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King Mattresses

Results (35)

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  • Price: High to Low
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  • Top Rated
Dream Serene Medium King Mattress
Doorbuster
Best Seller

$2,199.99

$1,759.99

✝︎( $1,759.99)

Dream Serene Medium Mattress

: Mattress Size, Foundation
Dream Serene Firm King Mattress
Doorbuster
Best Seller

$2,199.99

$1,759.99

✝︎( $1,759.99)

Dream Serene Firm Mattress

: Mattress Size, Foundation
Dream Relax Medium King Mattress
Doorbuster
Best Seller

$1,499.99

$1,199.99

✝︎( $1,199.99)

Dream Relax Medium Mattress

: Mattress Size, Foundation
BRS900 Rest Soft King Mattress
Doorbuster
Best Seller

$1,299.99

$1,039.99

✝︎( $1,039.99)

BRS900 Rest Soft Mattress

: Mattress Size, Foundation
BRS900 Rest Medium King Mattress
Doorbuster
Best Seller

$1,199.99

$959.99

✝︎( $959.99)

BRS900 Rest Medium Mattress

: Mattress Size, Foundation
BRS900 Rest Firm King Mattress
Doorbuster
Best Seller

$1,199.99

$959.99

✝︎( $959.99)

BRS900 Rest Firm Mattress

: Mattress Size, Foundation
Dream Revive Medium King Mattress
Doorbuster
Best Seller

$1,999.99

$1,599.99

✝︎( $1,599.99)

Dream Revive Medium Mattress

: Mattress Size, Foundation
 (8)
Dream Revive Firm King Mattress
Doorbuster
Best Seller

$1,999.99

$1,599.99

✝︎( $1,599.99)

Dream Revive Firm Mattress

: Mattress Size, Foundation
Dream Peace Firm King Mattress
Doorbuster
New Arrival

$1,099.99

$879.99

✝︎( $879.99)

Dream Peace Firm Mattress

: Mattress Size, Foundation
Dream Peace Medium King Mattress
Doorbuster
New Arrival

$1,099.99

$879.99

✝︎( $879.99)

Dream Peace Medium Mattress

: Mattress Size, Foundation
Dream Peace Soft King Mattress
Doorbuster
New Arrival

$1,199.99

$959.99

✝︎( $959.99)

Dream Peace Soft Mattress

: Mattress Size, Foundation
Dream-In-A-Box Elite Soft King Mattress
Doorbuster
New Arrival

$899.99

$719.99

✝︎( $719.99)

Dream-In-A-Box Elite Soft Mattress

Dream-In-A-Box
: Mattress Size, Foundation
Dream-In-A-Box Elite Firm King Mattress
Doorbuster
New Arrival

$899.99

$719.99

✝︎( $719.99)

Dream-In-A-Box Elite Firm Mattress

Dream-In-A-Box
: Mattress Size, Foundation
Dream-In-A-Box Select Soft King Mattress
Doorbuster
New Arrival

$699.99

$559.99

✝︎( $559.99)

Dream-In-A-Box Select Soft Mattress

Dream-In-A-Box
: Mattress Size, Foundation
Dream-In-A-Box Select Firm King Mattress
Doorbuster
New Arrival

$699.99

$559.99

✝︎( $559.99)

Dream-In-A-Box Select Firm Mattress

Dream-In-A-Box
: Mattress Size, Foundation
Dream Ease Firm King Mattress
Doorbuster

$699.99

$559.99

✝︎( $559.99)

Dream Ease Firm Mattress

: Mattress Size, Foundation
Dream Ease Soft King Mattress
Doorbuster

$699.99

$559.99

✝︎( $559.99)

Dream Ease Soft Mattress

: Mattress Size, Foundation
Dream Serene Soft King Mattress
Doorbuster

$2,199.99

$1,759.99

✝︎( $1,759.99)

Dream Serene Soft Mattress

: Mattress Size, Foundation
BR800 Soft King Mattress
Doorbuster

$799.99

$639.99

✝︎( $639.99)

BR800 Soft Mattress

: Mattress Size, Foundation
 (41)
BR800 Firm King Mattress
Doorbuster

$799.99

$639.99

✝︎( $639.99)

BR800 Firm Mattress

: Mattress Size, Foundation
 (23)
BRB X-Class Firm King Mattress
Best Seller

$3,399.00

✝︎( $3,399.00)

BRB X-Class Firm Mattress

: Mattress Size, Foundation
BRB X-Class Plush King Mattress
Best Seller

$3,099.00

✝︎( $3,099.00)

BRB X-Class Plush Mattress

: Mattress Size, Foundation
BRB X-Class Medium King Mattress
Best Seller

$2,899.00

✝︎( $2,899.00)

BRB X-Class Medium Mattress

: Mattress Size, Foundation
Dream Relax Firm King Mattress
Doorbuster

$1,499.99

$1,199.99

✝︎( $1,199.99)

Dream Relax Firm Mattress

: Mattress Size, Foundation
Dream Relax Soft King Mattress
Doorbuster

$1,499.99

$1,199.99

✝︎( $1,199.99)

Dream Relax Soft Mattress

: Mattress Size, Foundation
Dream-In-A-Box Ultra Soft King Mattress
Doorbuster

$899.99

$719.99

✝︎( $719.99)

Dream-In-A-Box Ultra Soft Mattress

Dream-In-A-Box
: Mattress Size, Foundation
Dream-In-A-Box Ultra Firm King Mattress
Doorbuster

$799.99

$639.99

✝︎( $639.99)

Dream-In-A-Box Ultra Firm Mattress

Dream-In-A-Box
: Mattress Size, Foundation
Dream-In-A-Box Plus Soft King Mattress
Doorbuster

$699.99

$559.99

✝︎( $559.99)

Dream-In-A-Box Plus Soft Mattress

Dream-In-A-Box
: Mattress Size, Foundation
Dream-In-A-Box Plus Firm King Mattress
Doorbuster

$599.99

$479.99

✝︎( $479.99)

Dream-In-A-Box Plus Firm Mattress

Dream-In-A-Box
: Mattress Size, Foundation
BRX1000-IP Extra Firm King Mattress
Best Seller

$2,299.00

✝︎( $2,299.00)

BRX1000-IP Extra Firm Mattress

: Mattress Size, Foundation
BRX1000-IP Medium King Mattress
Best Seller

$1,899.00

✝︎( $1,899.00)

BRX1000-IP Medium Mattress

: Mattress Size, Foundation
 (129)
BRB C-Class Plush Pillow Top King Mattress
Best Seller

$3,999.00

✝︎( $3,999.00)

BRB C-Class Plush Pillow Top Mattress

: Mattress Size, Foundation
 (155)
BRB C-Class Medium Firm King Mattress
Best Seller

$3,799.00

✝︎( $3,799.00)

BRB C-Class Medium Firm Mattress

: Mattress Size, Foundation
 (155)
Dream Revive Soft King Mattress
Doorbuster

$1,999.99

$1,599.99

✝︎( $1,599.99)

Dream Revive Soft Mattress

: Mattress Size, Foundation
 (5)
BRX1000-IP Soft King Mattress

$2,299.00

✝︎( $2,299.00)

BRX1000-IP Soft Mattress

: Mattress Size, Foundation

King Size Mattresses

When you spend one third of your life sleeping, you should probably have the most comfortable mattress ever. One that’s perfect for you. That caters to the way you sleep, the way you move, the way your body temperature fluctuates. All of these things need to be taken into consideration when looking for mattresses that are just right. The ones you can get the best night’s sleep on—over and over again.  

The good news? You don’t have to look any further than right here to find the king size mattresses that’ll work for you. Perfect king mattresses to fit right into any of your bedrooms, especially your master suite. Because there’s nothing better than having tons of room for both you and your partner (or just you!) to truly get the rest and relaxation you deserve. 

We’ve got a wide selection of mattress brands carrying king mattresses, including our Dream Mattress Studio—an exclusive brand you can only find right here. And we’ve done our research to help in all the areas you need it most. Say goodbye to morning aches, tossing and turning, and night sweats when you choose a Dream Mattress. You’ll also discover three levels of comfort, five levels of support and five levels of coolness, too. We make it easy to pick and choose the things that are most important to you. 

Have questions? We’ve got all the answers to our frequently asked questions and more right here. Take a look! 

What is the size of a king mattress? 76” x 80” 

Three comfort levels? What are they? Of course! 1. Soft, which is cushiony comfort, without that sinking feeling, that compresses easily to the touch; 2. Medium, which is the best of soft and firm comfort and moderate sink-in; and 3. Firm, which is substantial comfort and minimal sink-in that recovers quickly from contact.   

Which mattress should I pick if I’m a side sleeper? Soft mattresses are generally the best choice for a side sleeper. Something that conforms to your body, while still giving you the support you need. Try a soft memory foam or pillow top mattress—we’ve got several king size options to explore. 

Which mattress should I pick if I’m a stomach sleeper? Firm mattresses are usually the way to go if you’re a stomach sleeper. Choose something with firm foam or dense innerspring for maximum support. Shop our king styles and get comfortable! 

Which mattress should I pick if I’m a back sleeper? A mixture of the two types is typically what a back sleeper needs. Some softness, some firmness, total comfort. Make sure your choice allows your back and spine to feel supported. Browse our king mattresses for back sleepers now. 

What are your five support levels? 1. Least Support level: minimum coils and foam layers; 2. Less Support level: additional coils and foam layers; 3. Some Support level: extra coils and foam layers; 4. More Support level: extensive coils and foam layers; 5. Most Support level: maximum coils and foam layers.  

And your five coolness levels? 1. Coolness level: draws heat away upon initial contact; 2. Extended Coolness level: draws heat away longer; 3. Extended Coolness+ level: draws heat away even longer; 4. Lasting Coolness level: continuously draws heat away; 5. Lasting Coolness+ level: continuously draws heat away even longer.  

Can I shop for a king mattress in your store? Of course! We encourage you to head to your nearest American Signature Furniture store to give our mattresses an up close and personal look. 

Do you have mattress accessories? Yep! Adjustable beds, bed frames, bed linens & throws, pillows and more. We also have bedroom collections, so you can get the king mattress then the bed, nightstand, dresser, mirror and more to go with it. 

Can I get other mattress sizes here, too? Check out our twin mattressesfull mattresses and queen mattresses, along with your king mattresses.