According to the United States Census Bureau, the town has a total area of 37.2 square miles (96.2 km²), of which, 31.8 square miles (82.4 km²) of it is land and 5.3 square miles (13.9 km²) of it (14.40%) is water. Naples is drained by the Songo River.

Naples Area Code is 207

• Town of Naples, ME - 15 Village Green Lane,PO Box 1757,Naples, ME 04055
  Phone:207-693-6364 Fax:207-693-3667
• Naples Public Library - PO Box 1717,Naples, Maine 04055-1717
  Phone:207-693-6841