Searsport is located at (44.45843, −68.918441) [REF].
According to the United States Census Bureau, the CDP has a total area of 5.5 square miles (14.3 km2), of which, 4.4 square miles (11.3 km2) of it is land and 1.1 square miles (3.0 km2) of it (20.80%) is water.