Although the club is mostly known for its football team, Atlético Chascomús has also competitive teams in other disciplines, such as rugby union (affiliated to the URBA), field hockey (with teams playing in the Cuenca del Salado regional league), and basketball (playing in Asociación Platense de Básquet of La Plata).

Other sports hosted by Atlético are swimming and tennis.

Atlético Chascomús is affiliated to the Liga Chascomunense de Fútbol, having won the most titles with 20 championships.

[4] Club's main rival is the other football team of the city, Tiro Federal, also playing in the Chascomús league.

Atlético Chascomús rugby union team currently plays in Segunda, the 5th.