Coil Support King Mattresses

Discover the perfect blend of comfort and support with coil support king mattresses, designed to elevate your sleep experience. These mattresses combine innovative coil technology with spacious king-size dimensions, offering a luxurious sleep surface that caters to those who prioritize both space and stability in their bedroom sanctuary. Whether you're seeking enhanced durability or a mattress that adapts to your body's natural contours, coil support king mattresses provide an ideal solution for restful nights and rejuvenated mornings. Explore our selection to find the mattress that complements your lifestyle and transforms your sleep into a nightly retreat.

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Beautyrest Silver BRS900 11.75" Extra Firm Mattress

2582

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)

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)

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!

Sleepy's Rest Firm 2.0 Innerspring Mattress

6320

Starting at

$450⁹⁹

Firm Comfort, best for

Back;Stomach Sleepers
Pain

⏰ 72 hour sale ends Monday!

Beautyrest Greenwood 10.5" Firm Mattress

3108

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

1122

Starting at

$2000⁹⁹

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)

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)

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!

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)

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)

Sleepy's By Sealy Slumber Cushion Firm Mattress

216

Starting at

$2000⁹⁹

Medium Comfort, best for

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

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

Sealy Essentials Winter Green 13" Plush Euro Pillow Top Mattress

491

Starting at

$729⁹⁹

$1060⁹⁹

$331 OFF

Plush Comfort, best for

Side Sleepers
Pain
Allergies
Temperature

72 hour sale ends Monday!

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)

Sleepy's By Sealy Slumber Medium Mattress

Starting at

$640⁹⁹

$2300⁹⁹

$1660 OFF

Medium Comfort, best for

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

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

Sealy Essentials Winter Green 12" Medium Euro Top Mattress

542

Starting at

$621⁹⁹

$1380⁹⁹

$759 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain
Allergies
Temperature

72 hour sale ends Monday!

Beautyrest Silver BRS900 12" Plush Mattress

698

Starting at

$730⁹⁹

$1700⁹⁹

$970 OFF

Plush Comfort, best for

Side 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)

Serta Perfect Sleeper Nurture Night 14.5" Pillow Top Mattress

715

Starting at

$917⁹⁹

$1249⁰⁰

$332 OFF

Plush Comfort, best for

Side Sleepers
Pain
Bed Partner
Temperature

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

Serta Perfect Sleeper Elkins III 11" Plush Euro Top Mattress

1582

Starting at

$576⁹⁹

$1200⁹⁹

$624 OFF

Plush Comfort, best for

Side Sleepers
Pain
Temperature
Toss and Turn

72 hour sale ends Monday!

Serta Perfect Sleeper Elkins III 10" Firm Mattress

1512

Starting at

$512⁹⁹

$1200⁹⁹

$688 OFF

Firm Comfort, best for

Back;Stomach Sleepers
Pain
Temperature
Toss and Turn

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

Tulo 12" Medium Firm Cooling Hybrid Mattress

134

Starting at

$567⁹⁹

$1450⁹⁹

$883 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Temperature
Pain
Bed Partner

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

Coil Support King Mattresses

King size coil support mattresses are a cornerstone of luxurious sleep, offering a blend of spacious comfort and robust support that transforms any bedroom into a sanctuary. These mattresses are crafted with a network of steel coils, each working independently or in tandem to cradle the body, maintain spinal alignment, and minimize motion transfer. This makes them an ideal choice for couples, especially during the warmer months when restful sleep can be disrupted by tossing and turning. In May, as days grow longer and temperatures rise, the breathability of coil support mattresses becomes particularly valuable. The open structure of the coils allows for increased airflow, helping to dissipate heat and keep sleepers cool throughout the night. Whether you’re upgrading your master suite or preparing a guest room for summer visitors, a king size coil support mattress delivers the kind of restorative rest that helps you greet each morning with renewed energy.

Choosing a king size coil support mattress is about more than just size—it’s about creating an environment tailored to your specific needs and preferences. For families, the expansive surface area provides ample room for children or pets to join in for weekend morning snuggles, while still giving each sleeper plenty of personal space. Individuals with back pain or those who prefer a more traditional, responsive feel often gravitate toward coil support designs for their reliable firmness and bounce. These mattresses can also be a thoughtful gift for newlyweds setting up a new home, or for parents looking to refresh their own sleep experience after years of prioritizing others. When considering a purchase, factors such as coil gauge, count, and the type of comfort layers paired with the coils can make a significant difference in the overall feel and longevity of the mattress. The season can also influence your decision; for example, a coil support mattress with enhanced edge support is perfect for those who like to sit on the side of the bed to read or enjoy a cool evening breeze through an open window. And if you’re outfitting multiple rooms or shopping for different household members, you might also explore complimentary options like Coil Support Twin Mattresses to ensure every sleeper enjoys the same level of comfort and support, regardless of bed size.

Ultimately, a king size coil support mattress is a versatile foundation for restful nights and rejuvenating mornings. Its durability and classic construction make it a wise investment for anyone seeking a long-term solution to better sleep, while its generous proportions cater to a wide range of lifestyles and needs. As spring transitions to summer, now is the perfect time to refresh your sleep setup, whether you’re indulging in a personal upgrade or preparing your home to welcome loved ones. With thoughtful consideration of features and an eye toward quality, a coil support king mattress can provide years of comfort, support, and blissful sleep for you and your family.