Tongkil is an island in the Philippines under the jurisdiction of Banguingui in the province of Sulu. The island lies within the Celebes Sea.

Tongkil has an approximate area of 50.37 square kilometers or 19.45 square miles, and roughly has a coastline length of 56.62 kilometers or 35.18 miles. The island is situated at approximately 6.0458, 121.8010. Elevation at these coordinates is estimated at 6 meters or 19.69 feet above mean sea level.


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