Advanced Support Cal King Mattresses

Discover the ultimate in comfort and stability with advanced support cal king mattresses, designed to enhance your sleep experience. Ideal for those seeking a spacious sleeping area without compromising on support, these mattresses offer a perfect blend of luxury and functionality. Whether you're upgrading your master bedroom or looking for a solution to improve your nightly rest, our selection of cal king mattresses provides the perfect foundation for rejuvenating sleep. Explore options that cater to your unique needs and transform how you rest with unparalleled support and comfort.

Sort & Filter

Serta iSeries 2.0 Hybrid 1000 12" Medium Mattress

2011

Starting at

$2100⁹⁹

$2600⁹⁹

$500 OFF

Medium Comfort, best for

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

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

Serta Perfect Sleeper Charlotte 2.0 Medium Euro Top Mattress

2440

Starting at

$1500⁹⁹

Medium Comfort, best for

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

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

Beautyrest Greenwood 10.5" Firm Mattress

3319

Starting at

$1300⁹⁹

Firm Comfort, best for

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

1225

Starting at

$1300⁹⁹

$2000⁹⁹

$700 OFF

Medium Comfort, best for

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

753

Starting at

$2900⁹⁹

$3500⁹⁹

$600 OFF

Medium Comfort, best for

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

2467

Starting at

$1500⁹⁹

Plush Comfort, best for

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

2757

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 up to $499 value with code ELEVATE (must add base to cart)

Beautyrest BR800 11.25" Firm Mattress

1716

Starting at

$1300⁹⁹

Firm Comfort, best for

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

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

Serta Perfect Sleeper Sleep Excellence Plush Mattress

692

Starting at

$1700⁹⁹

Plush Comfort, best for

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

940

Starting at

$400⁹⁹

$1000⁹⁹

$600 OFF

Firm Comfort, best for

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

Beautyrest BR800 13.5" Medium Pillow Top Mattress

1611

Starting at

$1500⁹⁹

Medium Comfort, best for

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

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

1523

Starting at

$2000⁹⁹

Extra Firm Comfort, best for

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

1465

Starting at

$820⁹⁹

$1000⁹⁹

$180 OFF

Medium Comfort, best for

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

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

Purple Original Mattress

26800

Starting at

$1999⁰⁰

Medium Comfort, best for

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

Sealy Essentials Winter Green 13" Plush Euro Pillow Top Mattress

499

Starting at

$1460⁹⁹

Plush Comfort, best for

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

Beautyrest BR800 12" Plush Euro Top Mattress

600

Starting at

$1400⁹⁹

Plush Comfort, best for

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

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

Stearns & Foster Lux Estate Elite 16" Medium Euro Pillow Top Mattress

545

Starting at

$4199⁰⁰

$4599⁰⁰

$400 OFF

Medium Comfort, best for

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

Receive $300 Instant Gift⁴ with purchase.

Sealy Essentials Winter Green 12" Medium Euro Top Mattress

551

Starting at

$1380⁹⁹

Medium Comfort, best for

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

Sleepy's By Sealy Premium Memory Foam Mattress

161

Starting at

$1150⁹⁹

$2300⁹⁹

$1150 OFF

Medium Comfort, best for

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

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

Beautyrest Silver BRS900 12" Plush Mattress

799

Starting at

$1700⁹⁹

Plush Comfort, best for

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

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

791

Starting at

$1249⁰⁰

Plush Comfort, best for

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

1593

Starting at

$1200⁹⁹

Plush Comfort, best for

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

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

Serta Perfect Sleeper Elkins III 10" Firm Mattress

1543

Starting at

$1200⁹⁹

Firm Comfort, best for

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

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

Serta Perfect Sleeper Nurture Night 13.5" Medium Mattress

699

Starting at

$1099⁰⁰

Medium Comfort, best for

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

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

Tulo 12" Medium Firm Cooling Hybrid Mattress

140

Starting at

$1450⁹⁹

Medium Comfort, best for

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

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

Tulo 10" Medium Cooling Hybrid Mattress

121

Starting at

$1250⁹⁹

Medium Comfort, best for

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

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

Advanced Support Cal King Mattresses

Choosing an Advanced Support Cal King mattress is an investment in restful nights and energized mornings, especially for those who need extra support to ease aches, promote alignment, and foster deep, uninterrupted sleep. These mattresses are designed with innovative materials and construction techniques that target pressure points and help maintain healthy posture throughout the night. Whether you’re a couple seeking ample space to spread out without disturbing each other’s slumber, or an individual who simply enjoys the luxury of a larger sleep surface, the Cal King size provides both comfort and roominess. The advanced support features—ranging from reinforced cores to zoned support layers—are perfect for anyone who deals with back discomfort, wakes up with stiffness, or simply wants to prevent those issues down the line. For people recovering from injuries, athletes with demanding routines, or anyone who spends long hours on their feet, the right Cal King mattress can make a tangible difference in daily well-being. Imagine sinking into a mattress that cradles your body just where you need it, whether you sleep on your back, side, or stomach, and waking up refreshed—ready to enjoy the longer days and outdoor activities that come with summer.

The versatility of an Advanced Support Cal King mattress also makes it a thoughtful and practical gift, especially for newlyweds setting up a new home, parents who need a supportive sleep surface after long, busy days, or anyone celebrating a milestone that calls for a meaningful upgrade. As June brings warmer temperatures and the anticipation of summer adventures, a mattress with advanced support can help regulate temperature and ensure cool, comfortable sleep, thanks to modern fabrics and airflow technologies. For those who share their bed with a partner or even a pet, the generous dimensions and edge support of a Cal King mattress provide plenty of space to stretch out without sacrificing stability or comfort. If you’re outfitting a master bedroom or transforming a guest suite into a luxury retreat, this mattress size offers a perfect blend of grandeur and function. And for those with unique sleep needs—such as taller individuals who require extra legroom—the Cal King’s extended length ensures no more cold feet at the end of the bed. If you’re exploring options for other family members or guest rooms, consider the benefits of advanced support in different sizes, like the Advanced Support Twin Xl Mattresses, which offer similar features in a more compact footprint.

When selecting an Advanced Support Cal King mattress, consider your personal sleep habits, body type, and any specific needs you may have, such as enhanced lumbar support or motion isolation for light sleepers. The transition into summer is an ideal time to refresh your sleep space, as high-quality support can make a noticeable difference in how you recover from busy days and enjoy restful nights. Picture the peace of mind that comes from knowing your mattress is working for you—supporting your spine, cushioning your joints, and helping you drift off effortlessly, even as the days grow longer and the evenings fill with the sounds of summer. Whether you’re upgrading your own bedroom, preparing a welcoming guest space, or giving the gift of restorative sleep to a loved one, an Advanced Support Cal King mattress offers a blend of innovation, comfort, and lasting value that enhances every night’s rest.