Map location of Siaes Tunnel
Dive Spot Guide

Siaes Tunnel

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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?

Map location of Siaes Tunnel
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Community sourced coordinates.

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

Overhead environment

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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Visibility Outlook
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Exposure Profile at Siaes Tunnel

Directional shelter context for incoming swell.

Exposure Note

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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.

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Siaes Tunnel Guide - Sources and Updates

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