The Railroad Museum of Long Island is a railway museum based on the North Fork, of Long Island, New York, in the United States. It has two locations, the main location in Riverhead, and a satellite location in Greenport, west of the North Ferry to Shelter Island. Both facilities contain active model railroad displays and gift shops.

Riverhead is a station along the Main Line of the Long Island Rail Road. It is located on Osborne Avenue and Railroad Street in Riverhead, New York, north of NY 25 and the Suffolk County Court House.