King Antimicrobial Mattresses

Explore king antimicrobial mattresses at Mattress Firm to find a sleep solution that fits your space, comfort preferences and bedtime routine. Compare available options and shop for the king mattress that helps you create a more inviting place to rest.

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Sleepy's Deluxe Comfort Cool Mattress Protector

4179

Starting at

$169⁹⁹

Temperature
Allergies

Save $150 when you bundle¹⁰.

Beautyrest Silver BRS900 11.75" Extra Firm Mattress

3296

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

2233

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

Sleepy's 3" Gel Memory Foam Mattress Topper

396

Starting at

$189⁹⁹

$269⁹⁹

$80 OFF

Medium Comfort,

Temperature

Tulo Bamboo 10" Medium Green Tea Memory Foam Mattress

5555

Starting at

$379⁹⁹

$889⁹⁹

$510 OFF

Medium Comfort, best for

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

Tulo Bamboo 12" Medium Plush Green Tea Memory Foam Mattress

5555

Starting at

$429⁹⁹

$1019⁹⁹

$590 OFF

Medium Comfort, best for

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

Beautyrest BR800 13.5" Medium Pillow Top Mattress

1863

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

1810

Starting at

$859⁹⁹

$1999⁹⁹

$1140 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

5555

Starting at

$329⁹⁹

$809⁹⁹

$480 OFF

Medium Comfort, best for

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

Beautyrest Silver BRS900 11.75" Medium Firm Mattress

1745

Starting at

$809⁹⁹

$1099⁹⁹

$290 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

735

Starting at

$569⁹⁹

$1399⁹⁹

$830 OFF

Plush Comfort, best for

Side Sleepers
Toss and Turn
Pain
Bed Partner
Temperature

Tulo Bamboo 6" Firm Green Tea Memory Foam Mattress

5558

Starting at

$729⁹⁹

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest Silver BRS900 12" Plush Mattress

1140

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

Nectar Premier 13" Medium Memory Foam Mattress

486

Starting at

$1099⁰⁰

$1799⁰⁰

$700 OFF

Medium Comfort, best for

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

Allerease Ultimate Mattress Protector

337

Starting at

$49⁹⁹

Temperature
Allergies

Tempur-Pedic TEMPUR-ProAdapt 2.0 12" Medium Hybrid Mattress

5970

Starting at

$3799⁰⁰

$4199⁰⁰

$400 OFF

Medium Comfort, best for

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

Receive $300 Instant Gift⁴ with purchase + Calm app 3-month free trial

Purple RestorePlus 13" Firm Hybrid Mattress

1667

Starting at

$3600⁰⁰

$4399⁰⁰

$799 OFF

Firm Comfort, best for

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

Purple Restore 11.5" Soft Hybrid Mattress

1662

Starting at

$2700⁰⁰

$3399⁰⁰

$699 OFF

Plush Comfort, best for

Side Sleepers
Pain
Allergies
Bed Partner
Toss and Turn
Temperature

Purple RestorePlus Cool Touch 13" Hybrid Mattress

997

Starting at

$3900⁰⁰

$4699⁰⁰

$799 OFF

Medium Comfort, best for

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

$300 ^◇ adjustable base instant gift with purchase.

Purple RestorePremier Cool Touch 13" Hybrid Mattress

849

Starting at

$4700⁰⁰

$5499⁰⁰

$799 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

791

Starting at

$859⁹⁹

$1999⁹⁹

$1140 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

782

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 Black Series Two 15.5" Medium Mattress

513

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 BR800 Greenwood 10.5" Firm Mattress

3404

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 Greenwood 11.5" Medium Firm Mattress

3223

Starting at

$1299⁹⁹

Medium Comfort, best for

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

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest BR800 11.5" Medium Firm Mattress

3145

Starting at

$589⁹⁹

$1299⁹⁹

$710 OFF

Medium Comfort, best for

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

King antimicrobial mattresses combine the spacious comfort of a king size mattress with materials or treatments designed to help inhibit the growth of odor-causing microbes on the mattress surface. This added feature can support a fresher-feeling sleep environment, especially for couples who share a bed and want more room to stretch out. Shop king antimicrobial mattresses in a range of comfort styles, including memory foam, innerspring and hybrid designs, to find the right balance of pressure relief, support and temperature control. Features such as breathable covers, gel-infused foam, individually wrapped coils and reinforced edge support can make a difference in how comfortable your mattress feels night after night. Finding the best king antimicrobial mattress starts with choosing the firmness and construction that match your sleep position and personal preferences. Side sleepers may appreciate cushioning memory foam that contours around the shoulders and hips, while back and stomach sleepers often prefer a more supportive, responsive feel that helps promote neutral spinal alignment. Look for clear product details about the antimicrobial treatment, cover materials, cleaning instructions and warranty before making a purchase. Pairing a king mattress with breathable bedding, a supportive foundation and regular care can help maintain a clean, comfortable sleep space and make it easier to get better zzz's.

What is an antimicrobial mattress? + -

An antimicrobial mattress is designed with materials or treatments intended to help inhibit the growth of certain microorganisms on the mattress surface. Features vary by model, so review the product details to learn more.

What materials are commonly used in antimicrobial mattresses? + -

Antimicrobial mattresses may include treated fabric covers, breathable foams, innerspring systems or hybrid constructions. The exact materials depend on the mattress design.

How should you care for an antimicrobial mattress? + -

Follow the manufacturer's care instructions. In general, use a compatible mattress protector, keep bedding clean and allow the mattress surface to air out when changing sheets.

Do antimicrobial mattresses come in different comfort feels? + -

Yes. Antimicrobial mattresses may be available in comfort feels ranging from plush to firm, with options designed for different sleep preferences.

How do antimicrobial mattresses fit into a bedroom setup? + -

An antimicrobial mattress can be paired with a compatible foundation, adjustable base or platform bed. Choose bedroom furniture that supports the mattress according to the manufacturer's recommendations.