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

1392

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)

Beautyrest Greenwood 10.5" Firm Mattress

3088

Starting at

$520⁹⁹

$1300⁹⁹

$780 OFF

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

684

Starting at

$3500⁹⁹

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

2299

Starting at

$738⁹⁹

$1500⁹⁹

$762 OFF

Plush Comfort, best for

Side Sleepers
Toss and Turn
Pain
Bed Partner

05-17-2025_00-00-00#05-19-2025_23-59-00# 72 hour sale ends Monday + FREE adjustable base with code ELEVATE (must add base to cart),05-20-2025_00-00-00#12-31-2154_23-59-00# FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Beautyrest Silver BRS900 11.75" Extra Firm Mattress

2553

Starting at

$1700⁹⁹

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 BR800 11.25" Firm Mattress

1599

Starting at

$650⁹⁹

$1300⁹⁹

$650 OFF

Firm Comfort, best for

Back and Stomach Sleepers
Toss and Turn
Pain
Bed Partner

05-17-2025_00-00-00#05-19-2025_23-59-00# 72 hour sale ends Monday!

Beautyrest BR800 12" Medium Mattress

2766

Starting at

$650⁹⁹

$1300⁹⁹

$650 OFF

Medium Comfort, best for

All Sleep Positions
Toss and Turn
Pain
Bed Partner

05-17-2025_00-00-00#05-19-2025_23-59-00# 72 hour sale ends Monday!

Stearns & Foster Estate 14.5" Firm Mattress

878

Starting at

$2799⁰⁰

$2999⁰⁰

$200 OFF

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

552

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

902

Starting at

$1000⁹⁹

Firm Comfort, best for

Back and Stomach Sleepers
Pain

72 hour sale extended - ends today!

Beautyrest BR800 13.5" Medium Pillow Top Mattress

1437

Starting at

$738⁹⁹

$1500⁹⁹

$762 OFF

Medium Comfort, best for

All Sleep Positions
Toss and Turn
Pain
Bed Partner

Beautyrest Silver BRS900-C 13.75" Extra Firm Mattress

1387

Starting at

$1000⁹⁹

$2000⁹⁹

$1000 OFF

Extra Firm Comfort, best for

Back and Stomach Sleepers
Bed Partner
Pain
Temperature

Beautyrest Silver BRS900 11.75" Medium Firm Mattress

1371

Starting at

$1000⁹⁹

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

26695

Starting at

$1799⁰⁰

$1999⁰⁰

$200 OFF

Medium Comfort, best for

All Sleep Positions
Pain
Temperature
Allergies

Receive $300 Instant Gift⁴ with purchase.

Pressuresmart MF 12.5" Firm Mattress

132

Starting at

$2000⁹⁹

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

564

Starting at

$700⁹⁹

$1400⁹⁹

$700 OFF

Plush Comfort, best for

Side Sleepers
Toss and Turn
Pain
Bed Partner

Sleepy's By Sealy Premium Memory Foam Mattress

110

Starting at

$2300⁹⁹

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

739

Starting at

$999⁰⁰

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 Silver BRS900 12" Plush Mattress

687

Starting at

$875⁹⁹

$1700⁹⁹

$825 OFF

Plush Comfort, best for

Side Sleepers
Bed Partner
Pain
Temperature

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

134

Starting at

$1450⁹⁹

Medium Comfort, best for

All Sleep Positions
Temperature
Pain
Bed Partner

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

Serta Perfect Sleeper Oasis Sleep 14.5" Pillow Top Mattress

643

Starting at

$1399⁰⁰

Medium Comfort, best for

All Sleep Positions
Pain
Bed Partner
Temperature

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

Tulo 11" Medium Firm Cooling Hybrid Mattress

196

Starting at

$1300⁹⁹

Medium Comfort, best for

All Sleep Positions
Temperature
Pain
Bed Partner

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

Serta Perfect Sleeper Nurture Night 13.5" Plush Mattress

563

Starting at

$1099⁰⁰

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

154

Starting at

$1500⁹⁹

Medium Comfort, best for

All Sleep Positions
Temperature
Pain
Bed Partner

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

Zinus Green Tea 8 Cushioned Firm Memory Foam Mattress

1007

Starting at

$720⁹⁹

Firm Comfort, best for

Back and Stomach Sleepers
Pain
Temperature

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

Core Support King Mattresses

When exploring the realm of Core Support King Mattresses, it's essential to understand just how pivotal the right mattress can be to your overall health and well-being. Imagine, if you will, the tranquility of a restful night's sleep where every part of your body feels perfectly supported and comforted. This is not just a luxury but a necessity, especially for those who face challenges with back pain or sleep disturbances. A king-sized mattress with core support is crafted to provide an enhanced level of support and firmness, typically using a combination of high-quality materials that promote spinal alignment and distribute weight evenly. This is particularly beneficial during the warm, restless nights of May when comfort becomes paramount for a good night's sleep.

For individuals or couples who enjoy expansive sleeping spaces, the king mattress offers ample room to stretch and turn without disrupting a partner’s sleep. It’s an ideal choice for master bedrooms, offering a grand presence that transforms the room into a sanctuary of sleep. Beyond personal use, a Core Support King Mattress also makes a thoughtful and generous gift for significant life events such as weddings or housewarming parties, providing the recipients with a foundation for restorative sleep that can truly enhance the quality of their lives. Imagine gifting a slice of nightly luxury and comfort to a loved one, a gift that keeps on giving every night through improved sleep quality and increased energy during the day.

For those considering a purchase, it's beneficial to visit a dedicated page that offers a variety of Core Support Mattresses, where one can compare different models and features tailored to personal sleeping styles and needs. From temperature regulation technologies that keep you cool during hot months to layers designed for maximum pressure relief, each element of a core support mattress is designed to enhance sleep quality. As the seasons change, the right mattress can be the cornerstone of not only sleep but also overall health, adapting to your body’s needs whether it’s the blooming warmth of May or the crisp chill of autumn. Choosing the right core support mattress is a commitment to your health, providing you with a nightly retreat that rejuvenates both mind and body.