The East Blue Hill Post Office is a small rural post office building at 13 Curtis Cove Road in East Blue Hill, Maine. Built by postmaster George Long in the 1880s or 1890s, it is a rare statewide example of a privately owned post office building, built without reference to United States Postal Service standards. Now owned by a local non-profit, it is still the community's post office. It was listed on the National Register of Historic Places in 2003.