Lake Township is a former civil township located in Macomb County in the U.S. state of Michigan. The small township consisted of 0.6 mi² (1.7 km²) of the Macomb County portion of the village of Grosse Pointe Shores, which was part of Grosse Pointe Township and mostly located in Wayne County on the western shores of Lake Saint Clair. At the 2000 census, the township population was 80.