Blue Duck $8 Burger Special: House ground smashed chuck patty on potato bun with Swiss cheese, roasted mushrooms, fried pickled red onions and garlic aioli. Click to enlarge Location Blue Duck 2661 Sutton Blvd, Maplewood, MO 63143, USA (314) 769-9940 Website Open in maps Takeout Available Veggie Option Available Hours Tuesday - Saturday 10AM-9PM Sunday 10AM-3PM