Shop Serta Twin Extra Long Memory Foam Mattresses

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Six extra inches of length means even more layers of memory foam. A Serta memory foam twin extra-long mattress is the perfect bed for tall sleepers seeking body-hugging comfort. Measuring 54" x 80", a Serta memory foam twin extra-long mattress will ensure you have the space and comfort to rest easy. With over 85 years of experience, Serta makes memory foam twin extra-long mattresses that can be trusted to provide the quality rest you deserve.

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  • FREE GIFT²

    $1,249.00 - $1,599.00 $1,299.00 - $1,999.00 (up to 20% off)
    Pay over  36 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $1,299.00, excluding tax and delivery charges, for 36 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • FREE GIFT²

    $1,449.00 - $1,899.00 $1,499.00 - $2,399.00 (up to 21% off)
    Pay over  36 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $1,299.00, excluding tax and delivery charges, for 36 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • FREE GIFT²

    $1,749.00 - $2,099.00 $1,799.00 - $2,599.00 (up to 19% off)
    Pay over  36 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $1,299.00, excluding tax and delivery charges, for 36 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • MATTRESS FIRM EXCLUSIVE

    $347.00 - $497.00 $397.00 - $797.00 (up to 38% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • MATTRESS FIRM EXCLUSIVE

    $1,449.00 - $2,299.00
    Pay over  36 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $1,299.00, excluding tax and delivery charges, for 36 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • MATTRESS FIRM EXCLUSIVE

    $1,949.00 - $2,999.00
    Pay over  48 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $1,999.00, excluding tax and delivery charges, for 48 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • MATTRESS FIRM EXCLUSIVE

    $759.00 - $1,699.00
    Pay over  24 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $999.00, excluding tax and delivery charges, for 24 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • MATTRESS FIRM EXCLUSIVE

    $1,149.00 - $1,999.00
    Pay over  36 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $1,299.00, excluding tax and delivery charges, for 36 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • MATTRESS FIRM EXCLUSIVE

    $1,249.00 - $2,099.00
    Pay over  36 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $1,299.00, excluding tax and delivery charges, for 36 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH