Holland Library, now home to Alexandria Bay Chamber of Commerce, is a historic library building located at Alexandria Bay in Jefferson County, New York. It was built in 1899 and is a 40 by, two story, hipped roof building designed in a vernacular interpretation of the Richardsonian Romanesque style. It is constructed of Theresa-Alexandria Bay red sandstone. It served as a library until 1998, when it was occupied by the Chamber of Commerce. It was listed on the National Register of Historic Places in 2002.