For most sleepers (and even couples), a queen size bed is sufficient, a king is luxurious, and a California king bed is that dream piece you imagine at the center of your fantasy bedroom where space is not a limitation.
However, what do you do when the dream bed for many is not large enough to match your lavish taste?
For others, the issue is an even more practical one.
Whether you are co-sleeping with your kids or baby, have multiple pets that call your bed home, have an NBA-worthy frame that often leaves your leg hanging on most mattresses, or you are a couple with an intensely adventurous nighttime life, you will find that you can run out of space—even on a king-sized bed—real quick.

If you’ve had any of these issues, it may be time to venture into the world of oversized mattresses. Oversized beds ditch the standard mattresses sizing regime for more expansive profiles that offer you a larger sleeping room at the cost of more of your bedroom’s floor space.
The most popular (and most massive) of these grand mattresses is the Alaskan king bed.
What is an Alaskan King Bed
With a mattress size named after the country’s largest state, you already know what to expect. Space, more space, and even more space.
This unique bed sports a massive 9 feet by 9 feet (108 inches by 108 inches) profile that is literally the only bed that can fit the world’s tallest man Sultan Kösen, from Turkey, who measures a whopping 8 feet and nine inches.
Since this bed also measures 9 feet across, this giant square offers more space than most couples and even full families need. The Alaskan King is the largest official dimension you can get anywhere in the country.
The Alaskan king bed is enjoying a rise to popularity in recent years thanks to featuring in the home of many celebrities. They now represent the highest end of luxury beds available in America.
However, with the Alaskan king bed, popularity does not equal ready availability. The Alaskan king is harder to find and more expensive than most regular bed sizes.
Tip
The massive size of the Alaskan king bed also presents the problem of floor space usage. We recommend that you do not consider this bed if your bedroom is smaller than 12 feet by 12 feet.
Alaskan King Size Comparison (Is this Bed too Big?)
King | California King | Alaskan King | |
Width (inches) | 76 | 72 | 108 |
Length (inches) | 80 | 84 | 108 |
An Alaskan king bed measures a massive 9 feet by 9 feet (108 inches by 108 inches.) That is plenty of bed.
The colossal square that is the Alaskan king bed gives you 24 extra inches in length than the California king, the most extended option among the standard bed sizes. You also get a mattress that is 32 inches wider than a standard king. That’s more width than you get by combining a queen-size with a twin.
A bed that big comes with the unique perks of fitting multiple sleepers with enough room to roam and sprawl as you see fit and packing enough height to fit even the tallest amongst us, without any risk of dangling legs.
Ever wanted a bed that could fit the whole family for a night without any sleep interruptions? This bed is all that. Plus, the novelty of having a bed this big may even be enough to warrant the purchase.

However, when is big too big? How practical is this gigantic furniture piece?
With the amount of floor space you have to give up to fit the Alaskan king bed, it is no surprise that you won’t find this option in many homes.
The Alaskan king’s 9 feet by 9 feet footprint means that if you place this bed in a 10 ft by 10 ft bedroom (not uncommon in cities), there won’t be space for much else. Hence, we recommend you have a bedroom that is 12 ft by 12 ft or more extensive. This requirement, unsurprisingly, will be a dealbreaker for many.
There is also the problem of finding an Alaskan king bed. Unlike with standard size beds, you’ll rarely find oversized beds like the Alaskan king in stores.
Where to Buy an Alaskan King Bed
You won’t find an Alaskan king bed in stores. You are equally unlikely to find accessories like box springs, foundations, bed frames, sheets, and mattress protectors in size at physical stores.
Hence, your best bet when seeking beds in this size and matching accessories is to shop online. Most online manufacturers that offer Alaskan kings are direct-to-customer specialty makers that specialize in creating custom oversized beds.
Some top online stores that offer Alaskan king beds with matching accessories include:
- Alaskan King Beds (manufacturer)
- Natural Form (manufacturer)
- Rest Right Mattress (manufacturer)
- Mattress Insider (manufacturer)
- UltraBed (manufacturer and distributor)
Pricing
Many people consider Alaskan beds a luxury item, and they aren’t wrong. However, Alaskan king beds are not only for the rich and famous.
While you will find many newsworthy Alaskan king beds (especially celebrity purchases) retailing for north of $50,000, you don’t have to be uber-rich to snag a decent option with this size profile.
You can expect an Alaskan king bed to retail in the $2000 – $5000 price range on the open market.
Alaskan King Bed – FAQs
Is the Alaskan king a real mattress size?
While they may sound like the stuff of fairytales, the good news is that Alaskan king-size beds exist and are readily available if you know where to look. These beds are hard to find in physical stores, but you can quickly get them from select online manufacturers.
Are there any bed sizes that are bigger than the Alaskan king bed?
Most manufacturers list the Alaskan king bed as their most extensive size offering. However, many of the bed makers that offer Alaskan kings are specialty retailers that specialize in building custom beds, and they would gladly make more massive, custom-made beds to match your order.
However, one major problem with these custom beds is finding matching accessories from third-party sellers, which will be virtually impossible.
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