Mattress Firm Oceanside South is located in Oceanside NY, Zip Code: 11572 on the street of 3582 Long Beach Rd. If you want to ask something about the furniture, mattresses, catalog, pricing, hours and directions, the Phone number is 516-763-0264. The coordinates that you can use in navigation applications to find Mattress Firm Oceanside South quickly are 40.62309 -73.64032 USA