Man and woman sitting on a Serta mattress smiling while looking at an iPad with the number 44 Serta sheep laying on its back at the foot of the bed

King Size Mattresses

Go big and sleep comfortably with Serta’s selection of King-size mattresses. With enough room for couples or anyone who wants a wider sleep surface, a King mattress is optimal for master or large bedrooms.
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  • Serta iComfort PRO Mattress - Quilted Level 2
    Sold out

    Serta iComfort PRO Mattress - Quilted Level 2

    Serta iComfort PRO Mattress - Quilted Level 2
    $0.00
  • Serta iComfort PRO Mattress - Quilted Level 3
    Sold out

    Serta iComfort PRO Mattress - Quilted Level 3

    Serta iComfort PRO Mattress - Quilted Level 3
    $0.00
  • 10 inch plush pillow top mattress in a blue bedframe with a Serta sheep with a number on top of it with the Serta packaging to the right of the bed

    Serta Five Star Mattress

    Serta Five Star Mattress
    $159.20 – $799.20
  • Blue Serta iSeries NXG mattress on a wooden bed frame with a dark blue wall and white pendant lights.

    Serta® iSeries® NXG™ Mattress - 1500 Firm Foam

    Serta® iSeries® NXG™ Mattress - 1500 Firm Foam
    $1,899.00 – $2,899.00
  • Blue Serta iSeries NXG mattress on a wooden bed frame with pillows against a blue wall.

    Serta® iSeries® NXG™ Mattress - 2500 Plush Foam

    Serta® iSeries® NXG™ Mattress - 2500 Plush Foam
    $2,199.00 – $3,199.00
  • Bed frame with a blue Serta iSeries NXG mattress topper in a bedroom setting

    Serta® iSeries® NXG™ Mattress - 3500 Medium Foam

    Serta® iSeries® NXG™ Mattress - 3500 Medium Foam
    $2,599.00 – $4,199.00
  • Blue Serta iSeries NXG mattress with a brand logo on a wooden bed frame in a bedroom setting.

    Serta® iSeries® NXG™ Mattress - 4500 Ultra Plush Foam

    Serta® iSeries® NXG™ Mattress - 4500 Ultra Plush Foam
    $2,899.00 – $4,499.00
  • Blue Serta® iSeries® NXG™ mattress with brand logo on a wooden bed in a bedroom setting

    Serta® iSeries® NXG™ Mattress - 4500 Hybrid Ultra Plush

    Serta® iSeries® NXG™ Mattress - 4500 Hybrid Ultra Plush
    $2,899.00 – $4,499.00
  • Blue iSeries® NXG Hybrid mattress with a brand logo on a wooden bed frame against a blue wall.

    Serta® iSeries® NXG™ Mattress - 2500 Hybrid Plush

    Serta® iSeries® NXG™ Mattress - 2500 Hybrid Plush
    $2,199.00 – $3,199.00
  • Blue Serta iSeries NXG Hybrid mattress on a wooden bed frame with pillows in a bedroom setting.

    Serta® iSeries® NXG™ Mattress - 1500 Hybrid Firm

    Serta® iSeries® NXG™ Mattress - 1500 Hybrid Firm
    $1,899.00 – $2,899.00
  • Blue Serta® iSeries® NXG™ mattress on a wooden bed frame with a dark blue wall and wooden nightstands.

    Serta® iSeries® NXG™ Mattress - 3500 Hybrid Firm

    Serta® iSeries® NXG™ Mattress - 3500 Hybrid Firm
    $2,599.00 – $4,199.00
  • Blue Serta® iSeries® NXG™ mattress with a visible brand logo on a wooden bed frame in a bedroom setting.

    Serta® iSeries® NXG™ Mattress - 3500 Hybrid Medium

    Serta® iSeries® NXG™ Mattress - 3500 Hybrid Medium
    $2,599.00 – $4,199.00
  • Blue Serta® iSeries® NXG™ Mattress mattress on a wooden bed frame with a gray wall and nightstands.

    Serta® iSeries® NXG™ Mattress - 2500 Hybrid Medium

    Serta® iSeries® NXG™ Mattress - 2500 Hybrid Medium
    $2,199.00 – $3,199.00
  • Blue Serta iSeries NXG mattress on a wooden bed frame with a dark blue wall and white pendant lights.

    Serta® iSeries® NXG™ Foam Mattress

    Serta® iSeries® NXG™ Foam Mattress
    $1,899.00 – $2,899.00
  • Blue Serta iSeries NXG Hybrid mattress on a wooden bed frame with pillows in a bedroom setting.

    Serta® iSeries® NXG™ Hybrid Mattress

    Serta® iSeries® NXG™ Hybrid Mattress
    $1,899.00 – $2,899.00
  • Serta Perfect Sleeper Mattress - Level 1
    Sold out

    Serta Perfect Sleeper Mattress - Level 1

    Serta Perfect Sleeper Mattress - Level 1
    $0.00
  • Serta Perfect Sleeper Mattress - Level 2
    Sold out

    Serta Perfect Sleeper Mattress - Level 2

    Serta Perfect Sleeper Mattress - Level 2
    $0.00
  • Serta Perfect Sleeper Mattress - Smooth Top

    Serta Perfect Sleeper Mattress - Smooth Top

    Serta Perfect Sleeper Mattress - Smooth Top
    $0.00
  • Serta iComfort Mattress
    Sold out

    Serta iComfort Mattress

    Serta iComfort Mattress
    $0.00
  • Serta Perfect Sleeper medium mattress on a wooden bed frame with pillows in a bedroom setting

    Perfect Sleeper Innerspring Mattress

    Perfect Sleeper Innerspring Mattress
    $699.00 – $1,099.00
  • Serta Perfect Sleeper plush mattress on a wooden bed frame with decorative pillows in a bedroom setting.

    Perfect Sleeper Innerspring Mattress

    Perfect Sleeper Innerspring Mattress
    $599.00 – $999.00
  • Serta Perfect Sleeper firm mattress on a wooden bed frame in a bedroom setting

    Perfect Sleeper Innerspring Mattress

    Perfect Sleeper Innerspring Mattress
    $699.00 – $1,099.00
  • Serta perfect sleeper plush mattress on a wooden bed frame with pillows in a bedroom setting.

    Perfect Sleeper Innerspring Mattress

    Perfect Sleeper Innerspring Mattress
    $699.00 – $1,099.00
  • Serta perfect sleeper plush mattress on a wooden bed frame in a bedroom setting

    Perfect Sleeper Innerspring Mattress

    Perfect Sleeper Innerspring Mattress
    $799.00 – $1,199.00