Encounter Bay is a locality in the Australian state of South Australia located about 87 kilometres (54 mi) south of the state capital of Adelaide and about 4 kilometres (2.5 mi) south-west of the municipal seat of Victor Harbor. It consists of land at the western end of Encounter Bay partly overlooking the subsidiary bay of and which includes the headland of Rosetta Head (commonly known as The Bluff). State Route B37 passes through the locality under the names of Waitpinga Road and Bay Road, and forms part of the locality's boundary to the north-west.