Katie of Smithtown is located at 145 W Main St, Smithtown, NY. This business specializes in Barbecue Restaurants. Katie of Smithtown is open Mon, 2am-4pm; Tue, 2am-4pm; Wed, 2am-4pm; Thu, 2am-4pm; Fri, 2am-4pm; Sat, 2am-4pm; Sun, 2am-4pm and accepts American Express, Mastercard and Visa.