Germein Bay is a locality in the Australian state of South Australia about 205 kilometres (127 miles) north of the state capital of Adelaide and about 6 kilometres (3.7 mi) northeast of the city of Port Pirie.

[1] Its boundaries were created for the “long established name” for the portion within the Port Pirie Regional Council in March 1997 followed by the portion within the District Council of Mount Remarkable at a later time.

[1] The locality occupies land on the coastline in the south-eastern corner of Germein Bay.

The Adelaide-Port Augusta railway line passes through the locality on its east side.

[7][8] Germein Bay is located within the federal division of Grey, the state electoral districts of Frome and Stuart and the local government areas of the Port Pirie Regional Council and District Council of Mount Remarkable.