The island is 153m high, wooded, steep-to on its N side, and about 30 miles offshore. It appears from all sides as a flattened half sphere. Rocky islets lie on a reef which extends about 1 mile S from the islands SW side and is steep-to on its outer edge. Ocean-going vessels bound E pass N of Pulau Rondo.
The island is inhabited and is sometimes visited by scuba divers. There is also a small Indonesian military outpost on the island. Accessible only boat.
An off-lying bank, with a least depth of 51m, coral rock and sand, lies with its center located about 13 miles NW of Pulau Rondo.
Anchorage may be obtained, in a depth of about 14m, during the Northeast Monsoon, with the SW extremity of Pulau Rondo bearing 103° and the NW extremity bearing 044°.
There are strong tide rips off the island and up to 20 miles WNW.