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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  • 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 – $4,499.00
  • Serta® iSeries® NXG™ Hybrid Mattress

    Serta® iSeries® NXG™ Hybrid Mattress

    Serta® iSeries® NXG™ Hybrid Mattress
    $1,899.00 – $4,499.00
  • Perfect Sleeper Pro Hampton Extra Firm mattress sitting in a brown bedframe || level: Level 1 || feel: Extra Firm

    Serta Perfect Sleeper Pro Mattress

    Serta Perfect Sleeper Pro Mattress
    $1,599.00 – $3,799.00