King Size Mattresses

Get a good night's sleep to have a good functioning body. If you want to sleep comfortably, you need to buy the right kind of mattress. Buying a king size mattress is not simple. You can't just walk into a store and buy the first mattress you see. Buying a king size mattress for your bed is a long-term investment, so you need to follow a strategic approach and plan your purchasing process.

156 products from 9 furniture brands and 1 different retailers.

  • Lux Estate Hybrid Pollock Ultra Plush California King Mattress by Stearns And Foster
    Slumberland Furniture
    Lux Estate Hybrid Pollock Ultra Plush California King Mattress by Stearns And Foster
    $3,599.98
    -14%
    $4,199.98
  • Rockwell Luxury Firm European Pillow Top King Mattress by Stearns And Foster
    Slumberland Furniture
    Rockwell Luxury Firm European Pillow Top King Mattress by Stearns And Foster
    $2,799.98
    -6%
    $2,999.98
  • Posturepedic Chill Ultra Plush California King Mattress by Sealy Posturepedic Hybrid
    Slumberland Furniture
    Posturepedic Chill Ultra Plush California King Mattress by Sealy Posturepedic Hybrid
    $3,299.98
  • Posturepedic Chill Ultra Plush King Mattress by Sealy Posturepedic Hybrid
    Slumberland Furniture
    Posturepedic Chill Ultra Plush King Mattress by Sealy Posturepedic Hybrid
    $3,299.98
  • Sealy Lights Out III King Mattress by Sealy Youth
    Slumberland Furniture
    Sealy Lights Out III King Mattress by Sealy Youth
    $779.00
  • Rockwell Luxury Firm European Pillow Top California King Mattress by Stearns And Foster
    Slumberland Furniture
    Rockwell Luxury Firm European Pillow Top California King Mattress by Stearns And Foster
    $2,799.98
    -6%
    $2,999.98
  • TEMPUR-ProAdapt Medium Hybrid California King Mattress by Tempur-Pedic Tempur-Proadapt
    Slumberland Furniture
    TEMPUR-ProAdapt Medium Hybrid California King Mattress by Tempur-Pedic Tempur-Proadapt
    $3,799.98
    -5%
    $3,999.98
  • TEMPUR-ProAdapt Medium Hybrid King Mattress by Tempur-Pedic Tempur-Proadapt
    Slumberland Furniture
    TEMPUR-ProAdapt Medium Hybrid King Mattress by Tempur-Pedic Tempur-Proadapt
    $3,799.98
    -5%
    $3,999.98
  • Satisfied II Soft Eurotop King Mattress by Sealy Posturepedic Plus
    Slumberland Furniture
    Satisfied II Soft Eurotop King Mattress by Sealy Posturepedic Plus
    $1,599.00
    -28%
    $2,249.99
  • Satisfied II Soft Eurotop California King Mattress by Sealy Posturepedic Plus
    Slumberland Furniture
    Satisfied II Soft Eurotop California King Mattress by Sealy Posturepedic Plus
    $1,599.00
    -28%
    $2,249.99
  • Rockwell Ultra Firm King Mattress by Stearns And Foster
    Slumberland Furniture
    Rockwell Ultra Firm King Mattress by Stearns And Foster
    $2,599.98
    -7%
    $2,799.98
  • Lux Estate Cassatt Plush California King Mattress by Stearns And Foster
    Slumberland Furniture
    Lux Estate Cassatt Plush California King Mattress by Stearns And Foster
    $2,899.98
    -12%
    $3,299.98
  • Satisfied II Soft King Mattress by Sealy Posturepedic Plus
    Slumberland Furniture
    Satisfied II Soft King Mattress by Sealy Posturepedic Plus
    $1,359.00
    -36%
    $2,124.99
  • Satisfied II Soft California King Mattress by Sealy Posturepedic Plus
    Slumberland Furniture
    Satisfied II Soft California King Mattress by Sealy Posturepedic Plus
    $1,359.00
    -36%
    $2,124.99
  • Lux Estate Cassatt Pillowtop Plush King Mattress by Stearns And Foster
    Slumberland Furniture
    Lux Estate Cassatt Pillowtop Plush King Mattress by Stearns And Foster
    $3,199.98
    -11%
    $3,599.98
  • Estate Cassatt Pillowtop Plush California King Mattress by Stearns And Foster
    Slumberland Furniture
    Estate Cassatt Pillowtop Plush California King Mattress by Stearns And Foster
    $3,199.98
    -11%
    $3,599.98
  • Lux Estate Hybrid Pollock Ultra Plush King Mattress by Stearns And Foster
    Slumberland Furniture
    Lux Estate Hybrid Pollock Ultra Plush King Mattress by Stearns And Foster
    $3,599.98
    -14%
    $4,199.98
  • Exuberant II Soft California King Mattress by Sealy Posturepedic Plus
    Slumberland Furniture
    Exuberant II Soft California King Mattress by Sealy Posturepedic Plus
    $1,699.00
    -35%
    $2,624.99
  • Lux Estate Cassatt Plush King Mattress by Stearns And Foster
    Slumberland Furniture
    Lux Estate Cassatt Plush King Mattress by Stearns And Foster
    $2,899.98
    -12%
    $3,299.98
  • Cassatt Luxury Firm Tight Top King Mattress by Stearns And Foster
    Slumberland Furniture
    Cassatt Luxury Firm Tight Top King Mattress by Stearns And Foster
    $2,899.98
    -12%
    $3,299.98
  • Spruce King Mattress by Sealy
    Slumberland Furniture
    Spruce King Mattress by Sealy
    $169.00
    -39%
    $279.00
  • Sealy Exuberant II Soft King Mattress by Sealy Posturepedic Plus
    Slumberland Furniture
    Sealy Exuberant II Soft King Mattress by Sealy Posturepedic Plus
    $1,699.00
    -35%
    $2,624.99
  • Summer Elm Firm King Mattress by Sealy
    Slumberland Furniture
    Summer Elm Firm King Mattress by Sealy
    $459.00
    -4%
    $479.00
  • Spring Bloom Medium California King Mattress by Sealy Posturepedic
    Slumberland Furniture
    Spring Bloom Medium California King Mattress by Sealy Posturepedic
    $965.62
    -24%
    $1,287.49
  • 12" Hybrid King Mattress by Slumbercrest
    Slumberland Furniture
    12" Hybrid King Mattress by Slumbercrest
    $1,484.99
    -25%
    $1,979.99
  • Nightsbridge King 14" EuroTop Mattress by Corsicana Mattress
    Slumberland Furniture
    Nightsbridge King 14" EuroTop Mattress by Corsicana Mattress
    $1,218.74
    -25%
    $1,624.99
  • Nightsbridge California King 14" EuroTop Mattress by Corsicana Mattress
    Slumberland Furniture
    Nightsbridge California King 14" EuroTop Mattress by Corsicana Mattress
    $1,218.74
    -25%
    $1,624.99
  • Cassatt Luxury Firm Tight Top California King Mattress by Stearns And Foster
    Slumberland Furniture
    Cassatt Luxury Firm Tight Top California King Mattress by Stearns And Foster
    $2,899.98
    -12%
    $3,299.98
  • TEMPUR-LUXEbreeze Firm California King Mattress by Tempur-Pedic Tempur-Luxebreeze
    Slumberland Furniture
    TEMPUR-LUXEbreeze Firm California King Mattress by Tempur-Pedic Tempur-Luxebreeze
    $5,799.98
    -4%
    $6,099.98
  • Summer Rose Firm Split California King Mattress Set by Sealy Posturepedic
    Slumberland Furniture
    Summer Rose Firm Split California King Mattress Set by Sealy Posturepedic
    $1,759.00
    -20%
    $2,199.99
  • Summer Rose Firm California King Mattress by Sealy Posturepedic
    Slumberland Furniture
    Summer Rose Firm California King Mattress by Sealy Posturepedic
    $1,199.00
    -31%
    $1,749.99
  • Summer Rose Firm King Mattress by Sealy Posturepedic
    Slumberland Furniture
    Summer Rose Firm King Mattress by Sealy Posturepedic
    $1,199.00
    -31%
    $1,749.99
  • Medina Firm Foam Split California King Mattress Set by Sealy Posturepedic
    Slumberland Furniture
    Medina Firm Foam Split California King Mattress Set by Sealy Posturepedic
    $1,759.00
    -20%
    $2,199.99
  • Medina Firm Foam California King Mattress by Sealy Posturepedic
    Slumberland Furniture
    Medina Firm Foam California King Mattress by Sealy Posturepedic
    $1,199.00
    -31%
    $1,749.99
  • Medina Firm Foam King Mattress by Sealy Posturepedic
    Slumberland Furniture
    Medina Firm Foam King Mattress by Sealy Posturepedic
    $1,199.00
    -31%
    $1,749.99
  • Medina Firm Foam Split King Mattress Set by Sealy Posturepedic
    Slumberland Furniture
    Medina Firm Foam Split King Mattress Set by Sealy Posturepedic
    $1,659.00
    -20%
    $2,074.99
  • Lacey Soft Hybrid King Mattress by Sealy Posturepedic
    Slumberland Furniture
    Lacey Soft Hybrid King Mattress by Sealy Posturepedic
    $1,399.00
    -30%
    $1,999.99
  • Spring Bloom Medium Split King Mattress Set by Sealy Posturepedic
    Slumberland Furniture
    Spring Bloom Medium Split King Mattress Set by Sealy Posturepedic
    $1,124.99
    -25%
    $1,499.99
  • Lacey Soft Hybrid Split California King Mattress Set by Sealy Posturepedic
    Slumberland Furniture
    Lacey Soft Hybrid Split California King Mattress Set by Sealy Posturepedic
    $2,159.00
    -20%
    $2,699.99
  • Lacey Soft Hybrid Split King Mattress Set by Sealy Posturepedic
    Slumberland Furniture
    Lacey Soft Hybrid Split King Mattress Set by Sealy Posturepedic
    $2,159.00
    -20%
    $2,699.99
  • Lacey Firm Hybrid King Mattress by Sealy Posturepedic
    Slumberland Furniture
    Lacey Firm Hybrid King Mattress by Sealy Posturepedic
    $1,399.00
    -30%
    $1,999.99
  • Lacey Firm Hybrid Split California King Mattress Set by Sealy Posturepedic
    Slumberland Furniture
    Lacey Firm Hybrid Split California King Mattress Set by Sealy Posturepedic
    $2,159.00
    -20%
    $2,699.99
  • Lacey Firm Hybrid Split King Mattress Set by Sealy Posturepedic
    Slumberland Furniture
    Lacey Firm Hybrid Split King Mattress Set by Sealy Posturepedic
    $2,159.00
    -20%
    $2,699.99
  • Peterson Medium Hybrid California King Mattress by Sealy Posturepedic
    Slumberland Furniture
    Peterson Medium Hybrid California King Mattress by Sealy Posturepedic
    $1,199.00
    -36%
    $1,874.99
  • Paterson Medium Hybrid Split California King Set by Sealy Posturepedic
    Slumberland Furniture
    Paterson Medium Hybrid Split California King Set by Sealy Posturepedic
    $1,959.00
    -20%
    $2,449.99
  • Paterson Medium Hybrid Split King Set by Sealy Posturepedic
    Slumberland Furniture
    Paterson Medium Hybrid Split King Set by Sealy Posturepedic
    $1,959.00
    -20%
    $2,449.99
  • Peterson Medium Hybrid King Mattress by Sealy Posturepedic
    Slumberland Furniture
    Peterson Medium Hybrid King Mattress by Sealy Posturepedic
    $1,199.00
    -36%
    $1,874.99
  • Medina Firm Hybrid California King Mattress by Sealy Posturepedic
    Slumberland Furniture
    Medina Firm Hybrid California King Mattress by Sealy Posturepedic
    $1,099.00
    -37%
    $1,749.99
  • Medina Firm Hybrid Split California King Mattress Set by Sealy Posturepedic
    Slumberland Furniture
    Medina Firm Hybrid Split California King Mattress Set by Sealy Posturepedic
    $1,759.00
    -20%
    $2,199.99
  • Medina Firm Hybrid King Mattress by Sealy Posturepedic
    Slumberland Furniture
    Medina Firm Hybrid King Mattress by Sealy Posturepedic
    $1,099.00
    -37%
    $1,749.99
  • Medina Firm Hybrid Split King Mattress Set by Sealy Posturepedic
    Slumberland Furniture
    Medina Firm Hybrid Split King Mattress Set by Sealy Posturepedic
    $1,659.00
    -20%
    $2,074.99
  • Lacey Soft Foam Split California King Mattress Set by Sealy Posturepedic
    Slumberland Furniture
    Lacey Soft Foam Split California King Mattress Set by Sealy Posturepedic
    $2,159.00
    -20%
    $2,699.99
  • Lacey Soft Foam King Mattress by Sealy Posturepedic
    Slumberland Furniture
    Lacey Soft Foam King Mattress by Sealy Posturepedic
    $1,499.00
    -25%
    $1,999.99
  • Lacey Soft Foam California King Mattress by Sealy Posturepedic
    Slumberland Furniture
    Lacey Soft Foam California King Mattress by Sealy Posturepedic
    $1,499.00
    -25%
    $1,999.99
  • Luxe Adapt Soft King Mattress by Tempur-Pedic Tempur-Luxeadapt
    Slumberland Furniture
    Luxe Adapt Soft King Mattress by Tempur-Pedic Tempur-Luxeadapt
    $4,599.98
    -4%
    $4,799.98
  • Luxe Adapt Soft California King Mattress by Tempur-Pedic Tempur-Luxeadapt
    Slumberland Furniture
    Luxe Adapt Soft California King Mattress by Tempur-Pedic Tempur-Luxeadapt
    $4,599.98
    -4%
    $4,799.98
Showing 56 of 156 products

What to Consider When Buying a King Size Mattress

Before you start looking for a new affordable king size mattress, you need to ask yourself why you are replacing your king size mattress. Is it because the current mattress is not comfortable enough? When you start researching the best king size mattress, you need to consider the issues you had with your old mattress. 

Once you pointed out the issues of your mattress, consider other factors to get the best king size mattress type. Several factors will affect your purchase decision. The first thing you need to consider when purchasing the affordable king size mattress is the weight of the occupant's body. Next, you need to make sure that the king size mattress will fit the size pf your bed frame. King size mattresses suits people who want extra space while sleeping. Two adults can use king size mattresses.

The next step is to choose king size bed mattres type. Today, there is a wide range of king size mattresses available in the market, including:

Spring King Size Mattresses: These mattresses are made with springs to give a bouncy feel. You can want to find cheaper king mattresses, the spring mattress is the answer. However, if the padding layer on top of the spring is very thin, you might get poked by the springs. 

Foam King Size Mattresses: The foam mattresses are very soft and easily responsive to the shape of your body. If you are suffering from back pain, this mattress is the perfect option for you. 

Memory Foam King Size Mattresses: Memory foam is the most popular type of mattress because it offers maximum comfort to your body. The memory foam king size mattresses tend to respond to your body's shape and curves to provide comfort and support while sleeping.

Additionally, you also need to check the comfort level offered by the king size bed mattresses. As the king size bed can accommodate more than two people, you need to consider all the occupants' desired comfort levels. Note that not all of the king size mattresses have the same level of comfort. Generally, if you buy a cheap king size mattress, it won't be as comfortable as a premium-quality mattress. 

The sleeping style of the occupants can also impact the type of affordable king size mattress you buy. For example, if the potential occupant sleeps on the side, you should buy a bed mattress that provides enough support to their backbone and keep it straight. But, if the occupant sleeps on the back, the mattress should sink their back, hands, and arms to maintain a straight posture. 

Points to Remember: 

  1. Consider buying an orthopedic mattress if you are suffering from extreme back pains. 

  2. Always do a test run before buying your cheap king size mattress. The majority of furniture stores have their mattresses displayed for people to actually sit and use.

  3. Buying a king size mattress is a long-term investment, so avoid buying cheap king size mattresses that will only last a year or two.

  4. The type and material of your king size bed mattress depend on all the occupants' personal tastes and preferences.

Questions and answers about King Size Mattresses

What is the cheapest product in King Size Mattresses?

The cheapest product is Spruce King Mattress

Do all King Size Mattresses ship to me?

All King Size Mattresses on Interiorbeat ship to all states in the US.

Which brands are great at creating King Size Mattresses?

At Interiorbeat we have 9 brands in King Size Mattresses. The brand with most products is Sealy Posturpedic Plus, but also Stearns And Foster and Tempur-Pedic are popular brands.