Best Buy Tech Fest SaleEnds Sunday. Limited quantities. No rainchecks.Shop now

Skip to contentGo to Product Search
Main Content
Skip to contentGo to Product Search

Best Buy Tech Fest SaleEnds Sunday. Limited quantities. No rainchecks.Shop now

Main Content
Categories & Filters
Best Buy

/

furniture & decor

/

bedroom furniture

/

mattresses

California King Mattress

Upgrade your sleep experience with these California King mattresses. Designed for those who crave extra space and unparalleled comfort, these mattresses offer generous dimensions that are perfect for individuals or couples seeking a luxurious night's rest. Whether you're looking to replace your current mattress or are in the market for a new one, these California King mattresses provide ample room to stretch out and unwind. Browse the top-ranked list of California king-size mattresses below along with associated reviews and opinions.

Read More
Results
Main Results

  1. Serta - 4-inch Layered Luxury Memory Foam Mattress Topper California king - off-white

    SKU: JXJCG8CHLR

    Product Description

    A plush off-white California king topper with layered memory foam and bamboo rayon cover for enhanced comfort.
    See all Mattress Toppers & Pads
    Your price for this item is $178.99
    Save $31
    The previous price was $209.99

  2. Casper - Wave Hybrid Mattress, California King - Gray

    SKU: JJ86Y2LVXL

    Product Description

    A gray California King hybrid mattress with breathable memory foam and cooling gel for optimal back support.
    See all Mattresses
    Your price for this item is $3,495.00

  3. Renanim - California King 12" Medium Mattress in a Box, Breathable Cooling Gel Memory Foam for Cooler & Deeper Sleep - Gray

    SKU: J3R848WKJK

    Product Description

    A gray, medium-firm memory foam mattress with cooling gel and breathable, hypoallergenic construction for deeper sleep.
    See all Mattresses
    Your price for this item is $510.20
    Save $44
    The previous price was $555.09

  4. Vipbear - Extra Firm Mattress California King 14 Inch with Ice Silk Cover - Gray

    SKU: JJGT9CYV6J

    Product Description

    An extra firm California King mattress in gray with an ice silk cover and certified safe, odor-free materials.
    See all Mattresses
    Your price for this item is $501.00

  5. Renanim - California King 14" Plush Mattress in a Box, Breathable Cooling Gel Memory Foam for Cooler & Deeper Sleep - Gray

    SKU: J3R848WKCJ

    Product Description

    A plush gray memory foam mattress with cooling gel and breathable design for cooler, deeper sleep.
    See all Mattresses
    Your price for this item is $695.00

  6. Comfety - Mattress Protector, Ultra Soft Mattress Cover, Hypoallergenic, Breathable, Crinkle Free & Noiseless - California King - White

    SKU: J3Q5RV65R5

    Product Description

    A hypoallergenic, waterproof white polyester cover that keeps your mattress cool, quiet, and protected from spills.
    See all Mattress Toppers & Pads
    Your price for this item is $37.49

  7. Vipbear - 14 " California King Size Extra Firm Mattresses with Ice Silk Cover, Cool Green Tea/Gel Memory Foam Mattress - White

    SKU: JJGT9CYKRQ

    Product Description

    An extra firm California King mattress with a cool ice silk cover and green tea gel memory foam.
    See all Mattresses
    Your price for this item is $469.99

  8. Comfety - Mattress Encasement, Zippered Mattress Protector, Breathable, Noiseless Mattress Cover - California King - White

    SKU: J3R85GGYHT

    Product Description

    A breathable, noiseless white polyester encasement with a zippered closure that protects against spills and dust.
    See all Mattress Toppers & Pads
    Your price for this item is $45.97

  9. Hivvago - California King Heavy Duty 18-inch High Rise Metal Platform Bed Frame - Black

    SKU: J45HJ67CH6

    Product Description

    A heavy-duty black metal platform bed frame offering strong support, extra storage, and noise-free construction.
    See all Beds & Bed Frames
    Your price for this item is $228.85
    Save $102
    The previous price was $331.84

  10. Hivvago - California King Heavy Duty Metal Bed Frame with Headboard Footboard Brackets - Black

    SKU: J4CFKJWLK5

    Product Description

    A heavy-duty black metal frame with headboard and footboard brackets for California King mattresses.
    See all Beds & Bed Frames
    Your price for this item is $228.85
    Save $102
    The previous price was $331.84
1-18 of 176 items
0 items

Best Sellers

Related Pages

Sign in or Create Account

Get the latest deals and more.

Best Buy appLearn more
Share on YouTubeShare on InstagramShare on TikTokShare on FacebookShare on PinterestShare on X
Best Buy Canada
AccessibilityTerms & ConditionsPrivacyInterest-Based AdsState Privacy RightsHealth Data PrivacyDo Not Sell/Share My Personal InformationLimit Use of My Sensitive Personal InformationTargeted Advertising Opt OutCA Supply Chain Transparency Act
In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.
Sign in or Create Account

Get the latest deals and more.

Best Buy appLearn more
Share on YouTubeShare on InstagramShare on TikTokShare on FacebookShare on PinterestShare on X
Best Buy Canada

In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.