Don Gustavo's Mexican Restaurant is located at 26012 Marguerite Pkwy Ste A, Mission Viejo, CA. This business specializes in Mexican Restaurants. Don Gustavo's Mexican Restaurant is open Mon, 11am-9pm; Tue, 11am-9pm; Wed, 11am-9pm; Thu, 11am-9pm; Fri, 11am-9:05pm; Sat, 9:05am-9:05pm; Sun, 9:05am-9pm and accepts American Express, Cash, Discover, Mastercard and Visa.