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Dive guide with marine life, access, and seasonal visibility notes.
Dive Spot Guide•
Okinoshima Island
Okinoshima Island is a remote boat dive off Fukuoka.
Plan Okinoshima Island as a remote offshore boat dive with seasonal visibility swings, strong fish life, and no on-site facilities.
About Okinoshima Island
Okinoshima Island is a remote boat-access dive off Fukuoka where the attraction is big schooling fish, coral slope, and a long offshore run rather than easy entry. The site sits in sacred waters with no on-site dive facility, so it works best as a full-day boat trip with a city-based operator and the right weather window. Visibility swings sharply by season, and the underwater experience gets better when you treat it as a serious offshore island dive.
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Research Estimate At Okinoshima Island
Conservative baseline from public research. No community dives logged yet.
VisibilityVisibility: 20m
AccessChallenging entry effort
CoralMixed health
Aquatic LifeGreat variety
FacilitiesNo facilities
Crowd / PopularityModerate
CurrentLight current
SurgeLight surge
Where Is Okinoshima Island?
This spotNearby spotsExplore nearby spots on the map
Community sourced coordinates.
Okinoshima Island Planning Details
Depth range, seasonality, and planning context.
Reported Depth
25m - 50m
Depth Note
The site is commonly dived around 25m, with deeper fish and coral features extending toward 50m.
Best Season
Autumn to winter.
Typical Conditions
Offshore boat dive with seasonal visibility swings, a long run from the mainland, and varied underwater terrain. Summer can be murkier, while autumn and winter are clearer.
Safety & Access At Okinoshima Island
Hazards, restrictions, and access requirements.
Key Hazards
Restricted access
Safety Notes
Treat the site as offshore and weather-sensitive, use an operator that understands the island rules, and plan the day around the long boat run and changing visibility.
Access Restrictions
Boat access only, no public transport or on-site dive facility; use a city-based diving service and respect the sacred-island rules.
Legal Notes
The island is sacred and public landing is tightly restricted, so stay with an authorized operator and do not attempt to land.
Local Intel For Okinoshima Island
Community notes to help plan your visit.
Scuba Diving
Best treated as a full-day boat dive with a city-based operator, planned around the season and sea-state rather than a short shore hop.
Freediving
Not a casual freedive site because the dive is offshore and the interesting areas extend deeper than a quick breath-hold look.
Snorkeling
Snorkeling is limited by the boat-only access and offshore setting; this is primarily a scuba destination.
Wildlife at Okinoshima Island
Species commonly reported at this site, with direct links into their wildlife guides.
Recent Logged Visits At Okinoshima Island
Community dive logs and visit reports for this site.
Dive Spot Log Averages At Okinoshima Island
Average conditions based on logged dives & visits.
Conditions
Avg. Visibility20m
Activity
No dive activity logged yet.
