There are 121 real estate agents found in Sandwich, IL. View our Sandwich real estate area information to learn about the weather, local school districts, demographic data, and general information about Sandwich, IL. Get in touch with a Sandwich real estate agent who can help you find the home of your dreams in Sandwich. Use our mortgage calculator to see how much it would be to finance a home in Sandwich. Not ready to buy yet? Find and compare apartments for rent in Sandwich.