Shop King Mattresses

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Measuring 76" wide and 80" long, a king size mattress provides plenty of space for a couple to sleep comfortably. Not every bedroom can fit a king mattress, so be sure to measure that the king mattress size is not too big for your sleeping space before getting your heart set on one of the many king bed mattress options available. Simmons was the first company to market the king mattress size.

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  • Sleepy's 12 Inch Plush Quilted Gel Memory Foam Mattress Sleepy's 12 Inch Plush Quilted Gel Memory Foam Mattress

    WEB SPECIAL

    Sleepy's 12" Plush Quilted Gel Memory Foam Mattress
    Sleepy's 12" Plush Quilted Gel Memory Foam Mattress
    $312.50 - $581.50 $624.99 - $1,162.99 (up to 50% off)
    financing
    Pay over  12 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $1.00, excluding tax and delivery charges, for 12 months at 0% APR*. Learn more.
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  • Sleepy's 14 Inch Plush Quilted Gel Memory Foam Mattress Sleepy's 14 Inch Plush Quilted Gel Memory Foam Mattress

    FREE GIFT²

    Sleepy's 14" Plush Quilted Gel Memory Foam Mattress
    Sleepy's 14" Plush Quilted Gel Memory Foam Mattress
    $312.50 - $669.00 $624.99 - $1,337.99 (up to 50% off)
    financing
    Pay over  12 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $1.00, excluding tax and delivery charges, for 12 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • Sleepy's 10 Inch Medium Quilted Gel Foam Mattress Sleepy's 10 Inch Medium Quilted Gel Foam Mattress

    FREE GIFT²

    Sleepy's 10" Medium Quilted Gel Foam Mattress
    Sleepy's 10" Medium Quilted Gel Foam Mattress
    $231.50 - $499.50 $462.99 - $998.99 (up to 50% off)
    financing
    Pay over  12 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $1.00, excluding tax and delivery charges, for 12 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • Sleepy's 10 Inch Medium Quilted Foam Mattress Sleepy's 10 Inch Medium Quilted Foam Mattress

    WEB SPECIAL

    Sleepy's 10" Medium Quilted Foam Mattress
    Sleepy's 10" Medium Quilted Foam Mattress
    $206.50 - $437.00 $412.99 - $873.99 (up to 50% off)
    financing
    Pay over  12 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $1.00, excluding tax and delivery charges, for 12 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • Sleepy's 10 Inch Medium Two-Sided Plush Quilted Foam Mattress Sleepy's 10 Inch Medium Two-Sided Plush Quilted Foam Mattress

    WEB SPECIAL

    Sleepy's 10” Medium Two-Sided Plush Quilted Foam Mattress
    Sleepy's 10” Medium Two-Sided Plush Quilted Foam Mattress
    $206.00 - $362.00 $411.99 - $723.99 (up to 50% off)
    financing
    Pay over  12 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $1.00, excluding tax and delivery charges, for 12 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • Simmons Beautyrest Greenwood 9.5 Inch Firm Mattress Simmons Beautyrest Greenwood 9.5 Inch Firm Mattress

    FREE GIFT²

    Simmons Beautyrest Greenwood 9.5" Firm Mattress
    Simmons Beautyrest Greenwood 9.5" Firm Mattress
    $449.00 - $599.00 $499.00 - $899.00 (up to 33% off)
    financing
    Pay over  12 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $1.00, excluding tax and delivery charges, for 12 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • Serta iSeries Hybrid 100 13.5 Inch Firm Mattress Serta iSeries Hybrid 100 13.5 Inch Firm Mattress

    FREE GIFT²

    Serta iSeries Hybrid 100 13.5" Firm Mattress
    Serta iSeries Hybrid 100 13.5" Firm Mattress
    $1,249.00 - $1,599.00 $1,299.00 - $1,999.00 (up to 20% off)
    financing
    Pay over  12 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $1.00, excluding tax and delivery charges, for 12 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • Serta iSeries Hybrid 500 14 Inch Cushion Firm Mattress Serta iSeries Hybrid 500 14 Inch Cushion Firm Mattress

    FREE GIFT²

    Serta iSeries Hybrid 500 14" Cushion Firm Mattress
    Serta iSeries Hybrid 500 14" Cushion Firm Mattress
    $1,749.00 - $2,099.00 $1,799.00 - $2,599.00 (up to 19% off)
    financing
    Pay over  12 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $1.00, excluding tax and delivery charges, for 12 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • Serta iSeries Hybrid 300 13.5 Inch Plush Mattress Serta iSeries Hybrid 300 13.5 Inch Plush Mattress

    FREE GIFT²

    Serta iSeries Hybrid 300 13.5" Plush Mattress
    Serta iSeries Hybrid 300 13.5" Plush Mattress
    $1,449.00 - $1,899.00 $1,499.00 - $2,399.00 (up to 21% off)
    financing
    Pay over  12 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $1.00, excluding tax and delivery charges, for 12 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • Simmons Beautyrest World Class Bridgewater 13.5 Inch Firm Mattress Simmons Beautyrest World Class Bridgewater 13.5 Inch Firm Mattress

    FREE GIFT²

    Simmons Beautyrest World Class Bridgewater 13.5" Firm Mattress
    Simmons Beautyrest World Class Bridgewater 13.5" Firm Mattress
    $1,349.00 - $1,799.00 $1,399.00 - $2,199.00 (up to 22% off)
    financing
    Pay over  12 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $1.00, excluding tax and delivery charges, for 12 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • Simmons Beautyrest World Class Providence 14.5 Inch Plush Pillow Top Mattress Simmons Beautyrest World Class Providence 14.5 Inch Plush Pillow Top Mattress

    FREE GIFT²

    Simmons Beautyrest World Class Providence 14.5" Plush Pillow Top Mattress
    Simmons Beautyrest World Class Providence 14.5" Plush Pillow Top Mattress
    $1,449.00 - $1,899.00 $1,499.00 - $2,399.00 (up to 21% off)
    financing
    Pay over  12 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $1.00, excluding tax and delivery charges, for 12 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH
  • Simmons Beautyrest World Class Resonance 13.5 Inch Plush Mattress Simmons Beautyrest World Class Resonance 13.5 Inch Plush Mattress

    FREE GIFT²

    Simmons Beautyrest World Class Resonance 13.5" Plush Mattress
    Simmons Beautyrest World Class Resonance 13.5" Plush Mattress
    $1,349.00 - $1,699.00 $1,399.00 - $2,099.00 (up to 19% off)
    financing
    Pay over  12 months!
    All monthly payments are rounded up to the nearest whole dollar. +Monthly payment is based on minimum purchase price alone of $1.00, excluding tax and delivery charges, for 12 months at 0% APR*. Learn more.
    EXTRA FIRM FIRM MEDIUM PLUSH ULTRA PLUSH