Dumaran has an approximate area of 336.25 square kilometers or 129.83 square miles, and roughly has a coastline length of 166.17 kilometers or 103.25 miles. The island is situated at approximately 10.5471, 119.8403. Elevation at these coordinates is estimated at 23 meters or 75.46 feet above mean sea level.
Cities and towns
- Land area figures and coastline length were calculated from OpenStreetMap data.