Estádio do Sernamby, Football stadium in São Mateus, Brazil.

Estádio do Sernamby, officially Estádio Manoel Moreira Sobrinho, is a football ground in the Sernamby neighbourhood of São Mateus, Espírito Santo, home of Associação Atlética São Mateus. It began as a community education and recreation centre opened on 5 March 1965, with three classrooms, a typing school and a hall. A two-storey building beside the pitch served as dressing room and players' lodging.

Construction began in December 1963, and the stadium opened in early 1965 with a regional match. Multiple expansions followed over the following decades to increase seating and improve facilities.

The stadium carries the name of Manoel Moreira Sobrinho, a community figure recognized for his work with local residents. His legacy remains connected to the life of the city through this sporting venue.

The stadium is located in São Mateus and is accessible through local routes. Visitors planning to attend a match should check ahead for event schedules, as the venue primarily hosts regional football competitions.

The ground began not as a stadium but as a community centre: on 13 December 1963 residents of the Sernamby neighbourhood met and decided to build a recreational centre, and eight days later mayor Otívio de Almeida Cunha donated the 16,000 m² plot. The centre opened on 5 March 1965 with three classrooms, a typing school and a hall for community parties.