Mattress Firm Amelia Island is located in Fernandina Beach FL, Zip Code: 32034 on the street of 1474 Sadler Rd. If you want to ask something about the furniture, mattresses, catalog, pricing, hours and directions, the Phone number is 904-261-9238. The coordinates that you can use in navigation applications to find Mattress Firm Amelia Island quickly are 30.63944 -81.45372 USA