Pulau Saya, located about 30 miles NW of Pulau-pulau Tuju, is steep-to, of granite formation, covered with wood, and has a double-peaked 210m high summit; the N peak is about 18.3m less in elevation than the S one, and both peaks are in range on a 180° and opposite bearing.
A small village is situated on the NW side of the island.
Nyamuk is the N of two steep granite rocks lying 0.75 mile N of Pulau Saya. A rock, awash at LW, lies between the islets.
Less water than charted has been reported (1995) about 7 miles SSW of Pulau Saya.