The shore reef which fronts the coast from Tanjung Uban extends about 0.3 mile outside Sekerah. To the NE it blocks the whole of Teluk Sebong (Sebung Bay, between Sekerah and Tanjung Tondang, about 6 miles ENE; the bay is encumbered with reefs.
To precisely geolocate this site. Update if necessary.
Sites around Tanjung Uban to tanjung Tondang (N Bintan)