Estádio Roberto Siqueira Costa, Municipal football stadium in Serra, Brazil.

The Estádio Municipal Roberto Siqueira Costa, known as Robertão, is a football ground in the seat of the municipality of Serra, Espírito Santo, owned by Sociedade Desportiva Serra Futebol Clube. It has a natural grass pitch and opened with a capacity of about 1,400 people.

The stadium opened with a match in which Serra Futebol Clube beat Conilon 4-0, when its capacity was about 1,400 people. In 2015 club president Carlos Cândido wanted to sell it for 10 million reais to make way for car parks in the city's urban plan; it had been valued at 22 million reais and risked being auctioned. In October 2018 the club inaugurated the floodlights, bringing night games back.

The stadium honours Roberto Siqueira Costa, who began as a youth goalkeeper at Serra Futebol Clube and starred in goal for the tricolor side in the 1980s. He later worked for the club's board for nine years and also served as head coach.

The venue has floodlights that allow evening matches and events at different times of day since 2018. Visitors should expect crowded seating during bigger matches, as the stadium often fills beyond its official capacity.

The stadium is named after Roberto Siqueira Costa, a former youth goalkeeper for Serra who also worked nine years in the club's board and served as coach. In 2015, president Carlos Cândido proposed selling it for 10 million reais to build car parks; it had been valued at 22 million reais and risked auction.