The newest and largest member of the Classic Cinemas family is Charlestowne 18, which opened on Friday, September 28, 2001. Located at the Charlestowne Mall in far west suburban St. Charles, the theatre features all of the latest amenities including stadium seating and digital sound.

Among the improvements added by Classic Cinemas are two new birthday party rooms and an updated color scheme to reflect its becoming a part of the family. With the addition of Charlestowne 18, Classic Cinemas now operates 12 theatres and 91 screens in the suburban Chicago and northern Illinois area.