15 Inch King Mattresses

Upgrade your sleep experience with the spacious comfort and impressive profile of this collection of 15 inch king mattresses. Designed to provide ample room for relaxation, these mattresses offer a luxurious foundation for restful nights. Whether you’re refreshing your primary bedroom or seeking extra support and space, explore a range of options that combine generous proportions with premium craftsmanship. Discover how a king-size mattress with a substantial height can transform both your bedroom aesthetic and your nightly routine.

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Kingsdown Crown Imperial 15" Plush Mattress

Starting at

$5799⁰⁰

Plush Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sleepy's Rest Medium Innerspring Mattress

6912

Starting at

$375⁰⁰

$1250⁹⁹

$875 OFF

Medium Comfort, best for

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

Sealy Posturepedic Plus Norman II 15" Firm Euro Top Mattress

Starting at

$2099⁰⁰

Firm Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sealy Posturepedic Pro Lacey II 15" Soft Euro Pillow Top Mattress

Starting at

$1949⁰⁰

$2649⁰⁰

$700 OFF

Plush Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sealy Posturepedic Plus Norman II 15" Soft Euro Top Mattress

Starting at

$1599⁰⁰

$2099⁰⁰

$500 OFF

Plush Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Serta Perfect Sleeper Sleep Excellence Medium PillowTop Mattress

1386

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 with code ELEVATE

Beautyrest Silver BRS900 11.75" Extra Firm Mattress

3208

Starting at

$1700⁹⁹

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 with code ELEVATE

Beauty Sleep® Midnight Dream 14.25" Ultra Plush Pillow Top Mattress

539

Starting at

$1500⁹⁹

Ultra Plush Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest Black Series Three 15" Firm Mattress

2048

Starting at

$4499⁰⁰

Firm Comfort, best for

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

$300 ⁶ adjustable base instant gift with purchase.

Sealy Posturepedic Elite Brenham II 15" Medium Mattress

405

Starting at

$2499⁰⁰

Medium Comfort, best for

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

Receive $200 Instant Gift⁴ with purchase.

Beautyrest Black Hybrid Series Three 15" Medium Mattress

134

Starting at

$4899⁰⁰

Medium Comfort,

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

$300 ⁶ adjustable base instant gift with purchase.

Kingsdown Crown Imperial 15" Firm Mattress

Starting at

$4399⁰⁰

$5799⁰⁰

$1400 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 with code ELEVATE

Sleepy's Basic Memory Foam Firm Mattress

3026

Starting at

$300⁷⁷

$1000⁹⁹

$700 OFF

Firm Comfort, best for

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

Sleepy's Basic Foam Mattress

1390

Starting at

$250⁹⁹

Firm Comfort, best for

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

Beautyrest Black Series Three 15.25" Medium Mattress

2092

Starting at

$4499⁰⁰

Medium Comfort, best for

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

$300 ⁶ adjustable base instant gift with purchase.

Serta Perfect Sleeper Sleep Excellence Extra Firm Mattress

895

Starting at

$1300⁹⁹

$2000⁹⁹

$700 OFF

Extra Firm Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest Black Series Two 15.5" Medium Mattress

470

Starting at

$3599⁰⁰

Medium Comfort, best for

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

$300 ⁶ adjustable base instant gift with purchase.

Stearns & Foster Studio 14.5" Medium Euro Pillow Top Mattress

142

Starting at

$2599⁰⁰

Medium Comfort, best for

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

Stearns & Foster Estate 15" Firm Euro Pillow Top Mattress

2581

Starting at

$3199⁰⁰

Firm Comfort, best for

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

Receive $300 Instant Gift⁴ with purchase.

Stearns & Foster Estate 15" Plush Euro Pillow Top Mattress

900

Starting at

$3199⁰⁰

Plush Comfort, best for

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

Receive $300 Instant Gift⁴ with purchase.

Sealy Posturepedic Plus Norman II 15" Medium Euro Top Mattress

281

Starting at

$1499⁰⁰

$2099⁰⁰

$600 OFF

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sealy Posturepedic Pro Lacey II 15" Medium Euro Top Mattress

272

Starting at

$2649⁰⁰

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest Black Series Two 15.25" Plush Mattress

225

Starting at

$3599⁰⁰

Plush Comfort, best for

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

$300 ⁶ adjustable base instant gift with purchase.

Sealy Posturepedic Elite Albany II 15" Soft Euro Top Mattress

Starting at

$2399⁰⁰

Plush Comfort, best for

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

Receive $200 Instant Gift⁴ with purchase.

Kingsdown Wesley 15.5" Medium Mattress

Starting at

$4499⁰⁰

Medium Comfort, best for

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

$300 ⁶ adjustable base instant gift with purchase.

Kingsdown Wesley 15" Extra Firm Mattress

Starting at

$4499⁰⁰

Extra Firm Comfort, best for

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

$300 ⁶ adjustable base instant gift with purchase.

15 Inch King Mattresses

A 15 inch king mattress is a statement piece in any bedroom, offering not only a generous sleeping surface but also a remarkable level of plushness and support. These 15 inch mattresses are crafted for those who crave a truly luxurious sleep experience, with multiple layers designed to contour to your body and minimize motion transfer. Whether you’re sharing your bed with a partner, pets, or simply enjoy the extra space to stretch out, a king size mattress 15 inch thick delivers both the comfort and durability needed for restful nights. As the days grow longer and spring approaches, many families find themselves reimagining their bedroom spaces—refreshing linens, rearranging furniture, and, for some, upgrading to a more substantial mattress that promises years of serene slumber. The added height of a 15 inch mattress king can make getting in and out of bed easier, especially for those with joint concerns, and can transform an ordinary bedroom into a personal retreat. For parents, a king size bed with a 15 inch profile provides enough room for weekend morning cuddles with children or pets, while couples appreciate the extra width that allows for undisturbed sleep, regardless of differing schedules or sleep styles.

Selecting a 15 inch king mattress involves thoughtful consideration of your unique needs and preferences. These mattresses are ideal for individuals seeking enhanced pressure relief, as the extra thickness often means more layers of memory foam, latex, or specialized cooling materials. If you’re a side sleeper, you might notice a significant difference in hip and shoulder comfort, while back and stomach sleepers can benefit from the supportive core that maintains spinal alignment. The substantial profile of a 15 inch mattress also lends itself well to master bedrooms with ample space and higher bed frames, creating an inviting focal point that encourages relaxation. For those who love to host guests, a well-appointed guest room featuring a king size mattress 15 inch thick ensures visitors feel pampered and well-rested, making it a thoughtful choice for holiday gatherings or family reunions. And when it comes to gifting, a luxurious mattress is a meaningful gesture for newlyweds, new homeowners, or anyone embarking on a new chapter in life—especially as spring cleaning and home refresh projects get underway.

It’s important to keep in mind that a mattress of this height may require deep-pocket sheets and should be paired with a sturdy foundation or box spring to maintain its longevity. If you’re exploring different options, you might also want to compare the benefits of various mattress heights; some sleepers find that a slightly lower profile, such as those available on our 11 Inch King Mattresses page, better suits their needs or complements their bedroom décor. Ultimately, investing in a 15 inch mattress king is about embracing a higher standard of comfort and making your bedroom a destination for restorative rest. As the season shifts and you look forward to brighter mornings and more restful nights, the right mattress can make all the difference in how you greet each new day.