Displayed below are condos for sale in Castlewood, a condominium in San Antonio. Castlewood is located in the heart of the Medical Center in San Antonio, TX 78229. Search San Antonio condos, townhomes and lofts. For your convenience, you can request more info or schedule a showing from the detail page of each of these Castlewood condominium real estate listings. And, register for a free account to automatically receive email alerts whenever new Castlewood condos hit the market.