Marv's Bar & Grill Inc Address: 4 E Main St, Hayfield, MN 55940 Phone: (507) 477-2626 Restaurants, Bars, Beer & Ale-Retail Other Businesses: Uncle Mony's Restaurant at 18 2nd St NE, Hayfield, MN 55940 Gary's Service at 105 Lincoln St SE, Hayfield, MN 55940 Martin Nelson Farm at 11501 30 Hwy SW, Hayfield, MN 55940 A&W Restaurant at 720 2nd St NW, Hayfield, MN 55940