Size of King

Size of King options offer plenty of room to stretch out and create a comfortable sleep space. Explore king mattresses, beds and bedding to find the right fit for your bedroom, sleep style and everyday routine.

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Sleepy's Basic Adjustable Base

Starting at

$299⁹⁹

FREE with select mattress purchase³.

Sleepy's By Sealy Memory Foam Medium Mattress

3474

Starting at

$589⁹⁹

$889⁹⁹

$300 OFF

Medium Comfort, best for

Back, Side, Stomach Sleepers
Pain
Bed Partner
Toss and Turn
Temperature

Beautyrest PressureSmart 2.0 Firm 11" Mattress

Starting at

$1099⁹⁹

$2199⁹⁹

$1100 OFF

Firm Comfort, best for

Back, Stomach Sleepers
Temperature
Bed Partner
Pain
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sleepy's Basic Innerspring Firm Mattress

8676

Starting at

$249⁹⁹

Firm Comfort, best for

Back, Stomach Sleepers
Temperature
Pain
Bed Partner
Allergies
Toss and Turn

Sleepy's Signature Gel Memory Foam Pillow

2216

Starting at

$129⁹⁹

Firm Comfort, best for

Back, Side, Stomach Sleepers
Temperature

Save $100 when you bundle¹⁰.

Beautyrest PressureSmart 2.0 Plush 11.75" Mattress

6251

Starting at

$1149⁹⁹

$2299⁹⁹

$1150 OFF

Plush Comfort, best for

Side Sleepers
Temperature
Bed Partner
Pain
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sleepy's Deluxe Charcoal Cool Pillow

2380

Starting at

$199⁹⁹

Soft Comfort, best for

Back, Side, Stomach Sleepers
Temperature
Allergies

Save $150 when you bundle¹⁰.

Sleepy's Deluxe Cool Stretch Sheet Set

Starting at

$189⁹⁹

Temperature
Allergies

Save $150 when you bundle¹⁰.

Tempur-Pedic TEMPUR-Protect Breeze Mattress Protector

802

Starting at

$329⁰⁰

Serta Perfect Sleeper Charlotte 2.0 Medium Euro Top Mattress

2615

Starting at

$839⁹⁹

$1499⁹⁹

$660 OFF

Medium Comfort, best for

Back, Side, Stomach Sleepers
Pain
Toss and Turn
Temperature
Bed Partner

FREE ADJUSTABLE BASE ³ with code ELEVATE

Purple Harmony Pillow

1250

Starting at

$269⁰⁰

Medium Comfort, best for

Back, Side, Stomach Sleepers
Temperature
Allergies

Sleepy's Rest Firm 2.0 Innerspring Mattress

7001

Starting at

$449⁹⁹

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

Beautyrest PressureSmart 2.0 Plush Pillow Top 13.75" Mattress

2695

Starting at

$1199⁹⁹

$2399⁹⁹

$1200 OFF

Plush Comfort, best for

Side Sleepers
Temperature
Bed Partner
Pain
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Serta Perfect Sleeper Sleep Excellence Medium PillowTop Mattress

1433

Starting at

$1999⁹⁹

Medium Comfort, best for

Back, Side, Stomach Sleepers
Pain
Toss and Turn
Temperature
Bed Partner

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest BlackICE Memory Foam Pillow

1246

Starting at

$249⁰⁰

Medium Comfort, best for

Side Sleepers
Temperature

Tempur-Pedic TEMPUR-Adapt 11" Medium Previous Generation Mattress

3631

Starting at

$2029⁷⁷

$2899⁰⁰

$869 OFF

Medium Comfort, best for

Back, Side, Stomach Sleepers
Pain
Temperature
Allergies
Bed Partner
Toss and Turn

Beautyrest BR800 13.5" Plush Pillow Top Mattress

2784

Starting at

$819⁹⁹

$1499⁹⁹

$680 OFF

Plush Comfort, best for

Side Sleepers
Toss and Turn
Pain
Bed Partner
Temperature

FREE ADJUSTABLE BASE ³ with code ELEVATE

Tempur-Pedic TEMPUR-Ergo Smart Adjustable Base

986

Starting at

$2699⁰⁰

$2899⁰⁰

$200 OFF

Calm app 3-month free trial with mattress purchase & registration

Beautyrest Silver BRS900 11.75" Extra Firm Mattress

3296

Starting at

$709⁹⁹

$1699⁹⁹

$990 OFF

Extra Firm Comfort, best for

Back, Stomach Sleepers
Temperature
Pain
Allergies
Bed Partner
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest BR800 11.25" Firm Mattress

2233

Starting at

$619⁹⁹

$1299⁹⁹

$680 OFF

Firm Comfort, best for

Back, Stomach Sleepers
Toss and Turn
Pain
Bed Partner
Temperature

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sealy Essentials Sudley 8.5" Firm Mattress

989

Starting at

$499⁹⁹

$999⁹⁹

$500 OFF

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Temperature
Bed Partner
Toss and Turn

Tulo Bamboo 10" Medium Green Tea Memory Foam Mattress

5555

Starting at

$379⁹⁹

$889⁹⁹

$510 OFF

Medium Comfort, best for

Back, Side, Stomach Sleepers
Pain
Bed Partner
Temperature
Allergies
Toss and Turn

Tulo Bamboo 12" Medium Plush Green Tea Memory Foam Mattress

5555

Starting at

$429⁹⁹

$1019⁹⁹

$590 OFF

Medium Comfort, best for

Back, Side, Stomach Sleepers
Bed Partner
Pain
Temperature
Toss and Turn

Sealy Cool Touch Pillow

427

Starting at

$39⁹⁹

Medium Comfort, best for

Back, Side, Stomach Sleepers
Temperature
Allergies

Beautyrest BR800 13.5" Medium Pillow Top Mattress

1863

Starting at

$819⁹⁹

$1499⁹⁹

$680 OFF

Medium Comfort, best for

Back, Side, Stomach Sleepers
Toss and Turn
Pain
Bed Partner
Temperature

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest Silver BRS900-C 13.75" Extra Firm Mattress

1810

Starting at

$859⁹⁹

$1999⁹⁹

$1140 OFF

Extra Firm Comfort, best for

Back, Stomach Sleepers
Temperature
Pain
Bed Partner
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

A standard king mattress measures 76 inches wide by 80 inches long, making it one of the largest and most spacious mattress sizes available. Its generous surface area gives couples plenty of room to stretch out without disturbing each other, while also providing comfortable space for children or pets who occasionally share the bed. A king size mattress is an excellent choice for larger bedrooms, sleepers who prefer extra personal space and anyone upgrading from a queen mattress. To accommodate a king bed, plan for more than the mattress dimensions alone so there is enough room for a king bed frame, nightstands and comfortable movement around the room. A California King mattress offers a different take on king size sleeping space, measuring 72 inches wide by 84 inches long. Compared with a standard king, a California King is four inches narrower and four inches longer, making it a popular option for taller sleepers or bedrooms with a narrow, elongated layout. Both king mattress sizes provide a comfortable sleep surface for couples, but the best choice depends on your height, room dimensions and preferred amount of personal space. Shop king mattresses in a range of comfort levels, materials and designs to find the right fit for your bedroom and get better zzz's for less.

What types of king mattresses are available? + -

King mattresses are available in memory foam, innerspring, hybrid and latex designs, with different comfort feels and construction features to suit a range of sleep preferences.

What is a hybrid king mattress? + -

A hybrid king mattress combines individually wrapped coils with foam or latex layers to create a balanced feel with cushioning and responsive support.

How do I choose the right comfort feel for a king mattress? + -

Consider whether you prefer a softer, medium or firmer feel. Your usual sleep position and preference for contouring or responsiveness can also help guide your choice.

What foundation works with a king mattress? + -

Many king mattresses work with a compatible foundation, platform bed or adjustable base. Check the mattress manufacturer's recommendations to select the right foundation.

What bedding works with a king mattress? + -

King mattresses pair with coordinating sheets, mattress protectors, comforters and blankets. Choose bedding designed for a king mattress to help achieve a comfortable fit.