List of Ralphs Stores in Watertown, MA Outlet Note Regular Brands Ralphs Massachusetts Watertown Rating 4.5 based on 75 votes Products Flowers Supermarket Pharmacy Grocery Market Thanksgiving Dinner NameAddressPhone Name/Address/Phone Ralphs outlet - Watertown 203 Arlington St, #3b (617) 393-9800 Ralphs outlet - Watertown 485 Arsenal St, #1 (617) 926-4345 People Also Viewed