[1] CF União de Lamas currently plays in the AF Aveiro Campeonato Sabseg.

The club was founded in 1932 and they play their home matches at the Comendador Henrique Amorim in Santa Maria de Lamas.

The club's most successful spell came in the mid-1990s, from 1995 to 2003, when they played in the Liga de Honra, Portugal's second-tier league.

Their best classification overall was a 4th place in the Second Division North Zone in 1980, which at that time was the second-tier league in Portugal.

The club has also entered the national cup competition known as Taça de Portugal on many occasions.