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 BR800 13.5" Plush Pillow Top Mattress

2564

Starting at

$800⁹⁹

$1500⁹⁹

$700 OFF

Plush Comfort, best for

Side Sleepers
Toss and Turn;Pain;Bed Partner;Temperature
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

961

Starting at

$1000⁹⁹

Firm Comfort, best for

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

Sleepy's Basic Innerspring Firm Mattress

8308

Starting at

$300⁹⁹

Firm Comfort, best for

Back;Stomach Sleepers
Temperature;Pain;Bed Partner;Allergies;Toss and Turn

Sleepy's By Sealy Medium Euro Top Mattress

3666

Starting at

$600⁹⁹

Medium Comfort, best for

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

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

Sleepy's Basic Hybrid Mattress

1658

Starting at

$600⁹⁹

Medium Comfort, best for

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

2526

Starting at

$595⁹⁹

$1500⁹⁹

$905 OFF

Medium Comfort, best for

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

Sleepy's Rest Medium Innerspring Mattress

6678

Starting at

$500⁹⁹

$1800⁹⁹

$1300 OFF

Medium Comfort, best for

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

Sleepy's Rest Firm 2.0 Innerspring Mattress

6678

Starting at

$1800⁹⁹

Firm Comfort, best for

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

Beautyrest Greenwood 10.5" Firm Mattress

3331

Starting at

$520⁹⁹

$1300⁹⁹

$780 OFF

Firm Comfort, best for

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

1273

Starting at

$2000⁹⁹

Medium Comfort, best for

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

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

Beautyrest Silver BRS900 11.75" Extra Firm Mattress

3046

Starting at

$710⁹⁹

$1700⁹⁹

$990 OFF

Extra Firm Comfort, best for

Back;Stomach Sleepers
Temperature;Pain;Allergies;Bed Partner;Toss and Turn;Toss and Turn
Pain
Temperature

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

Beautyrest BR800 11.25" Firm Mattress

2057

Starting at

$615⁹⁹

$1300⁹⁹

$685 OFF

Firm Comfort, best for

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

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

Beautyrest BR800 13.5" Medium Pillow Top Mattress

1715

Starting at

$800⁹⁹

$1500⁹⁹

$700 OFF

Medium Comfort, best for

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

1637

Starting at

$855⁹⁹

$2000⁹⁹

$1145 OFF

Extra Firm Comfort, best for

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

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

Beautyrest Silver BRS900 11.75" Medium Firm Mattress

1614

Starting at

$800⁹⁹

$1000⁹⁹

$200 OFF

Medium Comfort, best for

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

247

Starting at

$2000⁹⁹

Medium Comfort, best for

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

540

Starting at

$730⁹⁹

$1460⁹⁹

$730 OFF

Plush Comfort, best for

Side Sleepers
Bed Partner;Pain;Temperature;Toss and Turn
Allergies
Temperature

Beautyrest BR800 12" Plush Euro Top Mattress

645

Starting at

$570⁹⁹

$1400⁹⁹

$830 OFF

Plush Comfort, best for

Side Sleepers
Toss and Turn;Pain;Bed Partner;Temperature
Pain
Bed Partner

Sleepy's By Sealy Slumber Medium Mattress

131

Starting at

$640⁹⁹

$2300⁹⁹

$1660 OFF

Medium Comfort, best for

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

596

Starting at

$690⁹⁹

$1380⁹⁹

$690 OFF

Medium Comfort, best for

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

Serta Perfect Sleeper Nurture Night 12" Firm Mattress

970

Starting at

$800⁹⁹

$999⁰⁰

$199 OFF

Firm Comfort, best for

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

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

Beautyrest Silver BRS900 12" Plush Mattress

973

Starting at

$730⁹⁹

$1700⁹⁹

$970 OFF

Plush Comfort, best for

Side Sleepers
Temperature;Pain;Bed Partner;Toss and Turn;Toss and Turn
Pain
Temperature

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

923

Starting at

$917⁹⁹

$1249⁰⁰

$332 OFF

Plush Comfort, best for

Side Sleepers
Pain;Temperature;Bed Partner;Toss and Turn;Toss and Turn
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

1596

Starting at

$576⁹⁹

$1200⁹⁹

$624 OFF

Plush Comfort, best for

Side Sleepers
Pain;Temperature;Toss and Turn;Bed Partner
Temperature
Toss and Turn

Serta Perfect Sleeper Elkins III 10" Firm Mattress

1549

Starting at

$512⁹⁹

$1200⁹⁹

$688 OFF

Firm Comfort, best for

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

Tulo 12" Medium Firm Cooling Hybrid Mattress

140

Starting at

$567⁹⁹

$1450⁹⁹

$883 OFF

Medium Comfort, best for

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

Coil Support King Mattresses

A king size coil support mattress can transform the way you experience rest, especially during the late summer months when the days are long and the nights call for deep, restorative sleep. These mattresses are crafted with individually wrapped or interconnected coils, providing a balance of support and responsiveness that suits a wide range of sleepers. The generous surface area of a king mattress is ideal for couples who value personal space, families who occasionally share the bed with children or pets, or anyone who simply enjoys the luxury of stretching out without restriction. The coil support system adapts to your body’s unique contours, reducing motion transfer so you can sleep soundly even if your partner is prone to tossing and turning. With August’s warm nights, the breathability of coil support mattresses becomes especially valuable—air flows freely between the coils, helping to dissipate heat and keep the sleep surface cool and comfortable. For those who struggle with back pain or joint discomfort, the targeted support of a coil system can help maintain healthy spinal alignment, easing pressure points and fostering a more restorative night’s sleep.

Selecting the right king size coil support mattress involves more than just choosing the largest option available. Consider your preferred sleep position, firmness preference, and any specific needs such as enhanced edge support or reinforced lumbar zones. Side sleepers often benefit from a mattress that cushions the shoulders and hips, while back and stomach sleepers may prefer a firmer surface that keeps the spine aligned. If you or your partner are sensitive to allergens, look for coil support mattresses with hypoallergenic materials and moisture-wicking covers to ensure a fresh and healthy sleep environment throughout the humid summer season. Coil support king mattresses also make thoughtful gifts for newlyweds setting up a home, parents celebrating an anniversary, or anyone moving into a new space and seeking a fresh start in comfort and luxury. The durability of a well-constructed coil support system means your investment will continue to pay off for years, providing consistent comfort and support through every season. For households with varying needs, you might also be interested in exploring other sizes, such as Coil Support Twin Mattresses, which can be perfect for children’s rooms, guest spaces, or even vacation homes.

When you bring a coil support king mattress into your bedroom, you’re not just upgrading your sleep—you’re setting the stage for countless moments of relaxation and connection. Imagine lazy Sunday mornings spent reading in bed, family movie nights with everyone piled on the mattress, or simply enjoying the feeling of cool sheets and gentle support after a long, hot August day. The versatility of coil support technology means these mattresses are equally suited for traditional master bedrooms, contemporary lofts, or serene guest suites, adapting to your lifestyle and décor with ease. With thoughtful consideration of your sleep habits and preferences, a king size coil support mattress becomes more than just a place to rest—it’s a foundation for better health, deeper sleep, and more joyful mornings. Whether you’re upgrading your current mattress or furnishing a new home, the right coil support king mattress can make all the difference, offering a blend of comfort, support, and breathability that stands up to the demands of everyday life.