Tweet Marriott Marquis Chicago 2121 South Prairie Avenue, Illinois, United States, 60616 Go to Venue website Advertisements Upcoming events at this venue No upcoming events at this venue. Why dont you add a conference (Free) and we'll promote it on our social networks. Want to give it a go? Click here Post navigation Previous Previous post: The Ritz-Carlton, Laguna NiguelNext Next post: Hilton Boston Logan Airport