We happen to live and work very near to the 360 Observation Deck. When relatives with young children came to town, we decided to be tourists with them. They had wanted to visit a different, very tall and famous, observation deck in town but we knew that the views from this building were far better. Because we had multiple activities planned for that day it was also great to start here so that we could show the kids, ages 5-11, the route we were going to walk and the other things we were going to see. We arrived around 11am on a Monday. No lines despite the fact that it was a holiday week. The deck is clean, comfortable and spacious. There is a small bar/snack area and plenty of bathrooms. Gift shops at the top and bottom. I love this particular observation deck because of the great beach/lake and navy pier views.