 Derby is located on the shores of Lake Erie in the southwest part of Erie County and southwest of Buffalo.In the first quarter of the 20th century, many wealthy Buffalo families (i.e.Larkin, Kellogg, Schoellkopf, Mann, Trubee, Esty, Schmidt, Coit) built their summer estates there, including one called "Graycliff" designed by Frank Lloyd Wright for the family of Darwin Martin, an executive in the highly successful Larkin Soap Company.