This in turn is joined to the rest of Tasmania by an isthmus called East Bay Neck, near the town of Dunalley, approximately 60 kilometres (37 mi) by road from Hobart.
The Conservation Park, located on the main highway at Taranna, is a popular local visitor attraction along with the World Heritage Port Arthur Historic Site and a number of beaches.
The Pydairrerme people were a part of the larger Paredarerme language group, whose territory covered a large area of the east coast of Tasmania.
It was selected as a penal settlement because it was geographically isolated from the rest of the colony but more easily reachable by sea than the other place of secondary banishment, Macquarie Harbour on the west coast, which could then be closed down.
It also had excellent supplies of timber for shipbuilding and general construction work, and a deep sheltered harbour where visiting British warships could be repaired.
The terrain and soil types impeded large-scale agriculture, although orcharding and general farming was and is conducted in suitable locations.
During the period 1900-1930s, the main operator servicing the area was the Huon Channel & Peninsula Steamship Company, owners of several vessels including the extant MV Cartela.
At Eaglehawk Neck are many strange rock formations, including The Devils Kitchen, Tasman's Arch, Blow Hole and the Tessellated Pavement.