Shop Full Extra Long Mattresses

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A full XL bed might not be a common size, but it is a versatile one. A full extra long mattress measures 54" by 80", making it just as long as a queen or king, but it's narrower shape means it will fit better in smaller rooms. That makes the full XL size mattress a great choice for adolescents or adults who want plenty of room to sleep but don't want to sacrifice precious space in their room.

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  • NEW AT MATTRESS FIRM

    $479.20 - $719.20 $599.00 - $899.0 (up to 20% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • NEW AT MATTRESS FIRM

    $479.20 - $719.20 $599.00 - $899.0 (up to 20% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • NEW AT MATTRESS FIRM

    $479.20 - $719.20 $599.00 - $899.0 (up to 20% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • NEW AT MATTRESS FIRM

    $639.20 - $879.20 $799.00 - $1,099.0 (up to 20% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • NEW AT MATTRESS FIRM

    $639.20 - $879.20 $799.00 - $1,099.0 (up to 20% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • NEW AT MATTRESS FIRM

    $639.20 - $879.20 $799.00 - $1,099.0 (up to 20% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • NEW AT MATTRESS FIRM

    $879.20 - $1,199.20 $1,099.00 - $1,499.0 (up to 20% off)
     or as low as  $49.97/mo 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
  • NEW AT MATTRESS FIRM

    $879.20 - $1,199.20 $1,099.00 - $1,499.0 (up to 20% off)
     or as low as  $49.97/mo 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
  • NEW AT MATTRESS FIRM

    $879.20 - $1,199.20 $1,099.00 - $1,499.0 (up to 20% off)
     or as low as  $49.97/mo 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
  • $479.20 - $799.20 $599.00 - $999.0 (up to 20% off)
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • NEW AT MATTRESS FIRM

    $125.00 - $150.00