Ogan
About Ogan
Ogan is an uninhabited island located about 15 km southwest of the southern end of Iriomote Island, reached in roughly an hour by boat. A well-known area called “Eastern Root” features dramatic terrain with large root-like formations rising from the seafloor around 40 m. This is considered an advanced site due to fast currents and is noted for pelagic fish activity, with sightings that can include large schools and occasional whale sharks.
Where Is Ogan?
Ogan Planning Details
Depth range, seasonality, and planning context.
Reported Depth
40m+
Depth Note
The “Eastern Root” terrain is described as rising from the seafloor at a depth of 40 m.
Safety & Access At Ogan
Hazards, restrictions, and access requirements.
Key Hazards
Safety Notes
Fast currents make this an advanced site; plan dives accordingly.
Local Intel For Ogan
Community notes to help plan your visit.
Scuba
Advanced scuba site due to fast current, with terrain around 40 m depth.
Ogan Dive Conditions Planner
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Exposure Profile at Ogan
Directional shelter context for incoming swell.
Recent Logged Visits At Ogan
Community dive logs and visit reports for this site.
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Dive Spot Log Averages At Ogan
Average conditions based on logged dives & visits.
Ogan Guide - Sources and Updates
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