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.

Sort & Filter

Sleepy's By Sealy Memory Foam Medium Mattress

2564

Starting at

$470⁹⁹

Medium Comfort, best for

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

72 hour sale ends Monday!

Sleepy's Basic Memory Foam Firm Mattress

2289

Starting at

$370⁹⁹

$1000⁹⁹

$630 OFF

Firm Comfort, best for

Back;Stomach Sleepers
Pain
Support
Temperature

72 hour sale ends Monday!

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)

Sleepy's By Sealy Memory Foam Plush Mattress

2132

Starting at

$532⁹⁹

$1900⁹⁹

$1368 OFF

Plush Comfort, best for

Side Sleepers
Pain
Bed Partner
Toss and Turn

72 hour sale ends Monday!

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)

Serta iSeries 2.0 Hybrid 3000 13.5" Medium Mattress

692

Starting at

$3500⁹⁹

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

2655

Starting at

$2029³⁰

$2899⁰⁰

$870 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Allergies
Bed Partner
Temperature

Receive $300 Instant Gift⁴ with purchase.

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 PressureSmart 2.0 Hybrid Medium 13" Mattress

1122

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

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)

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)

Stearns & Foster Estate 14.5" Firm Mattress

909

Starting at

$2999⁰⁰

Firm Comfort, best for

Back;Stomach Sleepers
Bed Partner
Pain
Temperature

Receive $300 Instant Gift⁴ with purchase.

Serta Perfect Sleeper Sleep Excellence Plush Mattress

577

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

907

Starting at

$1000⁹⁹

Firm Comfort, best for

Back;Stomach Sleepers
Pain

72 hour sale extended - ends today!

Tulo Bamboo 10" Medium Plush Green Tea Memory Foam Mattress

5057

Starting at

$338⁹⁹

$890⁹⁹

$552 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Toss and Turn
Pain
Temperature

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

Tulo Bamboo 12" Medium Plush Green Tea Memory Foam Mattress

5057

Starting at

$387⁹⁹

$1020⁹⁹

$633 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Toss and Turn
Pain
Temperature

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

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)

Tulo Lavender 10" Medium Plush Memory Foam Mattress

695

Starting at

$340⁹⁹

$510⁹⁹

$170 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Toss and Turn
Pain
Temperature

72 hour sale ends Monday!

Supportive King Mattresses

A supportive king mattress can make all the difference in creating a restful sanctuary, especially as the days grow longer and the summer sun encourages us to seek cool, comfortable sleep. The expansive dimensions of a king mattress offer ample room to stretch out, making it a favorite choice for couples, families, or anyone who values personal space at night. When support is a priority, these mattresses are designed to promote healthy spinal alignment, reduce pressure points, and minimize motion transfer—key features that help you wake up feeling refreshed and free of aches, even after a night spent tossing and turning. Whether you’re a side sleeper needing extra cushioning for your hips and shoulders, a back sleeper seeking steady lumbar support, or someone who shares the bed with a partner or pet, a king mattress with robust support can transform your nightly routine. Summer is an ideal season to upgrade your sleep setup, as the right mattress can also help regulate temperature and wick away moisture, keeping you comfortable through warm, humid nights.

Supportive king mattresses make thoughtful gifts for newlyweds setting up their first home together, parents celebrating a milestone anniversary, or anyone entering a new life chapter—such as moving into a larger space or recovering from an injury. For families, the generous size means there’s room for weekend morning snuggles with kids or pets, while the advanced support ensures everyone gets the rest they need. If you have guests visiting this summer for vacations or family gatherings, outfitting your guest room with a supportive king mattress can leave a lasting impression and ensure your loved ones enjoy a hotel-quality sleep experience. When selecting a supportive king mattress, consider factors like firmness level, preferred sleep position, and any specific needs such as targeted lumbar or hip support. Materials also matter; memory foam contours to your body for personalized comfort, while hybrid and innerspring models provide a buoyant, responsive feel. For those with particular concerns about joint or hip pain, it’s worthwhile to explore specialized options like Hip Support King Mattresses, which are engineered to deliver extra reinforcement where you need it most.

Investing in a supportive king mattress is about more than just upgrading your bedroom—it’s about investing in your well-being. The right mattress can help you maintain healthy posture, recover from daily stresses, and enjoy deeper, more restorative sleep. Imagine drifting off on a cool summer evening, the gentle hum of a fan in the background, knowing your mattress is working to cradle and support your body all night long. For those sharing a bed, the added space and support can reduce nighttime disruptions, allowing both partners to enjoy uninterrupted rest. Whether you’re searching for relief from chronic back pain, seeking a cooler sleep surface for hot summer nights, or simply wanting to indulge in the luxury of extra room, a supportive king mattress is a versatile, practical choice that adapts to your lifestyle and evolving needs. With so many options available, you can find a mattress that not only fits your space but also supports your unique sleep preferences, ensuring every night is a step closer to your best rest yet.