Conditions & tides
Scored by DiveConnect's site-physics model
Marine forecast via Copernicus Marine. Score is a rule-based guide from swell/wind vs. the site's exposure — always dive your own assessment.
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About this site
Gunkanjima (軍艦島) is a boat-dive pinnacle off Okinoerabu Island in Kagoshima Prefecture, about 15 minutes from harbour, with depths of roughly 10 to 30 m and a maximum of 30 m. It is a wide-angle site where schooling pelagics, chiefly rainbow runner and dogtooth tuna, are common and often circle divers. Suitable from beginner level.
Marine life here
Confirmed by our research team, reported by independent divers, or observed nearby via iNaturalist — each entry is labelled with its source.
Blackstriped CardinalfishOstorhinchus nigrofasciatusReported here · unconfirmed
Sunset WrasseThalassoma lutescensReported here · unconfirmed
Samurai SquirrelfishSargocentron ittodaiReported here · unconfirmed
Reeftop PipefishCorythoichthys haematopterusReported here · unconfirmed
Fiveline CoralgobyGobiodon quinquestrigatusReported here · unconfirmed
Praealticus tanegasimaeReported here · unconfirmed
Durable tips from divers — access, hazards, marine life, facilities. For day-of conditions, use the report tool in the conditions card above.
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