1. The Skyline Ballroom at McCormick Place

On the third floor of McCormick Place West, the Skyline Ballroom is is known as Chicago's largest. At 100,000 square feet, the room has a banquet capacity of 5,500 guests. Savor Chicago handles food and beverage for functions in the space.
Photo: Courtesy of McCormick Place
3. Cinespace Chicago Film Studios

A subsidiary of the Toronto-based company Cinespace, Cinespace Chicago Film Studios houses soundproof stages, production offices, on-site dining areas, a prop and decor rental facility, and a fully functioning studio. The venue's largest stage, which can host private events, is 100,000 square feet and can seat 2,000 guests for dinner or hold receptions for 5,000. The space has an on-site event planner and caterer.
Photo: Balloggphoto.com