The Santee Cooper Lakes are a system of lakes in South Carolina, formed by the damming of the Santee River and the Cooper River. This system includes Lake Marion and Lake Moultrie, which are the largest lakes in the state. The lakes are popular for recreational activities such as fishing, boating, and camping, attracting visitors year-round. The lakes also play a crucial role in the region's ecology and economy. They provide water for local communities and support wildlife habitats. Additionally, the Santee Cooper electric and water utility manages the lakes, ensuring sustainable use and conservation efforts.