Geography According to the United States Census Bureau, the town has a total area of 189.5 square miles (490.7 km2), of which, 53.6 square miles (138.8 km2) of it is land and 135.9 square miles (352.0 km2) of it (71.72%) is water.
Geography According to the United States Census Bureau, the town has a total area of 189.5 square miles (490.7 km2), of which, 53.6 square miles (138.8 km2) of it is land and 1359 square miles (352.0 km2) of it (71.72%) is water.