California King Size Black Mattresses

Find California King Size Black Mattresses at Mattress Firm to bring a bold, polished look to your bedroom. Explore options in a spacious California king size and choose a style that complements your space, preferences and sleep setup.

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Beautyrest Black Series Two 16.25" Plush Pillow Top Mattress

294

Starting at

$3699⁰⁰

$4099⁰⁰

$400 OFF

Plush Comfort, best for

Side Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

$300 ⁶ adjustable base instant gift with purchase.

Beautyrest Black Series Two 16.5" Medium Pillow Top Mattress

295

Starting at

$3699⁰⁰

$4099⁰⁰

$400 OFF

Medium Comfort, best for

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

$300 ⁶ adjustable base instant gift with purchase.

Beautyrest Black Series Three 15.25" Medium Mattress

2298

Starting at

$4199⁰⁰

$4799⁰⁰

$600 OFF

Medium Comfort, best for

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

$300 ⁶ adjustable base instant gift with purchase.

Beautyrest Black Series Three 15" Firm Mattress

2242

Starting at

$4199⁰⁰

$4799⁰⁰

$600 OFF

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

$300 ⁶ adjustable base instant gift with purchase.

Beautyrest Black Series Three 16.75" Plush Pillow Top Mattress

1463

Starting at

$4599⁰⁰

$5199⁰⁰

$600 OFF

Plush Comfort, best for

Side Sleepers
Bed Partner
Pain
Temperature
Toss and Turn

$300 ⁶ adjustable base instant gift with purchase.

Beautyrest Black Series Two 15.5" Medium Mattress

516

Starting at

$3499⁰⁰

$3899⁰⁰

$400 OFF

Medium Comfort, best for

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

$300 ⁶ adjustable base instant gift with purchase.

Beautyrest Black Series Three 16.25" Medium Pillow Top Mattress

471

Starting at

$4599⁰⁰

$5199⁰⁰

$600 OFF

Medium Comfort, best for

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

$300 ⁶ adjustable base instant gift with purchase.

Beautyrest Black Series One 13.5" Extra Firm Mattress

701

Starting at

$2499⁰⁰

$2899⁰⁰

$400 OFF

Extra Firm Comfort, best for

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

$300 ⁶ adjustable base instant gift with purchase.

Beautyrest Black Series One 14.25" Medium Mattress

445

Starting at

$2799⁰⁰

$3199⁰⁰

$400 OFF

Medium Comfort, best for

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

$300 ⁶ adjustable base instant gift with purchase.

Beautyrest Black Series Two 14.25" Firm Mattress

358

Starting at

$3499⁰⁰

$3899⁰⁰

$400 OFF

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

$300 ⁶ adjustable base instant gift with purchase.

Beautyrest Black Series One 14.75" Medium Pillow Top Mattress

334

Starting at

$3099⁰⁰

$3499⁰⁰

$400 OFF

Medium Comfort, best for

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

$300 ⁶ adjustable base instant gift with purchase.

Beautyrest Black Series Three 16.5" Firm Pillow Top Mattress

297

Starting at

$4599⁰⁰

$5199⁰⁰

$600 OFF

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

$300 ⁶ adjustable base instant gift with purchase.

Beautyrest Black Series Three 14.25" Extra Firm Mattress

286

Starting at

$4199⁰⁰

$4799⁰⁰

$600 OFF

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

$300 ⁶ adjustable base instant gift with purchase.

Beautyrest Black Series One 14.5" Plush Pillow Top Mattress

282

Starting at

$3099⁰⁰

$3499⁰⁰

$400 OFF

Plush Comfort, best for

Side Sleepers
Pain
Temperature
Allergies
Bed Partner
Toss and Turn

$300 ⁶ adjustable base instant gift with purchase.

Beautyrest Black Series One 14.25" Firm Pillow Top Mattress

256

Starting at

$3099⁰⁰

$3499⁰⁰

$400 OFF

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

$300 ⁶ adjustable base instant gift with purchase.

Beautyrest Black Series One 14" Plush Mattress

251

Starting at

$2799⁰⁰

$3199⁰⁰

$400 OFF

Plush Comfort, best for

Side Sleepers
Pain
Temperature
Allergies
Bed Partner
Toss and Turn

$300 ⁶ adjustable base instant gift with purchase.

A California King size black mattress combines expansive sleeping space with a bold, modern look that can anchor a bedroom’s design. Measuring approximately 72 inches wide by 84 inches long, a California King mattress gives couples extra length and plenty of room to stretch out, making it a practical choice for taller sleepers, spacious primary bedrooms and anyone who values generous personal space. Black mattresses can complement contemporary, industrial, minimalist and luxury-inspired décor, while dark upholstery and streamlined details create a polished foundation for your bed frame, bedding and bedroom furniture. Explore California King size black mattresses in a variety of comfort styles, including memory foam, innerspring, hybrid and TEMPUR-Material™ options, to find the support and feel that help you get better zzz's. Shopping for a California King black mattress makes it easier to match your sleep needs with the right combination of pressure relief, support and temperature management. Memory foam can provide contouring comfort for hips and shoulders, while innerspring and hybrid mattresses may offer responsive support, airflow and easier movement across the sleep surface. Consider your preferred firmness, sleeping position, body type and whether you share the bed with a partner before selecting your mattress. Pair your California King mattress with a compatible California King bed frame, foundation, sheets and mattress protector for a coordinated setup, and visit Mattress Firm to compare trusted brands, shop online or find a store with help from Sleep Experts®. We make sleep easy™ with flexible ways to find a comfortable black California King mattress for your bedroom.

What makes a black mattress different from other mattresses? + -

A black mattress features dark-colored upholstery or a black cover, creating a bold, modern look. Its appearance does not determine the mattress feel, so you can choose from options designed for different comfort preferences and support needs.

What bedroom styles pair well with a black mattress? + -

Black mattresses complement modern, industrial, minimalist and contemporary bedrooms. Pair one with neutral bedding for a balanced look or add lighter tones and textured layers for contrast.

What mattress materials are available in black designs? + -

Black mattresses may be made with materials such as memory foam, innerspring coils, hybrid comfort layers or latex. Each construction offers a different feel, so consider whether you prefer contouring comfort, responsive support or a blend of both.

How can I coordinate bedding with a black mattress? + -

White, gray, beige and other neutral bedding create a clean contrast with a black mattress. Jewel tones, muted colors and patterned layers can add personality while keeping the room cohesive.

How should I care for a black mattress? + -

Follow the care instructions provided with your mattress. Keep the cover clean according to its label, use compatible bedding and rotate the mattress only if the manufacturer recommends it.