King Size Durable Mattresses

King size durable mattresses offer the perfect blend of spacious comfort and long-lasting support, making them an ideal choice for those seeking a restful night's sleep. Designed to withstand years of use while maintaining their shape and comfort, these mattresses provide an expansive sleeping surface that caters to couples or individuals who appreciate extra room. Whether you're upgrading your master bedroom or outfitting a guest suite, king size durable mattresses promise to deliver exceptional quality and enduring comfort, ensuring you wake up refreshed and ready to take on the day. Explore our selection to find the perfect fit for your sleep needs.

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Sleepy's Basic Foam Mattress

1230

Starting at

$210⁹⁹

Firm Comfort, best for

Back;Stomach Sleepers
Pain
Bed Partner

In-store deal ends Tuesday!

Sleepy's Basic Memory Foam Firm Mattress

2289

Starting at

$370⁹⁹

$1000⁹⁹

$630 OFF

Firm Comfort, best for

Back;Stomach Sleepers
Pain
Support
Temperature

72 hour sale ends Monday!

Sleepy's Basic Innerspring Firm Mattress

7939

Starting at

$250⁹⁹

Firm Comfort, best for

Back;Stomach Sleepers
Pain

Sleepy's By Sealy Medium Euro Top Mattress

3207

Starting at

$800⁹⁹

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain
Temperature
Bed Partner

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Sleepy's Basic Hybrid Mattress

1426

Starting at

$600⁹⁹

Medium Comfort, best for

Back;Side;Stomach Sleepers
Toss and Turn
Bed Partner
Pain

Queen mattress & base now $499 with code ELEVATE (must add base to cart)

Sleepy's By Sealy Memory Foam Plush Mattress

2132

Starting at

$532⁹⁹

$1900⁹⁹

$1368 OFF

Plush Comfort, best for

Side Sleepers
Pain
Bed Partner
Toss and Turn

72 hour sale ends Monday!

Serta iSeries 2.0 Hybrid 1000 12" Medium Mattress

1863

Starting at

$2100⁹⁹

$2600⁹⁹

$500 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Temperature
Bed Partner
Pain

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Serta Perfect Sleeper Charlotte 2.0 Medium Euro Top Mattress

2198

Starting at

$530⁹⁹

$1500⁹⁹

$970 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain
Toss and Turn
Pain

72 hour sale ends Monday!

Sleepy's Rest Medium Innerspring Mattress

6320

Starting at

$450⁹⁹

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain

⏰ 72 hour sale ends Monday!

Beautyrest BR800 13.5" Plush Pillow Top Mattress

2322

Starting at

$652⁹⁹

$1500⁹⁹

$848 OFF

Plush Comfort, best for

Side Sleepers
Toss and Turn
Pain
Bed Partner

72 hour sale ends Monday + FREE adjustable base with code ELEVATE (must add base to cart), FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Beautyrest BR800 11.25" Firm Mattress

1611

Starting at

$585⁹⁹

$1300⁹⁹

$715 OFF

Firm Comfort, best for

Back;Stomach Sleepers
Toss and Turn
Pain
Bed Partner

72 hour sale ends Monday!

Beautyrest BR800 12" Medium Mattress

2792

Starting at

$650⁹⁹

$1300⁹⁹

$650 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Toss and Turn
Pain
Bed Partner

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Stearns & Foster Estate 14.5" Firm Mattress

909

Starting at

$2999⁰⁰

Firm Comfort, best for

Back;Stomach Sleepers
Bed Partner
Pain
Temperature

Receive $300 Instant Gift⁴ with purchase.

Serta Perfect Sleeper Sleep Excellence Plush Mattress

577

Starting at

$1000⁹⁹

$1700⁹⁹

$700 OFF

Plush Comfort, best for

Side Sleepers
Pain
Toss and Turn
Pain

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Sealy Essentials Sudley 8.5" Firm Mattress

907

Starting at

$1000⁹⁹

Firm Comfort, best for

Back;Stomach Sleepers
Pain

72 hour sale extended - ends today!

Tulo Bamboo 10" Medium Plush Green Tea Memory Foam Mattress

5057

Starting at

$338⁹⁹

$890⁹⁹

$552 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Toss and Turn
Pain
Temperature

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Tulo Bamboo 12" Medium Plush Green Tea Memory Foam Mattress

5057

Starting at

$387⁹⁹

$1020⁹⁹

$633 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Toss and Turn
Pain
Temperature

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Beautyrest BR800 13.5" Medium Pillow Top Mattress

1467

Starting at

$652⁹⁹

$1500⁹⁹

$848 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Toss and Turn
Pain
Bed Partner

72 hour sale ends Monday + FREE adjustable base with code ELEVATE (must add base to cart), FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Beautyrest Silver BRS900-C 13.75" Extra Firm Mattress

1399

Starting at

$855⁹⁹

$2000⁹⁹

$1145 OFF

Extra Firm Comfort, best for

Back;Stomach Sleepers
Bed Partner
Pain
Temperature

72 hour sale ends Monday + FREE adjustable base with code ELEVATE (must add base to cart), FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Tulo Lavender 10" Medium Plush Memory Foam Mattress

695

Starting at

$340⁹⁹

$510⁹⁹

$170 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Toss and Turn
Pain
Temperature

72 hour sale ends Monday!

Tulo Bamboo 8" Medium Green Tea Memory Foam Mattress

5057

Starting at

$293⁹⁹

$810⁹⁹

$517 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Toss and Turn
Pain
Temperature

72 hour sale ends Monday!

Beautyrest Silver BRS900 11.75" Medium Firm Mattress

1384

Starting at

$1000⁹⁹

Medium Comfort, best for

Back;Side;Stomach Sleepers
Bed Partner
Pain
Temperature

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Purple Original Mattress

26702

Starting at

$1999⁰⁰

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain
Temperature
Allergies

Receive $300 Instant Gift⁴ with purchase.

Beautyrest BR800 12" Plush Euro Top Mattress

569

Starting at

$636⁹⁹

$1400⁹⁹

$764 OFF

Plush Comfort, best for

Side Sleepers
Toss and Turn
Pain
Bed Partner

72 hour sale ends Monday + FREE adjustable base with code ELEVATE (must add base to cart), FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Stearns & Foster Lux Estate Elite 16" Medium Euro Pillow Top Mattress

480

Starting at

$4599⁰⁰

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain
Bed Partner
Temperature

Receive $300 Instant Gift⁴ with purchase.

Tulo Lavender 6" Firm Memory Foam Mattress

200

Starting at

$229⁹⁹

$400⁹⁹

$171 OFF

Firm Comfort, best for

Back;Stomach Sleepers
Toss and Turn
Pain
Temperature

72 hour sale ends Monday!

King Size Durable Mattresses

When considering the purchase of a king size mattress, it's important to understand the unique blend of luxury and practicality that these larger mattresses offer. King size mattresses provide ample space for couples to sleep comfortably without disturbing one another, making them an excellent choice for those who value a good night's sleep. Additionally, the extra space is ideal for families with children who might join their parents in bed for morning cuddles or bedtime stories, enhancing those precious moments of family bonding. As the seasons change and the warmth of May invites longer days and mild nights, the comfort of a spacious, durable mattress becomes more appealing. Mattress Firm king size mattresses are designed to cater to these needs, offering a variety of options that ensure durability and comfort.

Durability is a key factor when selecting a king size mattress, especially if the mattress is going to be an investment in your long-term well-being. High-quality materials such as dense foams, resilient springs, and tough fabrics are essential components that help a mattress withstand the test of time and usage. For those who are environmentally conscious or suffer from allergies, options featuring hypoallergenic materials and eco-friendly designs also contribute to the overall durability and appeal of the mattress. Furthermore, the choice of a king size mattress can be an excellent gift for significant life events such as weddings or housewarming parties, offering the recipient a touch of luxury and the promise of restful nights. Ensuring that your mattress can hold up against the demands of daily life while providing comfort and support is not just about selecting the right brand; it’s about understanding the materials and construction that go into creating a durable, long-lasting product.

For those with slightly smaller spaces or different needs, exploring other sizes like Full Durable Mattresses can provide similar benefits in a more compact form. Whether upgrading your own sleeping arrangements or choosing a thoughtful gift for a loved one, a durable mattress from Mattress Firm can transform sleep experiences profoundly. King size mattresses, with their expansive dimensions and robust construction, promise more than just a place to sleep—they become a haven for relaxation, a space for comfort, and a cornerstone of the bedroom. As you browse through the various options, remember that the best mattress for you is one that fits your personal sleep style and comfort preferences, while also enhancing the overall aesthetics and functionality of your bedroom.