4th of July SaleEnds Sunday. Limited quantities. No rainchecks.Shop now

Skip to contentGo to Product Search
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. 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

  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. Dyonery - 12 Inch California King Mattress, Memory Foam Mattress with Cooling Gel, Relieve Pressure Medium Firm - White

    SKU: JJGT9CZ3HK

    Product Description

    A white memory foam mattress with cooling gel offers medium-firm support and pressure relief for restful sleep.
    See all Mattresses
    Your price for this item is $300.00

  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 $465.00
    Save $10
    The previous price was $475.00

  5. 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

  6. 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 $540.00

  7. 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 $699.00

  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. Manhattan Lane - Kali Platform California King Bed, Panel Design, Storage Drawer - Light Brown

    SKU: JJ86TL7GHH

    Product Description

    A contemporary light brown California king bed featuring a sleek panel headboard and spacious under-bed storage drawers.
    See all Beds & Bed Frames
    Your price for this item is $766.99
    Save $383
    The previous price was $1,150.49

  10. Mila 10" King Mattress by Modway - White

    SKU: J3ZK7RH648

    Product Description

    A white memory foam king mattress offering medium to firm support with a breathable stretch knit cover.
    See all Mattresses
    Your price for this item is $488.96
1-18 of 176 items
0 items

Best Sellers

Related Pages

FAQ

California king mattresses are often constructed from a variety of materials including memory foam, innerspring coils, latex, hybrid combinations, and gel-infused foam. Each material offers distinct benefits such as pressure relief, cooling, or enhanced support.

To keep your California king mattress in top condition, rotate it every 3–6 months, use a mattress protector to guard against spills and dust, and vacuum the surface regularly. Avoid jumping on the mattress and follow the manufacturer’s cleaning instructions for best results.

Many California king mattresses are compatible with adjustable bed frames, especially those made from memory foam or latex. Always check the product details or consult the manufacturer to ensure compatibility with your chosen base.

Yes, California king mattresses are an excellent choice for couples who value extra length and personal sleeping space. Many models also feature motion isolation technology, which helps minimize disturbances from a partner’s movements.

For the best fit and comfort, use bedding specifically labeled for California king mattresses, including fitted sheets, mattress protectors, and comforters. These are designed to accommodate the unique dimensions of a California king.