Buy king single mattress online from MyDeal. You may be looking for a new mattress for your king sized bed or a spare mattress for guests, MyDeal has a range of affordable king single mattresses to choose from. Be it latex pillow top mattresses, pocket mattresses or memory foam mattresses, our king single mattresses come in different types for you to pick from. Our prices are so low that you will be forgiven to believe that they are king single mattress sale prices or discount rates. We deliver our products to locations all across Australia. This includes major cities like Melbourne, Sydney, Perth, Brisbane and Adelaide.