The Bay of Lübeck (German: Lübecker Bucht) is a basin in the southwestern Baltic Sea, off the shores of German states of Mecklenburg-Vorpommern and Schleswig-Holstein. It forms the southwestern part of the Bay of Mecklenburg.
The main port is Travemünde, a borough of the city of Lübeck, at the mouth of river Trave. The Elbe–Lübeck Canal connects the Baltic Sea with the Elbe.
Coordinates: 54°09′33″N 11°19′20″E / 54.15917°N 11.32222°E