Originally Posted by
ohmark
You will find that in the Chicago threads here, the downtown Renaissance is preferred by a wide margin over any other Chicago Marriott property. Try for a room facing the river.
Using the search function will turn up lots of Chicago threads.
I've stayed at most of the ORD FS properties and I agree with downtown Ren being the best overall. A close second and third would be the ORD Ren and the Shaumburg Ren.