Howie's Diner Address: 60147 State Route 20, Marblemount, WA 98267 Phone: (360) 873-4503 Restaurants, Diner Other Businesses: Que Car BBQ at 60076 State Route 20, Marblemount, WA 98267 Mondo Restaurant at 60102 State Route 20, Marblemount, WA 98267 Buffalo Run Inn at 60117 State Route 20, Marblemount, WA 98267