Crooked Lake is a State registered Outstanding Florida Water that is located in southeast Polk County, Florida, United States. The lake is located west of Babson Park, north and west of Hillcrest Heights and east of Crooked Lake Park. Crooked Lake is one of the largest lakes in Polk County both in terms of area and total volume with a maximum depth of and over of water. Originally known as Caloosa Lake by the Indians, it is located on the Lake Wales Ridge, one of the highest areas in peninsula Florida.