The Sines Municipal Stadium, owned by the Sines City Council, is the stadium where the football teams of the city of Sines play. Its natural grass pitch, for 11-a-side football, was inaugurated in 1991. Its first synthetic pitch, for 11-a-side football and 7-a-side football, built with the support of Galp Energia, was inaugurated on October 5, 2010. Its second synthetic pitch, for 7-a-side football, was inaugurated on October 5, 2023.