There are 5 real estate agents found in Sylvan Lake, SD. View our Sylvan Lake real estate area information to learn about the weather, local school districts, demographic data, and general information about Sylvan Lake, SD. Get in touch with a Sylvan Lake real estate agent who can help you find the home of your dreams in Sylvan Lake. Use our mortgage calculator to see how much it would be to finance a home in Sylvan Lake. Not ready to buy yet? Find and compare apartments for rent in Sylvan Lake.