This New Mattress Size Makes California Kings Look Tiny

If you’re looking to upgrade your mattress to a larger size, you may be considering options such as a King or California King — but for for an even larger mattress, the Alaskan King bed is the biggest mattress you can buy, measuring a whopping 9 feet by 9 feet. A good Alaskan King bed should be comfortable and supportive just like any other top-tested mattress and since it's something you’ll be sleeping on every night want to make sure it's worth it.

Here at the Good Housekeeping Textiles Lab, we’ve tested hundreds of mattresses from hybrid mattresses to memory foam models and mattress-in-a-box styles. We’ve also evaluated mattresses for specific needs such as cooling mattresses and mattresses for back pain, so we know what makes a good mattress. We’ve also spent hundreds of hours testing mattress-related items like bedding such as pillows, sheets, comforters and more. These picks are based on our category expertise in mattresses and bedding, here are the best Alaskan King beds of 2022.

Our top picks