Filed under: Montauk Shagwong Restaurant By Nicki Donato Sep 30, 2009, 11:19am EDT The Restaurant : Shagwong RestaurantThe Deal: Three-course prime rib dinner for $18.95.When/Where: Every night; 774 Main Street, Montauk 631-668-3050. Foursquare Shagwong Restaurant 774 Main Street, Montauk, NY 11954 631 668 3050 Visit Website