List of Dunkin' Donuts Stores in Port Jefferson, NY Outlet Note Regular Brands Dunkin' Donuts New York Port Jefferson Rating 4.7 based on 82 votes Official Website http://www.dunkindonuts.com/ Products Beverages Coffee Food Breakfast Sandwiches Iced Coffee Bakery NameAddressPhone Name/Address/Phone Dunkin' Donuts outlet - Port Jefferson 122 Main St (631) 473-7937 People Also Viewed