Port Stephens Coaches (4982 2940) runs to and from the airport almost hourly, with reduced trips at the weekend (per person $6, 35 minutes). Otherwise, call a cab (4979 3000).
All travel on the blue and white buses around the city centre is free.
Newcastle Buses & Ferries (13 15 00) offers a 24-hour service ($8/4 adult/child bus and ferry) around Newcastle and the eastern side of Lake Macquarie. Jump on the Stockton Ferry at Queens Wharf (one way adult/child $2/1).