Bonneau Beach, SC Sheds, Carports, Garages and accessory dwelling Units for Sale Sheds for sale in Bonneau Beach, SC have an average price of $8443.38 with an average square footage of 288. The average cost per square foot is $29.32. ShedHub.com is aware of 1 dealers within 20 miles of Bonneau Beach SC. The most popular shed styles at these locations are High Barns, Mini Barns, and Garages.