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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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!

Beautyrest PressureSmart 2.0 Plush 11.75" Mattress

4666

Starting at

$2050⁹⁹

Plush Comfort, best for

Side Sleepers
Pain
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

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!

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 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)

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 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!

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!

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)

Beautyrest Silver BRS900 11.75" Medium Firm Mattress

1384

Starting at

$1000⁹⁹

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)

Beautyrest BR800 12" Plush Euro Top Mattress

569

Starting at

$636⁹⁹

$1400⁹⁹

$764 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)

Sealy Essentials Winter Green 12" Medium Euro Top Mattress

542

Starting at

$621⁹⁹

$1380⁹⁹

$759 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain
Allergies
Temperature

72 hour sale ends Monday!

Beautyrest Silver BRS900 12" Plush Mattress

698

Starting at

$730⁹⁹

$1700⁹⁹

$970 OFF

Plush Comfort, best for

Side 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)

Serta Perfect Sleeper Elkins III 11" Plush Euro Top Mattress

1582

Starting at

$576⁹⁹

$1200⁹⁹

$624 OFF

Plush Comfort, best for

Side Sleepers
Pain
Temperature
Toss and Turn

72 hour sale ends Monday!

Nectar Premier 13" Medium Memory Foam Mattress

115

Starting at

$1099⁰⁰

$1799⁰⁰

$700 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain
Bed Partner
Temperature

Serta Perfect Sleeper Elkins III 10" Firm Mattress

1512

Starting at

$512⁹⁹

$1200⁹⁹

$688 OFF

Firm Comfort, best for

Back;Stomach Sleepers
Pain
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

129

Starting at

$1499⁰⁰

$2249⁰⁰

$750 OFF

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain
Bed Partner
Temperature

Tulo 12" Medium Firm Cooling Hybrid Mattress

134

Starting at

$567⁹⁹

$1450⁹⁹

$883 OFF

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)

Tulo 10" Medium Cooling Hybrid Mattress

114

Starting at

$437⁹⁹

$1250⁹⁹

$813 OFF

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)

Tempur-Pedic TEMPUR-AdaptMattress Topper

6906

Starting at

$399⁰⁰

Medium Comfort,

Temperature
Allergies

Tulo 11" Medium Firm Cooling Hybrid Mattress

196

Starting at

$492⁹⁹

$1300⁹⁹

$808 OFF

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)

Pressuresmart MF 15" Plush Euro Top Mattress

Starting at

$2100⁹⁹

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)

Sealy Essentials Winter Green 12" Plush Euro Top Mattress

345

Starting at

$621⁹⁹

$1380⁹⁹

$759 OFF

Plush Comfort, best for

Side Sleepers
Pain
Allergies
Temperature

72 hour sale ends Monday!

Cal King High Density Mattresses

Choosing a Cal King high density mattress is an investment in restorative sleep and lasting comfort, especially as the days grow warmer and nights stretch out during the summer months. High density mattresses are crafted with advanced materials that offer exceptional support, making them a popular choice for anyone seeking a firmer, more resilient sleep surface. The Cal King size, with its extra length, is particularly well-suited for taller individuals or couples who appreciate the added space to stretch out and unwind. Imagine ending a sun-filled June day by sinking into a mattress that gently cradles your body, supporting every curve and joint, while maintaining a cool and comfortable feel throughout the night. High density foams are engineered to minimize motion transfer, so restless sleepers or those sharing a bed with a partner or pet can enjoy uninterrupted rest. This durability also means these mattresses maintain their shape and support for years, resisting the sagging or indentations that can develop in lower density options.

These mattresses are often favored by those who experience back pain or need extra lumbar support, as the dense materials provide a stable foundation that helps align the spine. For individuals who prefer a more substantial, supportive feel, or for families with young children who might occasionally pile into bed for weekend movie nights, the Cal King high density mattress offers both space and strength. They are also a thoughtful gift for newlyweds setting up their first home, parents upgrading their master bedroom, or graduates moving into a new apartment—anyone embarking on a new chapter where restful sleep is a priority. During the summer, high density mattresses can be paired with breathable bedding to create a cool, inviting oasis from the heat. The dense foam construction not only supports but also adapts to the body’s shape, reducing pressure points and allowing muscles to fully relax. For those who value longevity, these mattresses are a practical choice, as their robust build ensures comfort and support for many seasons to come.

When considering a Cal King high density mattress, it’s important to think about your unique sleep habits and preferences. Side sleepers may appreciate the way high density foam cushions shoulders and hips, while back and stomach sleepers benefit from the consistent support that keeps the spine aligned. If you’re exploring other sizes or want to compare features, you may also be interested in our selection of High Density King Mattresses, which offer similar benefits in a slightly different dimension. Whether you’re outfitting a spacious master suite, preparing a guest room for summer visitors, or simply upgrading your sleep experience, the right high density mattress can transform your nightly routine. With their blend of comfort, durability, and support, Cal King high density mattresses are a timeless choice for anyone who values deep, restorative sleep and lasting quality.