Bethpage is a station along the Main Line of the Long Island Rail Road. It is located at Stewart Avenue and Jackson Avenue, in Bethpage, New York, and serves Ronkonkoma Branch trains. Trains that travel along the Central Branch also use these tracks, but do not stop here.

The Main Line is a rail line owned and operated by the Long Island Rail Road in the U.S. state of New York. It begins as a two-track line at Long Island City station in Long Island City, Queens, and runs along the middle of Long Island about 95 miles (153 km) to Greenport station in Greenport, Suffolk County. At Harold Interlocking approximately one mile east of Long Island City, the tracks from the East River Tunnels and 63rd Street Tunnel into Manhattan intersect with the Main Line, which most trains use rather than using the Long Island City station.