Lake Macatawa is a lake in Ottawa County in the U.S. state of Michigan. The lake is about 6 miles (10 km) long with a maximum width of 1.2 miles (1.9 km) and a surface area of 1,700 acres (2.7 sq mi; 6.9 km2). The average depth of the lake is variable but generally less than 10 feet (3 m), excluding a navigation channel of fixed depth that crosses the lake to allow deep draft ships to access the dock at the City of Holland.The lake occupies portions of Park Township, Holland Township, and the City of Holland.