Beaver Bay is a city located in Lake County, Minnesota. As of the 2000 census, the city had a total population of 175.
According to the United States Census Bureau, the city has a total area of 2.7 km2 (1.0 mi2). 1.3 km2 (0.5 mi2) of it is land and 1.4 km2 (0.5 mi2) of it is water. The total area is 52.43% water.