Cal King High Density Mattresses

Discover the ultimate in comfort and support with our selection of cal king high density mattresses, designed to transform your sleep experience. Perfect for those seeking a spacious sleep surface without compromising on durability and support, these mattresses provide an ideal balance of firmness and comfort. Whether you're upgrading your master bedroom or outfitting a guest suite, a cal king high density mattress offers ample room to stretch out, ensuring restful nights and rejuvenated mornings. Explore our collection today to find the perfect fit for your sleep needs.

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Beautyrest PressureSmart 2.0 Firm 11" Mattress

Starting at

$1450⁹⁹

$2200⁹⁹

$750 OFF

Firm Comfort, best for

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

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

Beautyrest PressureSmart 2.0 Plush 11.75" Mattress

5746

Starting at

$2300⁹⁹

Plush Comfort, best for

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

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

2526

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

3331

Starting at

$520⁹⁹

$1300⁹⁹

$780 OFF

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

1273

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

Beautyrest BR800 13.5" Plush Pillow Top Mattress

2564

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

3046

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

2057

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

722

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

961

Starting at

$1000⁹⁹

Firm Comfort, best for

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

Beautyrest BR800 13.5" Medium Pillow Top Mattress

1715

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

1637

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

1614

Starting at

$1000⁹⁹

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

29991

Starting at

$1999⁰⁰

Medium Comfort, best for

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

Beautyrest BR800 12" Plush Euro Top Mattress

645

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)

Sealy Essentials Winter Green 12" Medium Euro Top Mattress

596

Starting at

$1380⁹⁹

Medium Comfort, best for

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

Serta Perfect Sleeper Nurture Night 12" Firm Mattress

970

Starting at

$999⁰⁰

Firm Comfort, best for

Back;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)

Beautyrest Silver BRS900 12" Plush Mattress

973

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 Elkins III 11" Plush Euro Top Mattress

1596

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)

Nectar Premier 13" Medium Memory Foam Mattress

179

Starting at

$1099⁰⁰

$1799⁰⁰

$700 OFF

Medium Comfort, best for

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

Serta Perfect Sleeper Elkins III 10" Firm Mattress

1549

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)

Nectar Luxe 14" Medium Memory Foam Mattress

201

Starting at

$1499⁰⁰

$2249⁰⁰

$750 OFF

Medium Comfort, best for

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

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)

Tempur-Pedic TEMPUR-AdaptMattress Topper

8221

Starting at

$399⁰⁰

Medium Comfort,

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

Tulo 11" Medium Firm Cooling Hybrid Mattress

198

Starting at

$1300⁹⁹

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain;Temperature;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)

Cal King High Density Mattresses

When considering a new mattress, few choices offer the spacious comfort and robust support of a Cal King high density mattress. Measuring longer than a standard king, the California King size is a favorite among taller individuals and couples who want room to stretch out without sacrificing bedroom space. High density mattresses in this size are thoughtfully engineered to deliver a firmer, more supportive sleep surface, which can be especially beneficial for those who prefer less sink and more stability throughout the night. As the evenings grow cooler in September and you begin transitioning your bedding for autumn, the solid, dependable feel of a high density mattress can provide the reassuring foundation you need to rest deeply, night after night. These mattresses are often crafted with denser foam or advanced support systems that resist sagging and maintain their shape over time, making them a wise investment for anyone seeking long-term durability and consistent comfort.

For families, a Cal King high density mattress can transform the bedroom into a gathering place for weekend movie marathons or lazy Sunday mornings, with enough space for kids or pets to snuggle in without feeling crowded. If you share your bed with a partner who tosses and turns, the dense construction can help minimize motion transfer, so you’re less likely to be disturbed by movement on the other side of the mattress. High density options are also ideal for guest rooms, providing visitors with a luxurious and supportive sleep experience that rivals the comforts of home. As a thoughtful gift, a Cal King high density mattress makes a lasting impression for newlyweds setting up their first home together, or for parents looking to upgrade their master suite. The generous size and resilient structure are well-suited for anyone who values both personal space and reliable support, whether you’re an athlete recovering from long training sessions, a professional seeking restorative sleep after demanding workdays, or simply someone who appreciates the feeling of sleeping on a mattress that hugs and supports every contour of your body.

When browsing Cal King high density mattresses, it’s important to consider your unique sleep preferences and lifestyle needs. Look for features such as breathable covers to help regulate temperature as the seasons change, or reinforced edge support if you tend to sit or sleep near the edge of the bed. For those with allergies or sensitivities, many high density mattresses are available in hypoallergenic materials that resist dust mites and other common irritants. If you’re exploring additional options for resilient, supportive sleep surfaces, you might also be interested in Cal King Latex Mattresses, which offer a naturally buoyant feel and excellent pressure relief. Whichever high density mattress you choose, investing in the right Cal King model can redefine your nightly routine, turning your bedroom into a sanctuary of comfort and restfulness—just in time for the crisp, cozy nights of fall.