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Shop Best Extra Firm King Mattress

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Affordable · Effortless Assembly · Superior Quality · Superior Support · Ultra Comfortable
The Allswell Luxe 12" Extra Firm Bed …
$497.00
Walmart
4.0
·
1K+
32 % price drop
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Ghostbed 12' Sam's Club Mattress - Kin…
$599.00
$899.00
Sam's Club
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Affordable · Memory Foam · Optimal Firmness · Superior Quality · Superior Sleep Quality
Beautyrest King Mattress | Innerspr…
$874.99
$1,999.99
Mattress Firm
4.5
·
276
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Affordable · Easy to assemble · Hybrid · Optimal Firmness · Superior Quality
King Extra Firm 14" Innerspring Mattre…
$669.99
Wayfair
4.0
·
210
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720+ viewed
Beautyrest King Mattress | Innerspr…
$519.99
$1,299.99
Mattress Firm
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Member's Mark Hotel Premier 14' …
$699.00
$899.00
Sam's Club
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Serta Classic Blissville 12.5" Fir…
$383.99
$1,199.99
Mattress Firm
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Affordable · Sealy · Superior Support · Ultra Comfortable
Sealy King Mattress | Innerspring | Extr…
$1,045.99
$1,899.99
Mattress Firm
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Member's Mark Hotel Premier 14' …
$699.00
$899.00
Sam's Club
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Serta Perfect Sleeper Elkins III 1…
$1,199.99
Mattress Firm
17 % price drop
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Affordable · Memory Foam · Optimal Firmness · Superior Quality · Superior Sleep Quality
Beautyrest Silver BRS900-C 14-Inch …
$957.74
$1,276.99
Bed Bath & Beyond
5.0
·
20
27 % price drop
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King Size Firm Hybrid Memory Fo…
$269.00
$394.35
Home Depot
5.0
·
4
28 % price drop
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Affordable · Superior Quality · Superior Support · Ultra Comfortable
Beautyrest King Mattress | Innerspr…
$404.99
$1,299.99
Mattress Firm
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Affordable · Sealy · Superior Support · Ultra Comfortable
Sealy King Mattress | Innerspring | Fir…
$999.99
Local Inventory IconMattress Firm
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14 Inches Queen And King Euro To…
$345.99
$432.49
Bed Bath & Beyond
delivery truck
Free shipping
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Beautyrest Black Series One 13.5" E…
$2,599.00
Bed Bath & Beyond
delivery truck
Free shipping
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Affordable · Memory Foam · Optimal Firmness · Superior Quality · Superior Sleep Quality
Beautyrest King Mattress | Innerspr…
$1,699.99
Mattress Firm
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Serta Perfect Sleeper Nurture Ni…
$999.00
Mattress Firm
4.5
·
530
23 % price drop
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Affordable · Memory Foam · Optimal Firmness · Superior Quality · Superior Sleep Quality
BRS900 12 in. Extra Firm Hybrid Tight …
$669.00
$1,116.75
Home Depot
4.5
·
4
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Affordable · Hybrid · Serta · Superior Sleep Quality · Superior Support
King Extra Firm 13" Innerspring Mattre…
$1,059.99
$1,169.00
Wayfair
4.5
·
29
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Affordable · Memory Foam · Optimal Firmness · Superior Quality · Superior Sleep Quality
Beautyrest King Mattress | Innerspr…
$1,699.99
Mattress Firm
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Serta Perfect Sleeper Nurture Ni…
$999.00
Mattress Firm
4.5
·
530
38 % price drop
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Serta Perfect Sleeper Oasis Slee…
$674.99
$1,399.00
Mattress Firm
4.5
·
521
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Serta Perfect Sleeper Sleep Exce…
$1,999.99
Local Inventory IconMattress Firm
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Beautyrest Black Series One 13.5" E…
$2,599.00
Mattress Firm
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Beautyrest Black Series One 13.5" E…
$2,599.00
Bed Bath & Beyond
delivery truck
Free shipping
23 % price drop
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Affordable · Memory Foam · Optimal Firmness · Superior Quality · Superior Sleep Quality
BRS900 12 in. Extra Firm Hybrid Tight …
$669.00
$1,116.75
Home Depot
4.5
·
4
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Affordable · Hybrid · Serta · Superior Sleep Quality · Superior Support
King Extra Firm 13" Innerspring Mattre…
$1,059.99
$1,169.00
Wayfair
4.5
·
29
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King Medium Hybrid Memory Foam 12 i…
$269.00
$415.99
Home Depot
5.0
·
4
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12" Hybrid Firm Pocket Spring Mat…
$584.49
Bed Bath & Beyond
5.0
·
20
17 % price drop
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Innerspring · Multi-layered Foam · Serta · Ultra Comfortable
Serta Perfect Sleeper Nurture Ni…
$799.00
Mattress Firm
4.5
·
522
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12" Medium-Firm Pillow Top Hybrid …
$369.29
$426.99
Bed Bath & Beyond
4.5
·
8
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Affordable · Innerspring · Sealy · Superior Support · Ultra Comfortable
Sealy King Mattress | Eurotop Innerspri…
$1,999.99
Mattress Firm
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Pressuresmart MF 2.0 Extra Firm Mat…
$2,899.99
Mattress Firm
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Posturepedic Plus 12 in. Extra Firm Ti…
$1,846.36
Home Depot
4.5
·
149
  1. Showing 1 - 36 out of 164 results for "best extra firm king mattress"
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      CLOSEOUT! BRS900 12" Extra Firm Mattress- King
      CLOSEOUT! BRS900 12" Extra Firm …
      M
      Macy's
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      Sealy Posturepedic Plus 12 in. Extra Firm Tight Top Mattress, King 52768061
      Sealy Posturepedic Plus 12 in. Extra …
      T
      The Home Depot
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      Series One 12.75" Extra Firm Mattress - King
      Series One 12.75" Extra Firm Mattres…
      M
      Macy's
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      Series Three 14.25" Extra Firm Mattress - King
      Series Three 14.25" Extra Firm Mattr…
      M
      Macy's
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      Beautyrest Black Series Three 14.25" Extra Firm Mattress - King
      Beautyrest Black Series Three 14.25…
      M
      Macy's
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      Beautyrest Black Series One 12.75" Extra Firm Mattress - King
      Beautyrest Black Series One 12.75" E…
      M
      Macy's
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      Beautyrest Black Series Three Extra …
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      bloomingdale's
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      Asteria Natural Vari Extra Firm King …
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      bloomingdale's
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      Sealy Posturepedic 14-In Extra Firm …
      L
      Lowe's
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      Beautyrest Black Series One Extra Fir…
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      bloomingdale's
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      Special Offer
      Closeout! Beautyrest Silver BRS900 1…
      $2,599.00
      M
      Macy's
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      BRS900-C 13.75 in. King Extra Firm …
      $1,642.00
      H
      Home Depot
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      Special Offer
      Closeout! Serta Classic 13" Elite Extr…
      $2,119.00
      M
      Macy's
      SALE
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      King Extra Firm 12" Innerspring Mattr…
      $1,682.00
      W
      Wayfair
      SALE
      delivery truckFree shipping
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      Mattress 2.0 Firm King Size Mattres…
      A
      Amazon
    16. Saved
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      CLOSEOUT! BRS900-C 13.5" Extra Fir…
      M
      Macy's
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      Sealy Pressuresmart Extra Firm 13.5…
      M
      Mattress Firm
      delivery truckFree shipping
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      Kayden Extra Firm King Mattress:- Ki…
      S
      Sam's Club
    19. Saved
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      Sealy Posturepedic Engelmann 11 in…
      H
      Homedepot.com
      delivery truckFree shipping
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      CLOSEOUT! Classic 13" Elite Extra Fir…
      M
      Macy's
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      Beautyrest Silver BRS900 11.75 in. Ki…
      $1,382.00
      H
      Homedepot.com
      SALE
      delivery truckFree shipping
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      Sealy Sealy Posturepedic 14-In Extra …
      L
      Lowe's
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      BRS900 11.75 in. King Extra Firm Ma…
      $1,382.00
      H
      Home Depot
      SALE
      delivery truckFree shipping
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      BRS900-C 14 in. Extra Firm Hybrid Ti…
      $1,196.10
      H
      Home Depot
      SALE
      delivery truckFree shipping
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      Hypnos Nature's Reign Chester Extr…
      B
      bloomingdale's
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      Posturepedic Engelmann 11 in. Extr…
      H
      Home Depot
      delivery truckFree shipping
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      12-Inch Gel Memory Foam Mattress …
      W
      Walmart
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    28. Saved
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      Special Offer
      Closeout! Beautyrest Silver BRS900-…
      $3,149.00
      M
      Macy's
      SALE
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      Beautyrest Black Series Three Extra …
      B
      Bloomingdale's
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      Beautyrest Pressuresmart 2.0 Extra …
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      Mattress Firm
      delivery truckFree shipping
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      Serta Perfect Sleeper Oasis Sleep Ki…
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      Homedepot.com
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      Beautyrest No Color Harmony Cypre…
      M
      Macy's
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      King Extra Firm 13.75" Hybrid Mattre…
      $2,158.00
      W
      Wayfair
      SALE
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      Beautyrest Silver Mattress | Brs900 | …
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      Mattress Firm
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      Beautyrest Black Series One 13.5" Ex…
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      Mattress Firm
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      Beautyrest Silver Mattress | Extra Fir…
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  2. Sponsored
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    Affordable · Optimal Firmness · Superior Quality · Superior Sleep Quality · Superior Support
    Beautyrest Silver BRS900 12-Inch Ex…
    $891.49
    $1,081.49
    Bed Bath & Beyond
    4.5
    ·
    20
    34 % price drop
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    Affordable · Individually pocketed coils · Superior Quality · Ultra Comfortable
    Beautyrest King Mattress | Innerspr…
    $511.99
    $1,699.99
    Mattress Firm
    3.0
    ·
    104
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    Sealy Posturepedic Spring Euro Pillow …
    $1,099.34
    $1,221.49
    Bed Bath & Beyond
    4.5
    ·
    20
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    Ashley Ashley Firm King Mattress In W…
    $284.03
    $382.82
    1 Stop Bedrooms
    4.5
    ·
    10K+
    $5 Off*
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    Ashley 12 Inch Pocketed Hybrid W…
    $444.29
    $512.33
    1 Stop Bedrooms
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    10-Inch Memory Foam Hybrid Mattr…
    $314.99
    Bed Bath & Beyond
    delivery truck
    Free shipping
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    Memory Foam · Sealy · Superior Quality
    Sealy® Albany Posturepedic Matt…
    $2,299.00
    Bed Bath & Beyond
    delivery truck
    Free shipping
    10% Off*
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    Beautyrest Black Series One 13.5 In…
    $1,549.00
    $2,013.70
    1 Stop Bedrooms
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    Beautyrest Black Series Three 14.25…
    $4,299.00
    Mattress Firm
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    Sleepy's King Mattress | Innerspr…
    $249.99
    Local Inventory IconMattress Firm
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    True Support King Firm Euro Top Poc…
    $498.42
    Home Depot
    4.5
    ·
    4
    New tab icon
    Sealy King Mattress | Innerspring | Medi…
    $899.99
    $1,749.99
    Mattress Firm
    $10 Off*
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    Ashley Palisades Firm King Mattres…
    $737.17
    $912.26
    1 Stop Bedrooms
    New tab icon
    Sealy King Mattress | Innerspring | Plus…
    $1,149.99
    Mattress Firm
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    Harmony Cypress Bay King Extra Fir…
    $1,201.49
    Home Depot
    4.5
    ·
    56
    New tab icon
    King Size Medium Firm 12 in. Cool Ge…
    $279.00
    $415.99
    Home Depot
    4.0
    ·
    17
    New tab icon
    Ashley Ultra Luxury Firm Tight Top Wit…
    $849.92
    $1,133.02
    1 Stop Bedrooms
    4.5
    ·
    10K+
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    Sweetnight 10-Inch Memory Foam Inn…
    $418.49
    Bed Bath & Beyond
    delivery truck
    Free shipping
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    King Medium Memory Foam Hyb…
    $279.00
    $303.49
    Home Depot
    4.0
    ·
    36
    New tab icon
    Affordable · Optimal Firmness · Superior Quality · Superior Sleep Quality · Superior Support
    Beautyrest Silver BRS900 Extra Fir…
    $1,620.00
    $1,800.00
    JCPenney
    4.5
    ·
    362