Diamond Lake, located in Cassopolis, Michigan, is a natural lake encompassing 1,078 acres with a maximum depth of 64 feet. Approximately 60% of the lake is less than 10 feet deep, providing ample shallow areas ideal for swimming and anchoring. A notable feature is the 43-acre Diamond Island at its center, surrounded by shallow sandbars perfect for anchoring and socializing. The lake supports a diverse fishery, including bluegill, yellow perch, smallmouth bass, walleye, rock bass, and northern pike.