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California King Memory Foam Mattresses

California king memory foam mattresses offer a spacious and supportive sleep solution for those seeking maximum comfort. Designed to fit larger bedrooms and provide ample room to stretch out, these mattresses are ideal for couples or anyone who enjoys extra space while sleeping. Explore a variety of options to find the perfect California king memory foam mattress that enhances your bedroom and helps create a restful environment every night.

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  1. 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

  2. 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

  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 $524.62

  4. 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

  5. Aveline 10" California King Mattress by Modway - White

    SKU: J3ZK7RQJ7F

    Product Description

    A breathable white memory foam mattress with gel infusion for cooling comfort and pressure point relief.
    See all Mattresses
    Your price for this item is $487.92
    Save $310
    The previous price was $798.00
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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.