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Flash Sale: Extra 15% off⁹ with code AFTERHOURS

California King Size Mattresses

Four inches longer than a king, Cal Kings offer extra length, which can be a big plus for taller people. Plus, they work well in larger bedrooms.

261

results

Cal King

Best Seller

Midnight Dream 14.25" Ultra Plush Pillow Top Mattress

Beauty Sleep® Midnight Dream 14.25" Ultra Plush Pillow Top Mattress

Cal King

Ultra Plush Comfort, best for

Side Sleepers
Toss and Turn
Bed Partner

6 Sizes

Delivery in6+ weeks

Best Seller

By Sealy® Slumber Firm Mattress

Sleepy's By Sealy® Slumber Firm Mattress

Cal King

Firm Comfort, best for

Back and Stomach Sleepers
Bed Partner
Toss and Turn

6 Sizes

Delivery in6+ weeks

Best Seller

By Sealy® Medium Euro Top Mattress

Sleepy's By Sealy® Medium Euro Top Mattress

Cal King

Medium Comfort, best for

All Sleep Positions
Pain
Temperature

7 Sizes

FREE ADJUSTABLE BASE³ up to $499 value with code ELEVATE (must add base to cart)

Delivery in6+ weeks

Best Seller

PressureSmart™ 2.0 Firm 11" Mattress

Beautyrest PressureSmart™ 2.0 Firm 11" Mattress

Cal King

Firm Comfort, best for

Back and Stomach Sleepers
Pain
Temperature

8 Sizes

FREE ADJUSTABLE BASE³ up to $499 value with code ELEVATE (must add base to cart)

Delivery in6+ weeks

Best Seller

BR800 13.5" Plush Pillow Top Mattress

Beautyrest BR800 13.5" Plush Pillow Top Mattress

Cal King

Plush Comfort, best for

Side Sleepers
Toss and Turn
Pain

7 Sizes

FREE ADJUSTABLE BASE³ up to $499 value with code ELEVATE (must add base to cart)

Delivery in6+ weeks

Having trouble deciding?

Best Seller

Silver® BRS900-C 13.75" Extra Firm Mattress

Beautyrest Silver® BRS900-C 13.75" Extra Firm Mattress

Cal King

Extra Firm Comfort, best for

Back and Stomach Sleepers
Bed Partner
Pain

6 Sizes

FREE ADJUSTABLE BASE³ up to $499 value with code ELEVATE (must add base to cart)

Delivery in6+ weeks

Best Seller

Midnight Dream 14.25" Medium Pillow Top Mattress

Beauty Sleep® Midnight Dream 14.25" Medium Pillow Top Mattress

Cal King

Medium Comfort, best for

All Sleep Positions
Toss and Turn
Bed Partner

6 Sizes

Delivery in6+ weeks

Only at Mattress Firm

By Sealy Hybrid HD Firm Mattress

Sleepy's By Sealy Hybrid HD Firm Mattress

Cal King

Firm Comfort, best for

Back and Stomach Sleepers
Pain
Toss and Turn

6 Sizes

FREE ADJUSTABLE BASE³ up to $499 value with code ELEVATE (must add base to cart)

Delivery in6+ weeks

Only at Mattress Firm

Perfect Sleeper® Sleep Excellence™ Plush Mattress

Serta Perfect Sleeper® Sleep Excellence™ Plush Mattress

Cal King

Plush Comfort, best for

Side Sleepers
Pain
Toss and Turn

6 Sizes

FREE ADJUSTABLE BASE³ up to $499 value with code ELEVATE (must add base to cart)

Delivery in6+ weeks

BR800 12" Plush Euro Top Mattress

Beautyrest BR800 12" Plush Euro Top Mattress

Cal King

Plush Comfort, best for

Side Sleepers
Toss and Turn
Pain

7 Sizes

FREE ADJUSTABLE BASE³ up to $499 value with code ELEVATE (must add base to cart)

Delivery in6+ weeks

Best Seller

TEMPUR-ProAdapt® 12" Medium Hybrid Mattress

Tempur-Pedic TEMPUR-ProAdapt® 12" Medium Hybrid Mattress

Cal King

Medium Comfort, best for

All Sleep Positions
Pain
Bed Partner

7 Sizes

Receive $300 Instant Gift⁴ with purchase.

Delivery in6+ weeks

Best Seller

Black® Series Three 16.75" Plush Pillow Top Mattress

Beautyrest Black® Series Three 16.75" Plush Pillow Top Mattress

Cal King

Plush Comfort, best for

Side Sleepers
Pain
Bed Partner

6 Sizes

FREE ADJUSTABLE BASE³ up to $499 value with code ELEVATE (must add base to cart)

Delivery in6+ weeks

Best Seller

By Sealy® Spring Medium Mattress

Sleepy's By Sealy® Spring Medium Mattress

Cal King

Medium Comfort, best for

All Sleep Positions
Pain
Bed Partner

6 Sizes

FREE ADJUSTABLE BASE³ up to $499 value with code ELEVATE (must add base to cart)

Delivery in6+ weeks

Best Seller

TEMPUR-LuxeBreeze® Medium Hybrid 13" Mattress

Tempur-Pedic TEMPUR-LuxeBreeze® Medium Hybrid 13" Mattress

Cal King

Medium Comfort, best for

All Sleep Positions
Temperature
Pain

5 Sizes

Receive $300 Instant Gift⁴ with purchase.

Delivery in6+ weeks

14 of 261 results

California King Size Mattresses

Slightly longer and not as wide as a typical king mattress, the California King mattress size measures 72" wide and 84" long. A California King size mattress is perfect for taller couples who need more room at the foot of the bed than a queen or king mattress provides. Check out our broad selection of California King bed and mattress options available, including some at sale price and best selling luxury pillow top california king mattresses . Developed in the 1960s, these mattresses originally catered to professional athletes and celebrities.

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