In the 2016-17 season, Colón drew an average home league attendance of 25,000. Colon made their South American debut in the Copa CONMEBOL 1997 against Universidad de Chile. They subsequently reached the semi-finals where they lost to fellow Argentine side Lanús. They made their debut in South America's most prestigious club tournament (Copa Libertadores) the following season. Their first game in the group stage was a 1–2 home defeat to River Plate, although they were still to qualify for the knockout stages. After beating Olimpia on penalties they were again drawn to play River Plate, but were defeated 5–2 on aggregate in the quarter-final. In 2003, they qualified for their 3rd different continental competition (Copa Sudamericana), and they defeated Vélez Sársfield before losing to Boca Juniors. The club's current stadium is the Estadio Brigadier General Estanislao López, which holds 33,500 spectators. The ground was inaugurated in 1946, and received a renovation in 2002.