Core Support King Mattresses

Discover the perfect blend of comfort and stability with our selection of core support king mattresses, designed to elevate your sleep experience. Whether you're seeking enhanced durability or a restful night's sleep, these king-sized options cater to those who value both luxury and support. Ideal for couples or individuals who enjoy extra space, our core support king mattresses provide an inviting retreat after a long day. Explore our range to find the mattress that complements your lifestyle and transforms your bedroom into a sanctuary of relaxation.

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Sleepy's Basic Hybrid Mattress

1357

Starting at

$600⁹⁹

Medium Comfort, best for

All Sleep Positions
Toss and Turn
Bed Partner
Pain

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

Sleepy's Hybrid Firm Mattress

1446

Starting at

$900⁹⁹

$1700⁹⁹

$800 OFF

Firm Comfort, best for

Back and Stomach Sleepers
Pain
Temperature
Toss and Turn

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

Beautyrest Greenwood 10.5" Firm Mattress

3083

Starting at

$1300⁹⁹

Firm Comfort, best for

Back and Stomach Sleepers
Pain
Toss and Turn

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

670

Starting at

$2900⁹⁹

$3500⁹⁹

$600 OFF

Medium Comfort, best for

All Sleep Positions
Temperature
Bed Partner
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

2288

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)

Beautyrest Silver BRS900 11.75" Extra Firm Mattress

2502

Starting at

$710⁹⁹

$1700⁹⁹

$990 OFF

Extra Firm Comfort, best for

Back and Stomach Sleepers
Bed Partner
Pain
Temperature

72 hour sale ends Monday + FREE adjustable base with code ELEVATE (must add base to cart)

Beautyrest BR800 11.25" Firm Mattress

1587

Starting at

$1300⁹⁹

Firm Comfort, best for

Back and 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 BR800 12" Medium Mattress

2736

Starting at

$559⁹⁹

$1300⁹⁹

$741 OFF

Medium Comfort, best for

All Sleep Positions
Toss and Turn
Pain
Bed Partner

72 hour sale ends Monday!

Stearns & Foster Estate 14.5" Firm Mattress

819

Starting at

$2999⁰⁰

Firm Comfort, best for

Back and Stomach Sleepers
Bed Partner
Pain
Temperature

Receive $300 Instant Gift⁴ with purchase.

Serta Perfect Sleeper Sleep Excellence Plush Mattress

548

Starting at

$1100⁹⁹

$1700⁹⁹

$600 OFF

Plush Comfort, best for

Side Sleepers
Pain
Toss and Turn
Pain

Extra $100 off with code SCORE100 + FREE adjustable base with code ELEVATE (must add base to cart)

Sealy Essentials Sudley 8.5" Firm Mattress

899

Starting at

$400⁹⁹

$1000⁹⁹

$600 OFF

Firm Comfort, best for

Back and Stomach Sleepers
Pain

72 hour sale extended - ends today!

Beautyrest BR800 13.5" Medium Pillow Top Mattress

1392

Starting at

$670⁹⁹

$1500⁹⁹

$830 OFF

Medium Comfort, best for

All Sleep Positions
Toss and Turn
Pain
Bed Partner

72 hour sale ends Monday + FREE adjustable base with code ELEVATE (must add base to cart)

Beautyrest Silver BRS900-C 13.75" Extra Firm Mattress

1374

Starting at

$2000⁹⁹

Extra Firm Comfort, best for

Back and Stomach Sleepers
Bed Partner
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

1341

Starting at

$820⁹⁹

$1000⁹⁹

$180 OFF

Medium Comfort, best for

All Sleep Positions
Bed Partner
Pain
Temperature

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

Purple Original Mattress

26689

Starting at

$1999⁰⁰

Medium Comfort, best for

All Sleep Positions
Pain
Temperature
Allergies

Receive $300 Instant Gift⁴ with purchase.

Pressuresmart MF 12.5" Firm Mattress

124

Starting at

$1500⁹⁹

$1950⁹⁹

$450 OFF

Firm Comfort, best for

Back and Stomach Sleepers
Pain
Bed Partner
Temperature

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

Beautyrest BR800 12" Plush Euro Top Mattress

546

Starting at

$1400⁹⁹

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)

Sleepy's By Sealy Premium Memory Foam Mattress

121

Starting at

$1700⁹⁹

$2300⁹⁹

$600 OFF

Medium Comfort, best for

All Sleep Positions
Pain
Bed Partner
Toss and Turn

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

Serta Perfect Sleeper Nurture Night 12" Firm Mattress

704

Starting at

$800⁹⁹

$999⁰⁰

$199 OFF

Firm Comfort, best for

Back and Stomach Sleepers
Pain
Bed Partner
Temperature

72 hour sale ends Monday + FREE adjustable base with code ELEVATE (must add base to cart)

Beautyrest Silver BRS900 12" Plush Mattress

651

Starting at

$1700⁹⁹

Plush Comfort, best for

Side Sleepers
Bed Partner
Pain
Temperature

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

Nectar Classic 12" Firm Memory Foam Mattress

Starting at

$849⁰⁰

$1399⁰⁰

$550 OFF

Firm Comfort, best for

Back and Stomach Sleepers
Pain
Bed Partner
Temperature

Tulo 12" Medium Firm Cooling Hybrid Mattress

133

Starting at

$567⁹⁹

$1450⁹⁹

$883 OFF

Medium Comfort, best for

All Sleep Positions
Temperature
Pain
Bed Partner

72 hour sale ends Monday!

Serta Perfect Sleeper Oasis Sleep 14.5" Pillow Top Mattress

602

Starting at

$1078⁹⁹

$1399⁰⁰

$321 OFF

Medium Comfort, best for

All Sleep Positions
Pain
Bed Partner
Temperature

72 hour sale ends Monday + FREE adjustable base with code ELEVATE (must add base to cart)

Tulo 11" Medium Firm Cooling Hybrid Mattress

196

Starting at

$492⁹⁹

$1300⁹⁹

$808 OFF

Medium Comfort, best for

All Sleep Positions
Temperature
Pain
Bed Partner

72 hour sale ends Monday!

Serta Perfect Sleeper Nurture Night 13.5" Plush Mattress

525

Starting at

$879²⁰

$1099⁰⁰

$220 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)

Tulo 13" Medium Firm Cooling Hybrid Mattress

150

Starting at

$562⁹⁹

$1500⁹⁹

$938 OFF

Medium Comfort, best for

All Sleep Positions
Temperature
Pain
Bed Partner

72 hour sale ends Monday!

Core Support King Mattresses

When considering the purchase of a king-sized mattress, especially one that emphasizes core support, it's important to delve into the myriad benefits and considerations that accompany such a significant decision. A king mattress with core support is designed meticulously to provide an unrivaled balance of comfort and firm support, crucial for those who experience back pain or those simply seeking a restful night's sleep. As the seasons change and we welcome the rejuvenating energy of spring, the importance of a good night's sleep becomes even more apparent. Longer days and increased activities can take their toll on our bodies, making restorative sleep essential. A core support king mattress, with its spacious dimensions and specialized support systems, offers ample room and tailored support that can significantly enhance sleep quality, ensuring that you wake up refreshed and ready to embrace the vibrant spring days.

For individuals or couples who prioritize health and wellness, the investment in a mattress that supports the core body areas can be transformative. The king size offers luxurious space, accommodating varied sleeping positions without the risk of disturbing one's partner. This makes it an ideal choice for couples, particularly where one or both partners value the freedom to move without constraint. Additionally, these mattresses are often sought after by those who frequently host family gatherings or have pets that end up sharing the bed. The extra space ensures that everyone can relax in comfort, making it a perfect centerpiece for the master bedroom. As a gift, a core support king mattress is thoughtful and generous, often appreciated by newlyweds, recent homeowners, or aging parents who deserve the ultimate in sleep comfort. It's a gift that keeps on giving, offering nightly rejuvenation.

When selecting the right core support king mattress, it’s crucial to consider various features such as the type of core support system, the materials used, and the overall firmness. Technologies like memory foam, latex, or hybrid systems offer different benefits, such as contouring to the body's shape, reducing motion transfer, and providing targeted support to critical areas like the lower back and hips. For those interested in exploring a wide range of options, visiting the Core Support Mattresses page can provide insights into various models that cater to diverse needs and preferences. Whether upgrading your mattress for health reasons or simply to indulge in the luxury of space and comfort, a core support king mattress is a choice that promises to enhance your sleep and, by extension, your quality of life.

Best Sellers

Beautyrest BR800 13.5" Plush Pillow Top Mattress

Starting at

$652⁹⁹

$1500⁹⁹

$848 OFF

Beautyrest Silver BRS900 11.75" Extra Firm Mattress

Starting at

$580⁹⁹

$1400⁹⁹

$820 OFF

Beautyrest BR800 11.25" Firm Mattress

Starting at

$1000⁹⁹

Beautyrest BR800 12" Medium Mattress

Starting at

$559⁹⁹

$1300⁹⁹

$741 OFF

Tulo Bamboo 10" Medium Plush Green Tea Memory Foam Mattress

Starting at

$262⁹⁹

$690⁹⁹

$428 OFF

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Core Support King Mattresses

Core Support King Mattresses

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