The Sproul's Cafe building is a historic commercial building at 128 Main Street in Bar Harbor, Maine. The 2-1/2 story Second Empire building was built in 1880, and was home until 1903 of a nationally recognized gathering place for Bar Harbor's summer residents. The building is a rare local commercial survivor of Bar Harbor's heyday as a summer resort community. It was listed on the National Register of Historic Places in 1982. Its present retail tenant is a tourist-oriented shop.