Supportive King Mattresses

Discover the ultimate in comfort and restfulness with our collection of supportive king mattresses, designed to elevate your sleep experience. Perfect for those who value both space and support, these mattresses offer a harmonious blend of durability and luxury that caters to all types of sleepers. Whether you're seeking relief from pressure points or looking to enhance your sleep posture, our supportive king mattresses provide the ideal foundation for a rejuvenating night's sleep. Explore our range to find the perfect match for your bedroom oasis, ensuring you wake up refreshed and ready to take on the day.

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Sleepy's By Sealy Memory Foam Medium Mattress

2844

Starting at

$470⁹⁹

Medium Comfort, best for

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

Sleepy's Basic Memory Foam Firm Mattress

2539

Starting at

$300⁷⁷

$1000⁹⁹

$700 OFF

Firm Comfort, best for

Back;Stomach Sleepers
Pain
Support
Temperature

Sleepy's Basic Innerspring Firm Mattress

8163

Starting at

$240⁹⁹

$280⁹⁹

$40 OFF

Firm Comfort, best for

Back;Stomach Sleepers
Pain

Sleepy's By Sealy Medium Euro Top Mattress

3471

Starting at

$600⁹⁹

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain
Temperature
Bed Partner

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

Sleepy's Basic Hybrid Mattress

1595

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

2289

Starting at

$532⁹⁹

$1900⁹⁹

$1368 OFF

Plush Comfort, best for

Side Sleepers
Pain
Bed Partner
Toss and Turn

Serta Perfect Sleeper Charlotte 2.0 Medium Euro Top Mattress

2409

Starting at

$595⁹⁹

$1500⁹⁹

$905 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain
Toss and Turn
Pain

Sleepy's Rest Medium Innerspring Mattress

6549

Starting at

$470⁹⁹

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain

Sleepy's Rest Firm 2.0 Innerspring Mattress

6549

Starting at

$470⁹⁹

Firm Comfort, best for

Back;Stomach Sleepers
Pain

Beautyrest Greenwood 10.5" Firm Mattress

3226

Starting at

$520⁹⁹

$1300⁹⁹

$780 OFF

Firm Comfort, best for

Back;Stomach Sleepers
Pain
Toss and Turn

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

Serta Perfect Sleeper Sleep Excellence Medium PillowTop Mattress

1205

Starting at

$1300⁹⁹

$2000⁹⁹

$700 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain
Toss and Turn
Pain

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

Serta iSeries 2.0 Hybrid 3000 13.5" Medium Mattress

749

Starting at

$2900⁹⁹

$3500⁹⁹

$600 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)

Tempur-Pedic TEMPUR-Adapt 1.0 11" Medium Mattress

2660

Starting at

$2030⁷⁷

$2899⁰⁰

$869 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Allergies
Bed Partner
Temperature

Beautyrest BR800 13.5" Plush Pillow Top Mattress

2444

Starting at

$800⁹⁹

$1500⁹⁹

$700 OFF

Plush Comfort, best for

Side Sleepers
Toss and Turn
Pain
Bed Partner

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

Beautyrest PressureSmart 2.0 Hybrid Medium 13" Mattress

1288

Starting at

$1700⁹⁹

$2950⁹⁹

$1250 OFF

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)

Beautyrest Silver BRS900 11.75" Extra Firm Mattress

2711

Starting at

$710⁹⁹

$1700⁹⁹

$990 OFF

Extra Firm Comfort, best for

Back;Stomach Sleepers
Bed Partner
Pain
Temperature

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

Beautyrest BR800 11.25" Firm Mattress

1682

Starting at

$615⁹⁹

$1300⁹⁹

$685 OFF

Firm Comfort, best for

Back;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

1049

Starting at

$2799⁰⁰

$2999⁰⁰

$200 OFF

Firm Comfort, best for

Back;Stomach Sleepers
Bed Partner
Pain
Temperature

Receive $300 Instant Gift⁴ with purchase.

Serta Perfect Sleeper Sleep Excellence Plush Mattress

672

Starting at

$1100⁹⁹

$1700⁹⁹

$600 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

935

Starting at

$400⁹⁹

$1000⁹⁹

$600 OFF

Firm Comfort, best for

Back;Stomach Sleepers
Pain

Tulo Bamboo 10" Medium Plush Green Tea Memory Foam Mattress

5201

Starting at

$338⁹⁹

$890⁹⁹

$552 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Toss and Turn
Pain
Temperature

Tulo Bamboo 12" Medium Plush Green Tea Memory Foam Mattress

5201

Starting at

$387⁹⁹

$1020⁹⁹

$633 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Toss and Turn
Pain
Temperature

Beautyrest BR800 13.5" Medium Pillow Top Mattress

1583

Starting at

$800⁹⁹

$1500⁹⁹

$700 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)

Beautyrest Silver BRS900-C 13.75" Extra Firm Mattress

1493

Starting at

$855⁹⁹

$2000⁹⁹

$1145 OFF

Extra Firm Comfort, best for

Back;Stomach Sleepers
Bed Partner
Pain
Temperature

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

Tulo Lavender 10" Medium Plush Memory Foam Mattress

711

Starting at

$510⁹⁹

Medium Comfort, best for

Back;Side;Stomach Sleepers
Toss and Turn
Pain
Temperature

Tulo Bamboo 8" Medium Green Tea Memory Foam Mattress

5201

Starting at

$293⁹⁹

$810⁹⁹

$517 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Toss and Turn
Pain
Temperature

Supportive King Mattresses

A supportive king mattress is more than just a place to rest your head—it's a foundation for restorative sleep, tailored comfort, and long-term wellness. For couples and families, the expansive surface of a king-size mattress offers plenty of room to stretch out, roll over, or even share space with pets or children, all while maintaining the individual support each person needs. The real hallmark of a supportive king mattress is its ability to promote proper spinal alignment and relieve pressure points, which is especially important for those who experience back, hip, or joint discomfort. Whether you’re a side sleeper in need of enhanced cushioning around the shoulders and hips, a back sleeper seeking extra lumbar support, or someone who prefers a firmer feel for stomach sleeping, there are king mattresses designed to address a wide variety of sleep preferences and physical needs. Many modern supportive mattresses feature layered constructions that blend dense foams, responsive coils, and innovative materials like gel-infused memory foam or latex, all working together to deliver both sturdy support and plush comfort. In the heat of July, when summer nights can be warm and restless, cooling technologies such as breathable covers and airflow-promoting coil systems can make a world of difference, helping you sleep comfortably even when temperatures rise.

When shopping for a supportive king mattress, it’s helpful to consider who will be using the bed and how it will be used. For couples, motion isolation is a valuable feature, minimizing the transfer of movement and allowing both partners to sleep soundly, even if one is a restless sleeper. Those with chronic pain or specific health concerns may benefit from mattresses engineered with targeted zones of support, such as reinforced lumbar areas or extra edge support, which can make getting in and out of bed easier and more comfortable. King mattresses are also a thoughtful gift for newlyweds setting up a home, parents upgrading their master suite, or anyone celebrating a milestone where comfort and well-being take center stage. The generous size and tailored support make these mattresses a centerpiece for relaxation, whether you’re enjoying a lazy Sunday morning with breakfast in bed, reading with your kids, or simply unwinding after a long day. For those with particular concerns about hip alignment and comfort, options like Hip Support King Mattresses are available to provide targeted relief and support where it’s needed most. Ultimately, investing in a supportive king mattress is about creating a sanctuary that adapts to your body’s needs, supports healthy sleep habits, and enhances your lifestyle for years to come.