About This Place
Sister Bay is a village in Door County, Wisconsin, United States. The population was 886 at the 2000 census.
Sister Bay is located at 45°11′14″N 87°7′26″W / 45.18722°N 87.12389°W / 45.18722; -87.12389 (45.187192, -87.123852).
According to the United States Census Bureau, the village has a total area of 3.0 square miles (7.9 km²), of which, 2.6 square miles (6.7 km²) of it is land and 0.5 square miles (1.2 km²) of it (15.08%) is water.