[Goldthwait Reservation - A private, non-profit land trust created in 1947 by Dr. Joel Goldthwait to preserve and maintain the natural setting of a 12-acre coastal property in Marblehead. Goldthwait Reservation - A private, non-profit land trust created in 1947 by Dr. Joel Goldthwait to preserve and maintain the natural setting of a 12-acre coastal property in Marblehead.]