Sleep like royalty on a king-size mattress from Ace! Every king mattress we carry is of high quality and can be expected to help you to sleep well for years to come. We make getting the king mattresses you need easy thanks to our convenient and affordable rent-to-own options and our free delivery. We know a good night’s sleep is hard to come by. That’s why all of our king mattresses are built for comfort. When you bring a king mattress home from Ace, you can say goodbye to tossing and turning and hello to sweet dreams!