King Mattresses on Sale

59 results

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  1. DreamCloud 4.0 Ultra Hybrid Mattress by DreamCloud

    DreamCloud

    DreamCloud 4.0 Ultra Hybrid Mattress
    From $1,299.00
    From $1,369.00
  2. Serta Perfect Sleeper Island Bliss Medium Pillow Top Mattress by Serta

    Serta

    Serta Perfect Sleeper Island Bliss Medium Pillow Top Mattress
    From $899.99
    From $1,299.95
  3. City Mattress Arden Firm Innerspring Mattress by City Mattress

    City Mattress

    City Mattress Arden Firm Innerspring Mattress
    From $459.99
    From $799.95
  4. Helix Midnight Luxe Mattress by Helix

    Helix

    Helix Midnight Luxe Mattress
    From $1,194.00
    From $1,492.00
  5. Beautyrest Core Level 2 Medium Firm Pillow Top Innerspring Mattress by Simmons

    Simmons

    Beautyrest Core Level 2 Medium Firm Pillow Top Innerspring Mattress
    From $899.99
    From $1,379.95
  6. Casper Cloud One Mattress by Casper

    Casper

    Casper Cloud One Mattress
    From $899.00
    From $1,124.00
  7. City Mattress Ella EuroTop Innerspring Mattress by City Mattress

    City Mattress

    City Mattress Ella Medium Innerspring Mattress
    From $659.99
    From $999.95
  8. Nectar 5.1 Ultra Memory Foam Mattress by Nectar

    Nectar

    Nectar 5.1 Ultra Memory Foam Mattress
    From $1,499.00
    From $1,999.00
  9. Serta Perfect Sleeper Island Bliss Firm Mattress by Serta

    Serta

    Serta Perfect Sleeper Island Bliss Firm Mattress
    From $699.99
    From $1,199.95
  10. City Mattress Ella Firm Innerspring Mattress by City Mattress

    City Mattress

    City Mattress Ella Firm Innerspring Mattress
    From $659.99
    From $999.95
  11. City Mattress Ella EuroTop Innerspring Mattress by City Mattress

    City Mattress

    City Mattress Ella EuroTop Innerspring Mattress
    From $659.99
    From $999.95
  12. Helix Midnight Elite Mattress by Helix

    Helix

    Helix Midnight Elite Mattress
    From $1,837.00
    From $2,624.00
  13. Beautyrest Core Level 2 Plush Pillow Top Innerspring Mattress by Simmons

    Simmons

    Beautyrest Core Level 2 Plush Pillow Top Innerspring Mattress
    From $899.99
    From $1,379.95
  14. Beautyrest Core Level 2 Extra Firm Innerspring Mattress by Simmons

    Simmons

    Beautyrest Core Level 2 Extra Firm Innerspring Mattress
    From $849.99
    From $1,249.95
  15. Helix Twilight Luxe Mattress by Helix

    Helix

    Helix Twilight Luxe Mattress
    From $1,119.00
    From $1,492.00
  16. Helix Sunset Luxe Mattress by Helix

    Helix

    Helix Sunset Luxe Mattress
    From $1,194.00
    From $1,492.00
  17. Helix Twilight Elite Mattress by Helix

    Helix

    Helix Twilight Elite Mattress
    From $2,099.00
    From $2,624.00
  18. Helix Sunset Elite Mattress by Helix

    Helix

    Helix Sunset Elite Mattress
    From $2,099.00
    From $2,624.00

King Mattresses on Sale – Sleep in Spacious Comfort with City Mattress

Treat yourself to the space and support you deserve with a king mattress—now on sale at City Mattress. Whether you're upgrading your primary bedroom or creating a luxurious sleep sanctuary, our king-size mattresses deliver the comfort and quality you need to sleep your best.

Premium Brands at Exceptional Prices

Explore a wide range of styles and comfort levels from the most trusted names in sleep:

Prefer to try your new mattress in person? Visit one of our many showroom locations throughout Florida and New York, including Naples, Boca Raton, West Palm Beach, Fort Myers, and Buffalo. In-store shoppers can also take advantage of exclusive offers, clearance pricing, and floor model discounts.

Complete Your Sleep Upgrade

Pair your new king-size mattress with adjustable bases, luxury pillows, sheet sets, and stylish bedroom furniture to transform your room into a true retreat.

Shop online or visit your local store today and save big on the king-size comfort you’ve been dreaming of.

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