroshima V-Drop is a boat-only V-shaped drop-off near Kuroshima, Okinawa.
Kuroshima V-Drop is a boat-only V-shaped drop-off near Kuroshima, Okinawa.
Boat-only exposed point; go with a local operator that can judge current and weather.
Kuroshima V-Drop is a boat-only open-ocean drop-off with a V-shaped reef cut and a compact deep profile. Divers come for manta rays, sea turtles, and schooling fish, but the site is current-sensitive and should be timed with local judgment. Expect blue water, live conditions, and a winter window that rewards careful planning.
Site Conditions
Safety Notes
Strong current and open-ocean exposure are the main hazards. Keep close to the guide, watch gas and time, and avoid pushing deeper on the drop-off when flow builds.
Access Restrictions
Boat-only access and conditions-based operation. Use a local operator; the site is skipped when wind, swell, or current are too strong.
Legal Notes
Follow local operator directions and marine-area rules for the day. Treat weather and current as part of the access limit.
Community notes to help plan your visit.
Scuba Diving
Scuba is the core use case: boat drop on the V-shaped reef edge, then drift or hold position along the wall when current allows. The draw is manta rays, sea turtles, and pelagic passes rather than static coral scenery.
Freediving
Not a freedive-first site. The exposed drop-off and current make scuba the sensible default.
Snorkeling
Surface snorkeling is secondary here; the site is mainly a scuba drop-off with manta potential when conditions cooperate.
Species commonly reported at this site, with direct links into their wildlife guides.
Conservative baseline from public research. No community dives logged yet.
Last Updated
Research Sources
Open-ocean drop-off, current, depth range, and large-fish summary.
Boat entry, depth, level, winter season, and manta/tuna summary.
Kuroshima V-drop dive log, visibility, and fish observations.

Shallow boat dive in sand with dense fish schools and groupers.

Boat-access manta hotspot with shallow stations and current.

Boat-diving island base with coral reefs, manta rays, and clear water.