Official Kushimoto diving overview, Ramsar protection, and local shop network.
Sumisaki is a calm Kushimoto boat dive around pinnacles.
Sumisaki is a calm Kushimoto boat dive around pinnacles.
Boat access through a local Kushimoto dive operator is the normal setup.
Sumisaki is a boat dive in Kushimoto built around a central pinnacle with scattered outlying heads and a sandier slope to the north. The site is known for calm water, light current, and steady fish action, making it a good choice for relaxed reef-style diving, macro photography, and divers who want a simple guided route around structure rather than a high-workload drift. It is the kind of Kushimoto site where slow, careful buoyancy pays off.
Conservative baseline from public research. No community dives logged yet.
Depth range, seasonality, and planning context.
Reported Depth
12m - 27m
Depth Note
A pinnacle rises to about 12 m under the anchor; the site deepens northward to around 27 m.
Best Season
Late September to November, with good diving through much of the year.
Typical Conditions
Usually calm with minimal current, though surge can rise after rough weather.
Site conditions, restrictions, and access requirements.
Site Conditions
Safety Notes
Watch buoyancy around the pinnacles and keep an eye on swell or surge when weather has been active. Slow trim and calm positioning matter here.
Access Restrictions
Boat access only through local Kushimoto operators.
Legal Notes
Follow local operator guidance and any protected-area or weather-related site limits.
Community notes to help plan your visit.
Scuba Diving
Guided boat divers work the anchor-area pinnacle and nearby slope at a relaxed pace, with enough structure for both wide-angle and macro-style diving.
Freediving
Not a primary freedive target; Sumisaki is best treated as a guided scuba boat dive.
Snorkeling
Not a snorkel-first site; the best structure and marine life are below the surface.
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 Kushimoto diving overview, Ramsar protection, and local shop network.
English operator overview for Sumisaki conditions and fish-watching focus.
Feature write-up with Sumisaki sightings and seasonal visibility.
Local point page with recent Sumisaki-area conditions and marine-life notes.
Seasonal visibility window and Kuroshio coral context for Kushimoto.
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