What’s the Biggest Mattress on the Market?

If you are looking for a comfortable and spacious sleep space, choosing a large mattress could be your best option. If you are wondering what the biggest mattress is on the market, you are not alone. While there is no set size, mattress manufacturers often produce larger size mattresses to cater to consumers with larger bedrooms and families who opt to co-sleep. In this article, we’ll introduce you to the most significant mattress sizes, what to consider when purchasing a larger bed, and where to buy large-sized mattresses.

Most Common Mattress Sizes

It’s typical to see mattresses in different sizes, but not everyone knows the exact dimensions of each size. Some of the most common mattress sizes that you can find in stores include the following:

  • Twin: 38 inches by 75 inches
  • Twin XL: 38 inches by 80 inches
  • Full: 54 inches by 75 inches
  • Queen: 60 inches by 80 inches
  • King: 76 inches by 80 inches
  • California King: 72 inches by 84 inches

While some of these sizes, such as the twin or twin XL, work well for individuals, couples or larger families may require larger mattresses.

Considerations for Choosing a Large Mattress

Buying a large mattress isn’t a choice that you should make lightly. Before deciding on the ideal size for your bed, it’s important to consider the following factors:

Room size

It’s vital to measure your bedroom to determine the amount of space available in it. A tiny bedroom with a large mattress might feel cramped, and the bed may become a hindrance when moving around the room.

Sleeping Habit

Do you sleep alone or with your partner? Do you have little ones or furry friends that prefer to nestle in bed with you? It’s best to consider these aspects when selecting a larger bed.


A larger bed typically costs more than a smaller one. Therefore, you want to ensure you have a budget range before heading to the store.

Mattress Quality

The mattress quality impacts the quality of your sleep. You don’t want to end up with a mattress that is too soft or too firm and causes you to wake up with aches and pains.

Bedding Necessities

Larger mattresses may require deep-pocket sheets and a more generous size comforter or duvet. Ensure you choose bedding that fits the mattress size well.

Large Mattress Options

Now that you know what to consider when buying a big mattress, it’s time to explore some of the most popular options available:

Alaska King

If you are looking for a large mattress, the Alaska King is the largest size available, which measures 108 inches by 108 inches. This mattress size is ideal for spacious bedrooms and larger families who may choose to co-sleep. It’s larger than the traditional king and California king, offering significant space to roll around. And, of course, it allows kids and pets to join in the fun without cramping your bed style.

Texas King

The Texas king mattress is another option for creating a spacious sleeping space. It’s larger than a king mattress and measures 80 inches by 98 inches. This bed size is suitable for tall people or couples who need more sleeping room.

Wyoming King

If you want a big bed without going over the top in size, the Wyoming king is another great option. This mattress size measures 84 inches by 84 inches, providing extra room for anyone who wants more space than a traditional king bed.

Where to Buy Big-Sized Mattresses

When you determine the ideal size of a big mattress, you’ll probably wonder where you could buy one. Here are some brick-and-mortar stores and online retailers worth checking out:

Brick-and-Mortar Stores

  • The Mattress Firm
  • Ashley Furniture HomeStore
  • Rooms To Go
  • Mattress Warehouse
  • Sleep Outfitters

Going to a store to see and feel the bed could aid you in making an informed decision about which bed size will suit you the best personally.

Online Retailers

  • Amazon
  • Overstock
  • Wayfair
  • Walmart
  • US-Mattress

Online beds may provide special discounts or promotions, but it’s essential to determine if there will be any additional fees or shipping costs before making a purchase.


Ultimately, the biggest mattress choice depends on your preferences and needs. When selecting to purchase a large mattress, make sure to consider all the factors, such as room size, sleeping habits, budget, number of people using the bed, mattress quality, and bedding necessities. Once you cover all these elements, you can select the perfect mattress to ensure you have comfortable and peaceful sleep each night.


  • What Is the Most Significant Mattress Size?
    The Alaska King mattress is the most significant size, measuring 108 inches by 108 inches.
  • Why Buy an Extra-Large Mattress?
    Bigger beds offer more space, providing comfort and reducing motion transfer for couples or families who share the bed.
  • Are There Any Disadvantages of a Big Mattress?
    Yes, larger beds are more challenging to move or lift, and require larger sheets or linens, which are more costly.
  • How Much Does a Large Mattress Cost?
    Larger beds are more expensive than smaller ones. Prices vary, but you can expect to spend between $800 and $3,000 for a high-quality king-sized mattress, with bigger sizes costing more.





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