Shop Serta Full Firm Mattresses

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The Serta full firm mattress, measuring 54" wide by 74" long, offers excellent support for back sleepers and stomach sleepers, and it also provides enough give for most side sleepers. The firm mattress typically has a thin layer of foam which softens the top, while the remaining layers are stiffer to maintain firmness. Young children tend to like firmer mattresses, since they're easier to stand on while learning to walk.

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  • ONLY AT MATTRESS FIRM

    $1,299.00 - $2,099.00 $1,599.00 - $2,399.00 (up to 19% off)
    Pay over  72 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $625.00, excluding tax and delivery charges, for 72 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • ONLY AT MATTRESS FIRM

    $999.00 - $1,599.00 $1,199.00 - $1,799.00 (up to 17% off)
    Pay over  72 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $625.00, excluding tax and delivery charges, for 72 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • ONLY AT MATTRESS FIRM

    $1,149.00 - $1,999.00
    Pay over  72 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $625.00, excluding tax and delivery charges, for 72 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • ONLY AT MATTRESS FIRM

    $1,649.00 - $2,499.00
    Pay over  72 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $625.00, excluding tax and delivery charges, for 72 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH