South Heights is a borough in Beaver County, Pennsylvania, United States, along the Ohio River. The population was 384 at the 2020 census. South Heights was first known as Ethel's Landing, a docking point on the Ohio River. The name of the town was changed to Shannopin when the Pittsburgh and Lake Erie Railroad established a station there. When the name of the town was changed to South Heights, the station became known as South Heights station.

Beaver County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 168,215. Its county seat is Beaver, and its largest city is Aliquippa. The county is part of the Greater Pittsburgh region of the state.