Welcome to Eleven Arches, also known as the Grace Mansion. The historic trophy property was built in 1937, by notable architect Josias Joesler, as a winter residence for Louise N. Grace, the heiress of eastern shipping magnate W.R.Grace. The privately walled and gated enclave is situated on 4.38 acres, within the prestigious gated community of The Estates at Eleven Arches, a prime location in the heart of the Catalina Foothills. Eleven Arches offers endless possibilities and generous spaces for offices, corporate events, gym, art studio, wine cellar, multi-generational living and guest/staff quarters. The distinctive estate is a world unto itself, offering 15,502 square feet of living spaces, resort-like grounds, complete privacy, unrivaled city views, and majestic mountain views.