Gel Foam King Mattresses

Discover the ultimate in sleep comfort with our selection of gel foam king mattresses, designed to elevate your nighttime experience. Perfect for those seeking a spacious sleep surface, these mattresses combine innovative gel foam technology with the expansive comfort of a king-sized bed. Whether you're upgrading your current mattress or furnishing a new bedroom, our gel foam king mattresses offer the perfect blend of support and luxury. Explore our collection to find the ideal match for your sleep needs and transform your nights into restful retreats.

Sort & Filter

Sleepy's By Sealy Memory Foam Medium Mattress

2587

Starting at

$470⁹⁹

Medium Comfort, best for

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

72 hour sale ends Monday!

Sleepy's By Sealy Memory Foam Plush Mattress

2146

Starting at

$1900⁹⁹

Plush Comfort, best for

Side Sleepers
Pain
Bed Partner
Toss and Turn

72 hour sale ends Monday!

Serta iSeries 2.0 Hybrid 1000 12" Medium Mattress

1878

Starting at

$2600⁹⁹

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)

Serta iSeries 2.0 Hybrid 3000 13.5" Medium Mattress

696

Starting at

$2900⁹⁹

$3500⁹⁹

$600 OFF

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)

Beautyrest PressureSmart 2.0 Hybrid Medium 13" Mattress

1141

Starting at

$2950⁹⁹

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)

Tulo Bamboo 10" Medium Plush Green Tea Memory Foam Mattress

5072

Starting at

$890⁹⁹

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)

Sleepy's By Sealy Slumber Cushion Firm Mattress

217

Starting at

$560⁹⁹

$2000⁹⁹

$1440 OFF

Medium Comfort, best for

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

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

Beautyrest BR800 12" Plush Euro Top Mattress

570

Starting at

$1400⁹⁹

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)

Serta Perfect Sleeper Nurture Night 14.5" Pillow Top Mattress

719

Starting at

$1249⁰⁰

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)

Serta Perfect Sleeper Elkins III 11" Plush Euro Top Mattress

1583

Starting at

$1200⁹⁹

Plush Comfort, best for

Side Sleepers
Pain
Temperature
Toss and Turn

72 hour sale ends Monday!

Serta Perfect Sleeper Nurture Night 13.5" Medium Mattress

632

Starting at

$1099⁰⁰

Medium Comfort, best for

Back;Side;Stomach Sleepers
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

Back;Side;Stomach Sleepers
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

576

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)

Pressuresmart MF 15" Plush Euro Top Mattress

Starting at

$2150⁹⁹

$2500⁹⁹

$350 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)

Zinus Green Tea 10 Cushioned Firm Memory Foam Mattress

1061

Starting at

$860⁹⁹

Firm Comfort, best for

Back;Stomach Sleepers
Pain
Temperature

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

Tulo 13" Medium Firm Cooling Hybrid Mattress

156

Starting at

$1500⁹⁹

Medium Comfort, best for

Back;Side;Stomach Sleepers
Temperature
Pain
Bed Partner

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

Sealy Essentials Spruce 5.5" Firm Mattress

1028

Starting at

$950⁹⁹

Firm Comfort, best for

Back;Stomach Sleepers
Pain

72 hour sale ends Monday!

Zinus Green Tea 8 Cushioned Firm Memory Foam Mattress

1007

Starting at

$720⁹⁹

Firm Comfort, best for

Back;Stomach Sleepers
Pain
Temperature

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

Zinus Cooling Gel Memory Foam Pocket Hybrid 10" Mattress

Starting at

$1430⁹⁹

Medium Comfort, best for

Back;Side;Stomach Sleepers
Bed Partner
Pain
Temperature

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

Zinus Green Tea 12 Cushioned Firm Memory Foam Mattress

1081

Starting at

$1000⁹⁹

Firm Comfort, best for

Back;Stomach Sleepers
Pain
Temperature

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

Tempur-Pedic TEMPUR-ProAdapt 1.0 12" Medium Mattress

5054

Starting at

$2869³⁰

$4099⁰⁰

$1230 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Temperature
Pain
Allergies

Receive $300 Instant Gift⁴ with purchase.

Tempur-Pedic TEMPUR-ProAdapt 12" Firm Mattress

3370

Starting at

$4099⁰⁰

Firm Comfort, best for

Back;Stomach Sleepers
Pain
Bed Partner
Temperature

Receive $300 Instant Gift⁴ with purchase.

Sleepy's By Sealy Memory Foam Firm Mattress

2307

Starting at

$1350⁹⁹

Firm Comfort, best for

Back;Stomach Sleepers
Pain
Bed Partner
Toss and Turn

72 hour sale ends Monday!

Beautyrest Black Series Three 15" Firm Mattress

1256

Starting at

$4299⁰⁰

Firm Comfort, best for

Back;Stomach Sleepers
Pain
Bed Partner
Temperature

$300 ⁶ adjustable base instant gift with purchase.

Tempur-Pedic TEMPUR-LuxeBreeze Soft 13" Mattress

979

Starting at

$6299⁰⁰

Plush Comfort, best for

Side Sleepers
Temperature
Pain
Bed Partner

Receive $300 Instant Gift⁴ with purchase.

Purple Plus Mattress

789

Starting at

$2399⁰⁰

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain
Bed Partner
Temperature

Buy more, save more! Save up to $600 with code PURPLE2

Gel Foam King Mattresses

When you’re searching for the perfect blend of spacious comfort and cutting-edge cooling, a king mattress gel memory foam option can transform your bedroom into a restful sanctuary. The generous dimensions of a king size mattress provide ample space for couples, families with young children, or even pet owners who love to share their bed. As the days grow warmer in May and summer approaches, the advanced cooling properties of gel-infused memory foam become especially appealing, drawing away excess heat and helping you stay comfortably cool through the night. The unique structure of gel foam cradles your body, easing pressure points and supporting proper spinal alignment, which is ideal for those with back or joint concerns. Whether you’re a side sleeper needing extra cushioning for your shoulders and hips, or a back sleeper who appreciates a balance of softness and support, a king gel mattress adapts to your sleeping style. Many people find that the gentle contouring of gel memory foam reduces tossing and turning, making it easier to drift into deep, uninterrupted sleep.

A gel king mattress is also a thoughtful and impressive gift for newlyweds setting up their first home, parents celebrating an anniversary, or anyone embarking on a new chapter—such as a recent graduate moving into a larger space. The luxurious feel and cooling technology make it a welcome upgrade for guest bedrooms, ensuring visitors enjoy a restful stay, even during the hottest months. If you or your loved ones have ever struggled with overheating at night or waking up feeling stiff, the breathable design of gel foam is a game-changer. Its motion-isolating properties are particularly beneficial for light sleepers or couples with different schedules, minimizing disturbances from movement on the other side of the bed. Choosing a king size mattress firm enough to support your body, yet plush enough to offer cloud-like comfort, can make a world of difference in your daily energy and mood. Imagine stretching out on a cool, supportive surface after a long summer day—reading, watching a favorite show, or simply unwinding as the sun sets. The versatility and indulgence of a king gel mattress make it a mainstay for master suites and anyone who values restorative rest.

With so many options available, it’s helpful to consider your personal sleep preferences, room size, and any specific needs such as allergy-friendly materials or enhanced edge support. For those eager to explore even more choices and discover the full benefits of gel-infused comfort, the curated selection at Gel Foam Comfort Mattresses offers a comprehensive look at the latest innovations. Investing in a king mattress gel memory foam model is more than just upgrading your sleep surface—it’s about creating a tranquil retreat that adapts to your lifestyle, supports your health, and brings a touch of everyday luxury to your home. As you settle into the longer, warmer nights of the season, the right gel foam mattress can help ensure every morning starts refreshed, no matter how high the temperatures climb.