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    Shop extra firm mattresses king size

    Sponsored
    $497.00
    The Allswell Luxe 12" Extra Firm Bed In A Box Hybrid Mattress, King
    Walmart
    1K+
    Free shipping
    $497.00
    The Allswell Luxe 12" Extra Firm Bed In A Box Hybrid Mattress, King
    Walmart
    $767.99
    $1,199.99
    Serta Classic Blissville 12.5" Firm Mattress | King
    Mattress Firm
    36% off
    $767.99
    $1,199.99
    Serta Classic Blissville 12.5" Firm Mattress | King
    Mattress Firm
    $1,199.99
    Serta Perfect Sleeper Elkins III 10" Firm Mattress | King
    Mattress Firm
    $1,199.99
    Serta Perfect Sleeper Elkins III 10" Firm Mattress | King
    Mattress Firm
    $674.99
    $1,399.00
    Serta Perfect Sleeper Oasis Sleep 12" Extra Firm Mattress | King
    Mattress Firm
    521
    51% off
    $674.99
    $1,399.00
    Serta Perfect Sleeper Oasis Sleep 12" Extra Firm Mattress | King
    Mattress Firm
    $699.00
    $899.00
    Member's Mark Hotel Premier 14' Hybrid Mattress - King (Firm):- Firm, King
    Sam's Club
    22% off
    $699.00
    $899.00
    Member's Mark Hotel Premier 14' Hybrid Mattress - King (Firm):- Firm, King
    Sam's Club
    $699.00
    $899.00
    Member's Mark Hotel Premier 14' Hybrid Mattress - King (Ultra Plush):- Plush, King
    Sam's Club
    22% off
    $699.00
    $899.00
    Member's Mark Hotel Premier 14' Hybrid Mattress - King (Ultra Plush):- Plush, King
    Sam's Club
    $675.00
    S&S Mattress - King, Firm
    Silk & Snow
    $675.00
    S&S Mattress - King, Firm
    Silk & Snow
    $849.00
    $899.00
    King Size Mattress By Nectar Mattress | Compare The Nectar 2025 Affordable Memory Foam Bed In A Box Sale
    Nectar Sleep
    3K+
    $849.00
    $899.00
    King Size Mattress By Nectar Mattress | Compare The Nectar 2025 Affordable Memory Foam Bed In A Box Sale
    Nectar Sleep
    $2,399.00
    Tempur-Pedic Cloud® Mattress - King
    Tempur-Pedic
    $2,399.00
    Tempur-Pedic Cloud® Mattress - King
    Tempur-Pedic
    $4,099.00
    Tempur-Pedic Proadapt® Firm Mattress - King
    Tempur-Pedic
    2K+
    $4,099.00
    Tempur-Pedic Proadapt® Firm Mattress - King
    Tempur-Pedic
    $599.00
    $899.00
    Ghostbed 12' Sam's Club Mattress - King:- King
    Sam's Club
    33% off
    $599.00
    $899.00
    Ghostbed 12' Sam's Club Mattress - King:- King
    Sam's Club
    $2,599.00
    Tempur-Pedic Cloud® + Hybrid Mattress - CA King
    Tempur-Pedic
    $2,599.00
    Tempur-Pedic Cloud® + Hybrid Mattress - CA King
    Tempur-Pedic
    $369.29
    $426.99
    12" Medium-Firm Pillow Top Hybrid Mattress - King
    Bed Bath & Beyond
    8
    13% off
    $369.29
    $426.99
    12" Medium-Firm Pillow Top Hybrid Mattress - King
    Bed Bath & Beyond
    $1,150.00
    Silk & Snow Firm Organic Mattress, Size: King
    Silk & Snow
    11% off
    $1,150.00
    Silk & Snow Firm Organic Mattress, Size: King
    Silk & Snow
    $284.03
    $382.82
    Ashley Ashley Firm King Mattress In White
    1 Stop Bedrooms
    42K+
    25% off
    $284.03
    $382.82
    Ashley Ashley Firm King Mattress In White
    1 Stop Bedrooms
    $669.99
    King Extra Firm 14" Innerspring Mattress - Zinus 75.0 H X 54.0 W 14.0 D, Microfiber | Wayfair
    Wayfair
    210
    $669.99
    King Extra Firm 14" Innerspring Mattress - Zinus 75.0 H X 54.0 W 14.0 D, Microfiber | Wayfair
    Wayfair
    $737.17
    $912.26
    Ashley Palisades Firm King Mattress In Gray And Blue
    1 Stop Bedrooms
    $10 Off*
    19% off
    $737.17
    $912.26
    Ashley Palisades Firm King Mattress In Gray And Blue
    1 Stop Bedrooms
    $1,099.99
    Signature Design By Ashley Ultra Luxury Firm Tight Top With Memory Foam King Mattress
    Walmart
    114
    Free shipping
    $1,099.99
    Signature Design By Ashley Ultra Luxury Firm Tight Top With Memory Foam King Mattress
    Walmart

    • Best Extra Firm Mattress 2025 | 5 Best Extra Firm Mattresses

      Best Extra Firm Mattress