Harbor Beach is a city in Huron County in the U.S. state of Michigan. The population was 1,604 at the 2020 census. The earliest settlers to this area arrived in 1837 and established a sawmill for processing lumber. The settlement eventually was named Barnettsville in 1855, as the settlement continued to grow, the town was renamed Sand Beach. In 1899, the village of Sand Beach changed its name to Harbor Beach, because of the impression that the area has nothing but sand. In 1910, it was officially incorporated into a city.