Naval 1º de Maio is a Portuguese football club based in Figueira da Foz. They currently feature in the Portuguese Liga.
Naval were established in 1893 but could never make their impression on domestic Portuguese football.
Naval are often said to be the ugly duckling of Portuguese football as they have one of the lowest attendance rates in the nation. They are a small club and usually struggle for survival in the Portuguese top flight.
Naval play their home matches at the Estadio Municipal Jose Bento Pessoa that can accomodate 12,630 spectators.