The lounge is mostly for the finger foods and cocktails while the signature room is meant for dinner and the view mostly! I would suggest getting reservations for the room to get a good window seating but the lounge doesn't take any reservations unfortunately and doesn't have really great views if you have already been to the Sears building. Although it's a good place for couples to have a nice time.
The kids will be fine. It's a great atmosphere. I saw kids from 5 years old to 14 years old last week.
I kinda have mixed feelings about bringing children in the evenings. There's a separate upstairs club that doesn't exactly scream "family time". The kids would definitely get a kick out of the firework show at Navy Pier
Yes, although it may be more fun for them if you picked up some fake ID's beforehand. Views are great, even with a kiddie cocktail
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