Sanitized Firm Mattresses

Shop Sanitized Firm Mattresses at Mattress Firm to explore firm sleep surfaces in a range of sizes and price points. Compare your options to find the right mattress for your comfort preferences, bedroom setup and budget, then enjoy expert guidance as you make your selection.

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Serta Perfect Sleeper Oasis Sleep 12" Extra Firm Mattress

910

Starting at

$1109⁰⁰

$1399⁰⁰

$290 OFF

Extra Firm Comfort, best for

Back, Stomach Sleepers
Pain
Temperature
Bed Partner
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest Silver BRS900 11.75" Extra Firm Mattress

3302

Starting at

$709⁹⁹

$1699⁹⁹

$990 OFF

Extra Firm Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest BR800 11.25" Firm Mattress

2239

Starting at

$619⁹⁹

$1299⁹⁹

$680 OFF

Firm Comfort, best for

Back, Stomach Sleepers
Toss and Turn
Pain
Bed Partner
Temperature

FREE ADJUSTABLE BASE ³ with code ELEVATE

Tulo Bamboo 12" Medium Plush Green Tea Memory Foam Mattress

5567

Starting at

$329⁹⁹

$789⁹⁹

$460 OFF

Medium Comfort, best for

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

Beautyrest BR800 13.5" Medium Pillow Top Mattress

1868

Starting at

$819⁹⁹

$1499⁹⁹

$680 OFF

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest Silver BRS900-C 13.75" Extra Firm Mattress

1816

Starting at

$599⁹⁹

$1399⁹⁹

$800 OFF

Extra Firm Comfort, best for

Back, Stomach Sleepers
Temperature
Pain
Bed Partner
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Tulo Bamboo 8" Medium Green Tea Memory Foam Mattress

5567

Starting at

$249⁹⁹

$609⁹⁹

$360 OFF

Medium Comfort, best for

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

Beautyrest Silver BRS900 11.75" Medium Firm Mattress

1749

Starting at

$659⁹⁹

$899⁹⁹

$240 OFF

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest BR800 12" Plush Euro Top Mattress

739

Starting at

$569⁹⁹

$1399⁹⁹

$830 OFF

Plush Comfort, best for

Side Sleepers
Toss and Turn
Pain
Bed Partner
Temperature

Tulo Lavender 6" Firm Memory Foam Mattress

217

Starting at

$319⁹⁹

Firm Comfort, best for

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

Beautyrest Silver BRS900 12" Plush Mattress

1147

Starting at

$729⁹⁹

$1699⁹⁹

$970 OFF

Plush Comfort, best for

Side Sleepers
Temperature
Pain
Bed Partner
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Purple RestorePremier Cool Touch 13" Hybrid Mattress

856

Starting at

$3510⁰⁰

$4099⁰⁰

$589 OFF

Medium Comfort, best for

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

$300 ^◇ adjustable base instant gift with purchase.

Beautyrest Silver BRS900-C 14.5" Medium Mattress

795

Starting at

$679⁹⁹

$1599⁹⁹

$920 OFF

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Purple Restore Cool Touch 11.5" Hybrid Mattress

790

Starting at

$3000⁰⁰

$3699⁰⁰

$699 OFF

Medium Comfort, best for

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

$300 ^◇ adjustable base instant gift with purchase.

Beautyrest BR800 Greenwood 10.5" Firm Mattress

3405

Starting at

$1299⁹⁹

Firm Comfort, best for

Back, Stomach Sleepers
Bed Partner
Toss and Turn
Temperature
Pain

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest BR800 11.5" Medium Firm Mattress

3152

Starting at

$589⁹⁹

$1299⁹⁹

$710 OFF

Medium Comfort, best for

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

Purple Restore 11.5" Firm Hybrid Mattress

843

Starting at

$2700⁰⁰

$3399⁰⁰

$699 OFF

Firm Comfort, best for

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

Sealy Frisco 2.0 Firm Mattress

388

Starting at

$539⁹⁹

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sealy Frisco 2.1 Firm Mattress

388

Starting at

$539⁹⁹

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sealy Frisco 1.1 Firm Mattress

Starting at

$539⁹⁹

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature

FREE ADJUSTABLE BASE ³ with code ELEVATE

Kingsdown Wesley 15.5" Firm Mattress

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.

Tulo Green Tea 6" Firm Mattress

Starting at

$719⁹⁹

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sleepy's Deluxe Comfort Cool Mattress Protector

4229

Starting at

$129⁹⁹

Temperature
Allergies

Save $150 when you bundle¹⁰.

Beautyrest PressureSmart 2.0 Firm 11" Mattress

Starting at

$750⁰⁰

$1499⁹⁹

$750 OFF

Firm Comfort, best for

Back, Stomach Sleepers
Temperature
Bed Partner
Pain
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sleepy's Basic Memory Foam Firm Mattress

3233

Starting at

$179⁷⁷

$599⁹⁹

$420 OFF

Firm Comfort, best for

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

Sleepy's Signature Total Encasement Mattress Protector

1004

Starting at

$159⁹⁹

Temperature

Sanitized firm mattresses offer a supportive sleep surface with added attention to cleanliness, making them a practical choice for sleepers who prefer a stable feel and a fresh, comfortable place to rest. Firm mattresses are designed to provide resilient support and limited sinkage, which can appeal to back and stomach sleepers, couples with different comfort preferences or anyone who enjoys a more supportive sleep surface. Explore firm mattresses made with breathable foams, individually wrapped coils and durable upholstery, then look for options with removable, washable covers or materials treated to help maintain a cleaner sleep environment. Mattress Firm carries a wide selection of firm mattresses in twin, queen and king sizes, including mattresses from trusted brands and convenient mattress-in-a-box options. Regular care can help your sanitized firm mattress stay fresh and comfortable for years. Use a properly fitted mattress protector to help guard against sweat, spills, dust and everyday buildup, and follow the manufacturer’s cleaning instructions to protect the mattress materials and warranty. Rotate the mattress if the manufacturer recommends it, keep bedding laundered and allow the sleep surface to air out during routine sheet changes. Shoppers comparing sanitized firm mattresses should also consider mattress construction, edge support, cooling features, motion isolation, size and sleep position to find the right balance of cleanliness, comfort and long-lasting support. With the right mattress protector and care routine, a firm mattress can help create a more inviting sleep space and better zzz's.

What are sanitized firm mattresses? + -

Sanitized firm mattresses combine a supportive firm feel with materials or treatments designed to promote a cleaner sleep surface. They are available in a range of mattress constructions, including innerspring, foam and hybrid designs.

How do sanitized firm mattresses differ from standard firm mattresses? + -

Both offer a firmer feel, but sanitized firm mattresses include an added sanitizing treatment or feature as part of their design. Review each mattress description to learn more about its specific materials and care recommendations.

What materials are used in sanitized firm mattresses? + -

Sanitized firm mattresses may include steel coils, memory foam, latex or other comfort and support layers. The exact materials vary by mattress, so check the product details for a complete construction overview.

How can I care for a sanitized firm mattress? + -

Follow the care instructions provided with your mattress. Using a compatible mattress protector, rotating the mattress when recommended and keeping the sleep surface clean can help maintain its condition.

What bedroom styles pair well with sanitized firm mattresses? + -

Sanitized firm mattresses work well with many bedroom styles, from modern and minimalist to classic and transitional. Pair one with a coordinating bed frame, sheets and bedding to create a comfortable, cohesive look.