Mattress Stores Massapequa Park NY. On a daily basis, we strive to provide our clients with the best interior design services in the industry. You can also trust us to supply our furniture in good time and at good prices. Mattress Gallery, Living Room, Bedroom and Kids Furniture. We carry thousands of more items that are not posted on our website, so please feel free to come into our showroom and check out our catalogs for a wider variety.