The CDP is located on Mount Desert Island at 44°23′9″N 68°12′34″W / 44.38583°N 68.20944°W / 44.38583; -68.20944 (44.385904, −68.209514),[2] in the eastern part of the town.

The CDP is bordered to the northeast by Frenchman Bay, including the actual Bar Harbor cove, to the west by Paradise Hill Road and to the south by Park Loop Road and Bear Brook.

The CDP extends northwest along Route 3 and the Frenchman Bay shoreline as far as Hulls Cove.

Maine State Route 233 leads west from Bar Harbor 8 miles (13 km) to Somesville.

According to the United States Census Bureau, the CDP has a total area of 3.2 square miles (8.2 km2), all land.