Mattress1 One – The Leading Mattress Store in Florida and Texas 150+ Locations in Florida and Texas Mattress1 One is the #1 mattress store for Florida and Texas residents shopping for a great price on top name brand mattresses like Tempur-Pedic, iComfort, Sealy, Serta, Simmons, Stearns and Foster, and Kingsdown. We carry a full line of mattresses including traditional, gel foam and memory foam mattresses in all sizes from twin to king and everything in between! We have more than 150 stores conveniently located throughout Florida – and now in Houston, Texas – to make mattress shopping convenient, quick, and easy. So no matter where you live in Florida, and in Houston, Texas, we have a mattress store near you.