California King Size Mattresses

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Leesa Legend 12" Hybrid Mattress Medium Firm

Innerspring and Foam
CertiPUR-US ®-Certified Premium Foam
Two Layers of Pocketed Springs
Hypoallergenic Cover

Rated 4.3 out of 5 stars based on 103 reviews.

(103)

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$949.99

Sleep Science 14" Copper Infused Firm Memory Foam Mattress

Copper Infused Visco Memory Foam
Patented Wedge Edge Support System
Air Channel Base

Rated 4.3 out of 5 stars based on 957 reviews.

(957)

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$1,599.99

Drexel Heritage 15" Royale Hybrid and Gel Memory Foam Mattress

1.5" MicroTec Gel Memory Foam and 2” Cooling GelLux™ Foam
1" High Resilience Reflexa Foam
8" Tri-Zone Natural Spring Support System Ideal For Side Sleepers
IceLux FabricTM Cooling Cover

Rated 3.2 out of 5 stars based on 40 reviews.

(40)

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$849.99

Beautyrest 14.5" Silver Hybrid DualCool Plush Mattress and Foundation Set

Dualcool Plus Wicking Design To Keep You Cool And Comfortable
Designed With Certipur-us Certified Foam

Rated 4 out of 5 stars based on 404 reviews.

(404)

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$949.99

Sleep Science 12" iFlip Sonoma Dual Comfort Memory Foam Mattress

A Two-sided Mattress That Can Be Flipped Based On Your Daily Comfort Needs!

Rated 4.3 out of 5 stars based on 907 reviews.

(907)

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$1,999.99

TEMPUR-Contour 11.5" Supreme Mattress

Rated 4.4 out of 5 stars based on 1697 reviews.

(1697)

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$1,699.99

TEMPUR-Flex Prima 10" Hyrbid Mattress

Rated 4.2 out of 5 stars based on 557 reviews.

(557)

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$1,999.99

TEMPUR-Flex Prima 10" Hybrid Mattress and Foundation Set

Rated 4.2 out of 5 stars based on 557 reviews.

(557)

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$799.99

Ghostbed 11" Memory Foam Mattress

Medium-Firm Cooling Gel Memory Foam
CertiPUR-US certified
Durable Cover
1.5" Aerated Latex Foam
2" Gel foam
7.5" High-Density Foam Base

Rated 4.3 out of 5 stars based on 4725 reviews.

(4725)

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$1,999.99

TEMPUR-Cloud Supreme Mattress

High-loft super-stretch cover with premium upholstered sides
Innovative two-layer construction to help you stay comfortable during the night
All the sleep-transforming benefits of TEMPUR® material, in a softer feel
Our proprietary TEMPUR® material adapts to your body by responding to your temperature, weight and shape – for personalized comfort

Rated 4.3 out of 5 stars based on 790 reviews.

(790)

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$2,299.99

TEMPUR-Cloud Supreme 11.5" Mattress and Foundation Set

High-loft Super-stretch Cover With Premium Upholstered Sides
Innovative Two-layer Construction To Help You Stay Comfortable During The Night
All The Sleep-transforming Benefits Of Tempur® Material, In A Softer Feel
Our Proprietary Tempur® Material Adapts To Your Body By Responding To Your Temperature, Weight And Shape – For Personalized Comfort

Rated 4.3 out of 5 stars based on 790 reviews.

(790)

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Beautyrest 13.5" Hybrid 1000 InfiniCool Mattress and Foundation Set

Starting at

$1,849.99

Beautyrest 13.5" Hybrid 1000 InfiniCool Mattress and Foundation Set

Beautyrest® Gel Memory Foam
AirCool® BeautyEdge™
Triton® Foundation with PowerBeam® Bracing
No-Flip Design
Beautyrest® Silver Pocketed Coil® System

Rated 4.1 out of 5 stars based on 767 reviews.

(767)

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Beautyrest 13.5" Hybrid 1000 InfiniCool Mattress

Starting at

$1,699.99

Beautyrest 13.5" Hybrid 1000 InfiniCool Mattress

Beautyrest® Gel Memory Foam AirCool® BeautyEdge™
No-Flip Design
Beautyrest® Silver Pocketed Coil® System

Rated 4.1 out of 5 stars based on 767 reviews.

(767)

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$1,899.99

Drexel Heritage 15" Royale Hybrid and Gel Memory Foam Mattress and Foundation Set

1.5" MicroTec Gel Memory Foam and 2” Cooling GelLux™ Foam
1" High Resilience Reflexa Foam
8" Tri-Zone Natural Spring Support System Ideal For Side Sleepers
IceLux FabricTM Cooling Cover

Rated 3.2 out of 5 stars based on 40 reviews.

(40)

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$699.99

Cocoon by Sealy 10" Medium Memory Foam Mattress

Expertly designed with 3 layers of CertiPUR foams
Premium stretch-knit fabric cover is soft, breathable and durable
Arrives in a box for hassle free delivery

Rated 4.4 out of 5 stars based on 1826 reviews.

(1826)

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$849.99

Cocoon by Sealy 12" Hybrid Memory Foam Mattress

The Best of Both Worlds, with Premium Memory Foam for Conforming Comfort and Individually Wrapped Coils for Responsive Bounce
Designed with CertiPUR-Certified Foams and a Soft, Breathable, Durable Premium Stretch-Knit Cover
Designed & Assembled in the USA and Backed by Over 130 Years of Sealy quality
Arrives in an Easily-Moveable Box for Hassle-Free Delivery

Rated 4.3 out of 5 stars based on 1034 reviews.

(1034)

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$749.99

Beautyrest 14.5" Silver Hybrid DualCool Plush Mattress

Dualcool Plus Wicking Design To Keep You Cool And Comfortable
Designed With Certipur-us Certified Foam

Rated 4 out of 5 stars based on 445 reviews.

(445)

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$629.99

Novaform 10" SoFresh Responsive Foam Mattress

Anti-microbial
2-Inch LURAcor™ Foam Infused With Real Copper
2-Inch Memory Foam
6-Inch Base Foam For Stability
Bed Frame, Headboard and Accessories Are Not Included

Rated 4.4 out of 5 stars based on 897 reviews.

(897)

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Box Spring Available

$999.97

Beautyrest BlackICE Nadia 14" Firm Memory Foam Mattress

Beautyrest Black Box Spring Not Included
Designed to Maintain an Ideal Sleep Climate
Stretch Knit Fabric Cover with a Cool to the Touch Finish
Beautyrest® Gel Memory Foam Provides Exceptional Pressure Relief
Black HD Memory Foam Conforms and Contours to your Body for Personalized Support

Rated 4.3 out of 5 stars based on 443 reviews.

(443)

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Box Spring Available

$1,299.99

Kirkland Signature by Stearns & Foster 14.5" Lakeridge Mattress

Sealy Box Spring Not Included

Rated 4.3 out of 5 stars based on 2910 reviews.

(2910)

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$629.99

Molecule 1 Air-Engineered 12" Memory Foam Mattress

Air-engineered™ To Optimize Recovery While You Sleep
RestoreFLO™: Open Cell Gel-Infused Memory Foam Comfort Layer (2")
RecoveryFLO™: 3-zone Dynamic Response Layer (3")
ContourFLO™: Maximum Support Layer (7")
CertiPUR-US® Certified

Rated 4.4 out of 5 stars based on 2060 reviews.

(2060)

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$699.99

Sleep Science 13" Bamboo Cool Firm Mattress

Bamboo Charcoal & Gel Memory Foam Wedge & Air Channels
CertiPUR Certified
Zip-Off Machine Washable Cover
Bed Frame And Headboard Are Not Included

Rated 4.4 out of 5 stars based on 374 reviews.

(374)

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$999.99

Novaform 14" Serafina Pearl Gel Memory Foam Mattress

Temperature Regulating Technology And Cool To The Touch Cover
Gel Pearl Memory Foam Top Layer Cools You Down As You Heat Up
Plush, Medium, And Firm Options With Customized Comfort Middle Layer
Durable Base Foam For Therapeutic Support With Easy-Moving Handles
20-Year Warranty for Guaranteed Great Sleep

Rated 4.3 out of 5 stars based on 4558 reviews.

(4558)

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Box Spring Available

$849.99

Sealy Posturepedic 13" Mount Auburn Medium Mattress

Sealy Box Spring Not Included

Rated 4.3 out of 5 stars based on 2329 reviews.

(2329)

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Cal King Bedroom Sets

Sheets

Home Entertainment

King Mattresses

Your choice of mattress will set the tone for your entire day, so let’s make it a good one! For a roomy experience, you might consider one of the traditional king mattresses. But if what you want is an absolutely luxurious sleeping option, the spacious California king mattress is the one for you. Measuring in at an impressive minimum standard of 72-inches wide by 84-inches long, the California king mattress is the lengthiest and most substantial of them all. Shop Costco’s Cal king mattress selection now, and get started on a great night’s sleep.

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