Recommended for ages 12 and up. All patrons require a ticket regardless of age.Tour Tips:- Tour departures frequently sell-out. Reserve your tickets in advance to avoid disappointment.- Skip lines at the box office by choosing "eTickets" as your delivery method.- Make sure your entire party arrives 20 to 30 minutes early at the dock, located at the southeast corner of the Michigan Avenue Bridge at Wacker Drive.- All seats are general admission. The number on your ticket does not represent a seat number.- All seats are sold for outdoor decks. Don't worry, you won't have to sit inside.- Don't forget your camera to capture the beauty of the architecture!