Sandy’s Diner Return to Directory Description Family Restaurant Website http://www.facebook.com/pages/category/Diner/Sandys-Diner-465846114228485/ Phone 920-398-1422 Address 51 W Water St. Markesan, WI 53946 Hours Mon-Fri 5:30-1:30 | Friday 4-7:30 | Sat 5:30-1 | Sun 6:30-1