Östanbäck is a village in Skellefteå Municipality, in Västerbotten County, Sweden. Östanbäck lies at 38 m above sea level. The nearest city is Skellefteå, 14.6 km to the southwest. Beaches nearby: Boviksbadet (10 km). Among the landmarks around are Lejonströmsbron (15.8 km), Gravfält (6.4 km) and Kåge Church (6.5 km).