Unieście [uˈɲeɕt͡ɕe] (formerly German Nest) is a coastal village in the administrative district of Gmina Mielno, within Koszalin County, West Pomeranian Voivodeship, in north-western Poland. It lies approximately 12 kilometres (7 mi) north-west of Koszalin and 137 km (85 mi) north-east of the regional capital Szczecin.
Before 1945 the area was part of Germany. For the history of the region, see History of Pomerania.
Unieście has a population of 1,000. Together with Mielno, which it adjoins to the west, it serves as a popular seaside resort. The two villages lie on a spit between the Baltic Sea and Jamno lake.
Coordinates: 54°16′4″N 16°5′12″E / 54.26778°N 16.08667°E