Port Arthur is located approximately 60 kilometres (37 mi) south east of the state capital, Hobart, on the Tasman Peninsula. The scenic drive from Hobart, via the Tasman Highway to Sorell and the Arthur Highway to Port Arthur, takes around 90 minutes and covers approximately 96 kilometres (60 mi). Transport from Hobart to the site is also available via bus or ferry, and various companies offer day tours from Hobart.
At the 2006 census, Port Arthur and the surrounding area had a population of 499