Malamaui is an island in the Philippines under the jurisdiction of Isabela City in the province of Basilan. The island lies within the Sulu Sea.

Malamaui has an approximate area of 17.54 square kilometers or 6.77 square miles, and roughly has a coastline length of 18.33 kilometers or 11.39 miles. The island is situated at approximately 6.7326, 121.9599. Elevation at these coordinates is estimated at 65 meters or 213.25 feet above mean sea level.


  1. Land area figures and coastline length were calculated from OpenStreetMap data.
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