Wicko Morskie is a village in the administrative district of Gmina Postomino, within Sławno County, West Pomeranian Voivodeship, in north-western Poland. It lies approximately 10 km north-west of Postomino, 21 km north of Sławno, and 183 km north-east of the regional capital Szczecin. It is located on the Slovincian Coast between the Baltic Sea in the north and Lake Wicko in the south. The village has a population of 55. A proving ground of the Polish Air Force is located in Wicko Morskie.