I love this hotel. It's elegant, efficient, spacious, clean, modern, and very well located just across the Chicago River from the Loop. The staff are exceptionally nice, the lobby restaurant/sushi-bar is cozy and reasonably priced, the rooms are tastefully decorated and clean, and of course the beds are great. For a mid-size business hotel, it really feels boutique-ish. Expect nice-size rooms and bathrooms, nice touches everywhere (like a personal computer in the room, oversize room safes, pleasant colors), and generally feeling very much at home. Even the hallways are warm and welcoming.

Beautiful Hotel with exceptional rooms. We were upgraded to the presidential floor for free. Kids really enjoyed the stay with TV,great room service and happy hour. The view of Chicago river was beautiful from your room. Close to everything Chicago stands for. Walking distance to Mag Mile, State St and a lot of well known restaurants.

We stayed here for four nights after getting a good deal on lastminute.com and honestly could not fault it in anyway, The staff were pleasent and courteous( the concierge in particular was helpful in booking us a river cruise), with check in swift and hassle free, we had a spacious partial river view room with an extremely comfortable bed and an excellent power shower ,
We were room only so cannot comment on the hotel food but Einstiens Bagels is only a block away and was very reasonable for breakfast.
In terms of location we got a blue line train from terminal 3 at O'Hare straight into Park and Lake (about 45mins) and the hotel was only a 5minute walk away, about 10 minutes walks you to the mag mile one way and to the shops of North State Street the other ( Filenes, Old Navy, Macys etc ).
The house of blues was just across the road which is a must see and there are plenty of bars and restaurants in close proximity

My wife and I both live in Chicago, and this continues to be one of our favorite places for a special night together. We spent our wedding night there and like to regularly spend a night downtown to connect with each other.

The staff is wonderful and pays attention to every detail. The rooms are very nice and most have a wonderful view of the Chicago River. In June, when we are doing construction on our house, we are planning on staying at the Westin for two weeks.