Sion's Mexican Restaurant is located at 235 N Sepulveda Blvd, Manhattan Beach, CA. This business specializes in Mexican Restaurants and has 2 review(s) with a star rating of 4.5. Sion's Mexican Restaurant is open Mon, 8am-2pm; Tue, 8am-9pm; Wed, 8am-9pm; Thu, 8am-9pm; Fri, 8am-9pm; Sat, 8am-9pm; Sun, 8am-2pm and accepts American Express, Cash, Mastercard and Visa.