Schmachter See is a lake near Binz on the German Baltic Sea island of Rügen. It lies within the county of Vorpommern-Rügen in the state of Mecklenburg-Vorpommern. It has an elevation of 1.1 metres above sea level and its surface area is 1.18 km2. It is part of the Schmachter See and Fangerien Nature Reserve.