Rialto Square Theatre is a Reception Venue in Joliet, IL. Read reviews and contact Rialto Square Theatre directly on The Knot. Rialto Square Theatre and other unique Chicago area wedding venues. Compare info, pricing, and review photos. Read detailed information on Illinois event. Rialto Square Theatre About Concets/Shows Tickets Directions Tours Weddings Venue Rental Support An event such as yours deserves the Rialto. The Rialto is a place like nowhere else; we must make sure it never goes away. About Concets/Shows Tickets Directions Tours Weddings Venue Rental Support They each have experience working here at the Rialto, please take them into *All caterers on the Rialto Square Theatre's Preferred Caterers list will be. Rialto Square Theatre: Stunning wedding venue - See traveler reviews, 26 candid photos, and great deals for Joliet, IL, at TripAdvisor. The Rialto Square Theatre is considered one of the 10 most A great venue for all types of performances - concerts, plays, comedians, etc. Beautiful theatre.