About Waterford Banquet The Waterford Banquet and Conference Center is a 30, 000 square feet facility, which boasts a comprehensive range of rooms in a wide array of configurations. The facility features a 12, 000 square feet Grand Ballroom equipped to accommodate up to 1500 guests. Our facility is graced by a picturesque courtyard featuring an elegant gazebo to a grand lobby where the guests may mingle prior to their respective events. The Waterford in also one of the only facilities in the area that offers a beautiful outdoor terrace where guests can relax during conference breaks or enjoy hors doeuvres and cocktails prior to a Grand Reception. Located only one mile away from Oakbrook Corporate Center and Oakbrook Mall, its easily accessible from I-290, I-88, I-294, I-355 and I-55.