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.
Skip to results list

Filters

123 items
Price
to
The highest price is $5,999.00
Product type

Filter

Price
to
The highest price is $5,999.00
Product type
  • Serta Perfect Sleeper plush mattress in bedroom on beige bed||feel: plush||level: enhanced

    Perfect Sleeper Innerspring Mattress 2023 Version

    Perfect Sleeper Innerspring Mattress 2023 Version
    $699.00 – $1,099.00
  • Serta Perfect Sleeper plush pillow top mattress in bedroom on beige bed||feel: plush pillow top||level: enhanced

    Perfect Sleeper Innerspring Mattress 2023 Version

    Perfect Sleeper Innerspring Mattress 2023 Version
    $799.00 – $1,249.00
  • Serta Perfect Sleeper firm pillow top mattress in bedroom on beige bed||feel: firm pillow top||level: ultimate

    Perfect Sleeper Innerspring Mattress 2023 Version

    Perfect Sleeper Innerspring Mattress 2023 Version
    $899.00 – $1,399.00
  • Serta Perfect Sleeper plush mattress in bedroom on beige bed||feel: plush||level: ultimate

    Perfect Sleeper Innerspring Mattress 2023 Version

    Perfect Sleeper Innerspring Mattress 2023 Version
    $899.00 – $1,399.00
  • Serta Perfect Sleeper medium pillow top mattress in bedroom on beige bed||feel: medium pillow top||level: ultimate

    Perfect Sleeper Innerspring Mattress 2023 Version

    Perfect Sleeper Innerspring Mattress 2023 Version
    $899.00 – $1,399.00
  • Serta Perfect Sleeper extra firm mattress in bedroom on beige bed||feel: extra firm||level: ultimate

    Perfect Sleeper Innerspring Mattress 2023 Version

    Perfect Sleeper Innerspring Mattress 2023 Version
    $899.00 – $1,399.00
  • Serta Perfect Sleeper plush pillow top mattress in bedroom on beige bed||feel: plush pillow top||level: ultimate

    Perfect Sleeper Innerspring Mattress 2023 Version

    Perfect Sleeper Innerspring Mattress 2023 Version
    $1,199.00 – $1,699.00
  • Serta Perfect Sleeper hybrid firm mattress on beige bed||feel: firm||level: standard

    Perfect Sleeper Hybrid Mattress 2023 Version

    Perfect Sleeper Hybrid Mattress 2023 Version
    $899.00 – $1,399.00
  • Serta Perfect Sleeper hybrid medium mattress on beige bed||feel: medium||level: standard

    Perfect Sleeper Hybrid Mattress 2023 Version

    Perfect Sleeper Hybrid Mattress 2023 Version
    $899.00 – $1,399.00
  • Serta Perfect Sleeper hybrid firm mattress on beige bed||feel: firm||level: enhanced

    Perfect Sleeper Hybrid Mattress 2023 Version

    Perfect Sleeper Hybrid Mattress 2023 Version
    $1,199.00 – $1,699.00
  • Serta Perfect Sleeper hybrid plush mattress on beige bed||feel: plush||level: enhanced

    Perfect Sleeper Innerspring Mattress 2023 Version

    Perfect Sleeper Innerspring Mattress 2023 Version
    $1,199.00 – $1,699.00
  • Serta classic dorian firm mattress sitting in a beige bed frame ||feel: firm||level: standard

    Serta Classic Mattress

    Serta Classic Mattress
    $399.00 – $799.00
  • Serta classic alden medium mattress sitting in a beige bed frame ||feel: medium ||level: standard

    Serta Classic Mattress

    Serta Classic Mattress
    $299.00 – $699.00
  • Serta classic dorian plush euro top mattress sitting in a beige bed frame ||feel: plush euro top||level: standard

    Serta Classic Mattress

    Serta Classic Mattress
    $399.00 – $799.00
  • Serta classic brecon firm mattress sitting in a beige bed frame ||feel: firm ||level: enhanced

    Serta Classic Mattress

    Serta Classic Mattress
    $499.00 – $899.00
  • Serta classic brecon plush pillow top mattress sitting in a beige bed frame ||feel: plush pillow top||level: enhanced

    Serta Classic Mattress

    Serta Classic Mattress
    $599.00 – $999.00
  • Serta classic brecon medium mattress sitting in a beige bed frame ||feel: medium ||level: enhanced

    Serta Classic Mattress

    Serta Classic Mattress
    $499.00 – $899.00
  • Serta pefect sleeper hybrid plush mattress with decorative pillows on a bed in a bedroom setting

    Perfect Sleeper Hybrid Mattress

    Perfect Sleeper Hybrid Mattress
    $999.00 – $1,599.00
  • Serta perfect sleeper plush mattress on a bed in a bedroom setting with decor elements.

    Perfect Sleeper Innerspring Mattress

    Perfect Sleeper Innerspring Mattress
    $599.00 – $1,499.00
  • Serta classic alden medium mattress sitting in a beige bed frame ||feel: medium ||level: standard

    Serta Classic Mattress

    Serta Classic Mattress
    $299.00 – $999.00
  • iComfort Aspire Medium Mattress sitting in a brown bedframe || feel: medium || level: Enhanced - 14"

    Serta iComfort Mattress

    Serta iComfort Mattress
    $1,099.00 – $2,899.00
  • iComfortPro Granby Extra Firm Mattress sitting in a brown bedframe || feel: extra firm || level: Level 1

    Serta iComfortPro Mattress

    Serta iComfortPro Mattress
    $1,699.00 – $5,999.00
  • Perfect Sleeper X Hybrid Aspen Firm Mattress sitting in a brown bedframe || feel: firm || level: Level 1

    Serta Perfect Sleeper X Hybrid Mattress

    Serta Perfect Sleeper X Hybrid Mattress
    $1,299.00 – $2,799.00
  • Perfect Sleeper X Quilted Hybrid Excelled Extra Firm Mattress sitting in a brown bedframe || feel: Extra Firm || level: Level 1

    Serta Perfect Sleeper X Quilted Hybrid Mattress

    Serta Perfect Sleeper X Quilted Hybrid Mattress
    $1,099.00 – $2,799.00