An Alaskan king mattress is the biggest king mattress size and one of the largest bed sizes available. The Alaskan king can ...

It's a whopping 9-foot by 9-foot mattress. Yes, you read that right. (For context, a California King bed is 6 feet by 7 feet.) You can achieve the ultimate sleep luxury with the Alaskan King Sleep ...

There are beds bigger than the California king, but think carefully about whether you need one before buying. “Super King and Alaskan king mattresses [coming in at a whopping 108 inches by 108 ...