Stansbury (postcode 5582) is a small town, located in the southern east coast of Yorke Peninsula, South Australia. At the 2011 census, Stansbury had a population of 543 people. It is located 25 kilometres (16 mi) south of Minlaton and 22 kilometres (14 mi) east of Yorketown. It faces the Gulf St Vincent across Oyster Bay, where shellfish were originally harvested in the 19th century. The town has also been a port used in the export of wheat and barley to Adelaide. There is a country-style market which runs each Sunday, and was the first of its kind within the Yorke Peninsula region.