Siaes Tunnel
About Siaes Tunnel
Siaes Tunnel is a boat-access dive site about 30–40 minutes from Koror. It features a large underwater cavern with an entrance around 28 m and a maximum depth near 45 m. Black coral can be seen near the top of the cavern, and divers may encounter whitetip reef sharks in the surrounding area.
Where Is Siaes Tunnel?
Siaes Tunnel Planning Details
Depth range, seasonality, and planning context.
Reported Depth
28m - 45m
Depth Note
Cavern entrance at 28 m with a stated depth of 45 m.
Safety & Access At Siaes Tunnel
Hazards, restrictions, and access requirements.
Key Hazards
Safety Notes
This is an overhead cavern dive with depths to about 45 m; appropriate training and gas planning are important.
Local Intel For Siaes Tunnel
Community notes to help plan your visit.
Scuba
Large underwater cavern dive with an entrance around 28 m and depth to about 45 m.
Siaes Tunnel Dive Conditions Planner
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Exposure Profile at Siaes Tunnel
Directional shelter context for incoming swell.
Recent Logged Visits At Siaes Tunnel
Community dive logs and visit reports for this site.
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Dive Spot Log Averages At Siaes Tunnel
Average conditions based on logged dives & visits.
Siaes Tunnel Guide - Sources and Updates
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