Hotels Marriott Marquis Chicago opens By Danny King / September 12, 2017 Share 1 -- The Marriott Marquis Chicago has opened adjacent to the McCormick Place convention center and the new 10,000-seat Wintrust Arena. With 1,204 guestrooms, the hotel is Chicago's largest to open this year. The modern glass exterior is presented as a contrast to the 105-year-old American Book Co. next door. The hotel's public spaces feature Chicago artists' work inspired by city sights. Artwork includes a video-enabled QR code, so guests can conduct their own tour of the pieces using their smartphones. The hotel's design team collaborated with Chicago-based AudioTree to produce a video available on the guestroom TVs, featuring details about the inspiration of each art piece through interviews. Guestrooms feature a grey-and-white color scheme to complement the city views outside. The property has 93,000 square feet of meeting space, including two 25,000-square-foot ballrooms and 29 meeting rooms of various sizes.The hotel's 33rd floor later this year will debut a 4,000-square-foot events space with 180-degree views of the city and Lake Michigan.The hotel is Chicago's sixth largest in terms of guestrooms, behind the Hyatt Regency Chicago, Palmer House, Hilton Chicago, Hyatt Regency McCormick Place and Sheraton Grand Chicago.