Dam Diner LLC is located at 118 River Road Ext, Cos Cob, CT. This business specializes in Restaurants Diners. Dam Diner LLC is open Mon, 8am-2:05pm ; Tue, 8am-2:05pm ; Wed, 8am-2:05pm ; Thu, 8am-2:05pm ; Fri, 8am-2:05pm ; Sat, Closed ; Sun, Closed. and accepts Cash, Discover, Mastercard and Visa.