Boats depart every 45 minutes from Circular Quay and Darling Harbour, taking in all the famous harbor-side attractions of Sydney Harbour. Selected cruises also stop at Shark Island (National Park entry fees apply).Why not spend a few hours at Taronga Zoo. Choose the zoo option and enter the zoo in style with a ride on the Sky Safari Gondola and entry ticket to the zoo. With over 2,900 exotic and native animals, free zoo-keeper talks and animal shows, there is something for everyone. Please refer to "View Additional Info" for the hop-on hop-off cruise route