 It includes Elm Street, Prospect Hill Road, and Noank Peninsula east of Route 215, but it excludes certain areas.The nearby Goat Island was excluded from the district, because all early buildings were destroyed by the New England Hurricane of 1938, and various streets near Elm are lined with modern houses that significantly postdate the district.Its streets are mainly winding residential lanes, with a cluster of commercial and institutional buildings at Main and Pearl Streets.