Apart from football, other sports and activities hosted by the institution are basketball, boxing, fencing, field hockey, futsal, martial arts, artistic roller skating, rugby union, and tennis.

In 1929 the team won the La Matanza Partido league (named "Copa Adrián Beccar Varela" honoring former president of the Association).

In an assembly held short later, the club decided to return to tournaments using its original name and colors but Almirante Brown was not allowed to take part due to there was no place for new teams.

In 1956 the club affiliated to Argentine Football Association filling the vacant left by defunct Deportivo San Justo, merged to Almirante Brown.

In 1956 Almirante made its debut at "Tercera de Ascenso", the fourth division of the league system (current Primera D), winning its first official title that same season.

Some of the players were Oscar Cadars, E. Ibarra, Miguel Cervello, Roberto Álvarez, Juan Carlos Ronchi, Andrade, Risso, Montero, Vicente Monteagudo, Roberto Emilio Migliore, Horacio Darío Onzari, Orlando Sicca, G. Kopiska, Palma, Federczuk, F. Ruffa, Juan Carlos Faedda, O. Grela, José Benigno Sanez, N. Montero, Risso, De Masi, Osvaldo Guenzatti, Alberto Violi, Francisco Sánchez, Alfredo Martínez, Diego Zavaleta, R. Román, Leiga, H. García, R. Lázaro, Umbert and Villarino, all of them coached by Marcos Busico.

In 1998 Almirante was relegated to Primera B Metropolitana, returning to the second division in July 2007, after defeating Estudiantes de Buenos Aires 1–0 at Racing Club stadium in Avellaneda.

During the match, Almirante Brown supporters throw a bomb to the field, that caused player Cáceres and Cubito lost consciousness.