Originally Posted by
travelismylife
The only hotel you can walk to at ORD is the Hilton ORD- nice property. As far as the shuttles, the Marriott and Marriott Suites share a shuttle whereas the Ren.'s shuttle is only for the Ren. (may save a few minutes- no extra stop/pickup).
the Ren is nice...The Marriott needs a serious makeover...The Marriott Suites I have not stayed at.