Kellidie Bay is a locality in the Australian state of South Australia located on the Eyre Peninsula in the state’s west overlooking parts of the body of water known as Coffin Bay about 290 kilometres (180 mi) west of the state capital of Adelaide and about 42 kilometres (26 mi) south-west of the municipal seat of Cummins.

Thirdly, some land in its north is zoned for ‘aquaculture’ for the provision of “land-based facilities for marine-based aquaculture farms” located within the Kellidie Bay water body.

Finally, the remainder of the land in the north being zoned either as ‘Primary Production’ or for ‘Water Protection’ in respect to the management of the aquifer system existing under land within the southern end of the Eyre Peninsula.

[1][9] The Kellidie Bay Conservation Park occupies land in the locality's south-east corner.

[10] Kellidie Bay is located within the federal division of Grey, the state electoral district of Flinders and the local government area of the District Council of Lower Eyre Peninsula.