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Ogan

Type:
Scuba DivingFreediving
Entry:âš“Boat Entry
Difficulty:Advanced
Tags:
Reef
About This Dive Spot

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.

Planning details
Reported depth and seasonality.

Reported depth

40m+

Depth note

The “Eastern Root” terrain is described as rising from the seafloor at a depth of 40 m.

Safety & access
Hazards, restrictions, and required precautions.

Hazards

Strong current

Safety notes

Fast currents make this an advanced site; plan dives accordingly.

Where is this?
Map location of Ogan
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Local intel
Community notes to help plan your visit.

Tailored notes for different activities.

Scuba

Advanced scuba site due to fast current, with terrain around 40 m depth.

Dive Spot Log Averages
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Dive Conditions Planner
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Frequently Asked Questions

What's the best entry point at Ogan?
Entry at Ogan is detailed in the spot description above. Look for specific landmarks, access paths, and any tide or condition requirements. Local divers often share updated entry tips in their dive logs.
What conditions are best for diving Ogan?
Optimal conditions at Ogan depend on several factors including tide, wind, and season. Check recent dive logs for current condition reports and patterns. Generally, calmer seas and high tide provide better visibility and easier entry.
What is the maximum depth and typical visibility at Ogan?
Depth and visibility information for Ogan can be found in the spot details and recent dive logs. Conditions can vary significantly based on weather, tide, and season. Always plan your dive according to current conditions and your certification level.
Are there any safety considerations or local etiquette at Ogan?
When diving Ogan, respect local regulations, marine life, and other water users. Be aware of any specific hazards like currents or boat traffic mentioned in the spot description. Follow Leave No Trace principles and local diving etiquette.