Come visit us at 8850 Main Rd NY 25 in Mattituck. McDonald's is proud to have become one of the world's leading food service brands with more than 36,000 restaurants in more than 100 countries. Whether you're looking to start your day with a McCafé® coffee or enjoy a mouthwatering Big Mac®, McDonald's has a meal waiting for you. For deals, mobile ordering or nutrition information, download and register on the McDonald's App today!