Zastań [ˈzastaɲ] (German Zünz) is a village in the administrative district of Gmina Wolin, within Kamień County, West Pomeranian Voivodeship, in north-western Poland. It lies approximately 15 kilometres (9 mi) north of Wolin, 7 km (4 mi) west of Kamień Pomorski, and 62 km (39 mi) north of the regional capital Szczecin.

The village has a population of 120.