Bayport Aerodrome (FAA LID: 23N) (formerly known as Davis Field) is a historic rural airport one mile northwest of Bayport, New York. The airport has a grass runway and is owned and operated by the Town of Islip. It is home to a non-profit organization that specializes in antique airplanes, known as the Bayport Aerodrome Society, which was established in 1972.
Bayport Aerodrome is not used for commercial aviation, such as the nearby Long Island MacArthur Airport. The airport has been listed on the National Register of Historic Places as a national historic district since January 22, 2008.