Presidents Day Firm King Mattresses

Find the right balance of support and comfort with Presidents Day Firm King Mattresses at Mattress Firm. Explore king-size options in a firm feel to help create a more restful sleep space, with choices for a range of sleep preferences and budgets. Start shopping today to find a mattress that fits your bedroom and your routine.

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Beautyrest PressureSmart 2.0 Firm 11" Mattress

Starting at

$1099⁹⁹

$2199⁹⁹

$1100 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

3213

Starting at

$299⁷⁷

$999⁹⁹

$700 OFF

Firm Comfort, best for

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

Sleepy's Basic Innerspring Firm Mattress

8676

Starting at

$249⁹⁹

Firm Comfort, best for

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

Sleepy's Rest Firm 2.0 Innerspring Mattress

7001

Starting at

$449⁹⁹

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

Sleepy's Basic Foam Mattress

1412

Starting at

$649⁹⁹

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Temperature
Bed Partner
Toss and Turn

Beautyrest BR800 11.25" Firm Mattress

2233

Starting at

$1299⁹⁹

Firm Comfort, best for

Back, Stomach Sleepers
Toss and Turn
Pain
Bed Partner
Temperature

FREE ADJUSTABLE BASE ³ with code ELEVATE

Stearns & Foster Estate 14.5" Firm Mattress

1809

Starting at

$2799⁰⁰

$3099⁰⁰

$300 OFF

Firm Comfort, best for

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

Receive $300 Instant Gift⁴ with purchase.

Sealy Essentials Sudley 8.5" Firm Mattress

989

Starting at

$499⁹⁹

$999⁹⁹

$500 OFF

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Temperature
Bed Partner
Toss and Turn

Serta Perfect Sleeper Nurture Night 12" Firm Mattress

1186

Starting at

$999⁰⁰

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Tulo Bamboo 6" Firm Green Tea Memory Foam Mattress

5558

Starting at

$259⁹⁹

$729⁹⁹

$470 OFF

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

FREE ADJUSTABLE BASE ³ with code ELEVATE

Nectar Classic 12" Firm Memory Foam Mattress

231

Starting at

$899⁰⁰

$1399⁰⁰

$500 OFF

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

Sealy Essentials Spruce 5.5" Firm Mattress

1371

Starting at

$549⁹⁹

$949⁹⁹

$400 OFF

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Temperature
Bed Partner
Toss and Turn

Tempur-Pedic TEMPUR-ProAdapt 2.0 12" Firm Mattress

4992

Starting at

$3799⁰⁰

$4199⁰⁰

$400 OFF

Firm Comfort, best for

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

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

Beautyrest Black Series Three 15" Firm Mattress

2224

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.

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

Tempur-Pedic TEMPUR-LuxeAdapt 2.0 13" Firm Mattress

1449

Starting at

$5099⁰⁰

$5599⁰⁰

$500 OFF

Firm Comfort, best for

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

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

Presidents Day is a smart time to explore firm king mattresses designed to provide a supportive, spacious sleep surface for couples and individuals who prefer a more stable feel. A firm king mattress can help promote even weight distribution and a steady sleep experience, while the generous king size gives each sleeper more room to stretch out. Mattress Firm offers firm king mattresses in a variety of materials, including innerspring, hybrid and memory foam options, so you can compare comfort, support and features to find the right fit for your bedroom and sleep style. Presidents Day mattress may make it easier to upgrade to a firm king mattress at a value that fits your budget. As you compare firm king beds, consider your preferred firmness, sleeping position, pressure relief needs and the type of support you want from your mattress. A supportive mattress paired with the right foundation, pillows and bedding can help create a more comfortable sleep setup, making Presidents Day an ideal opportunity to shop king mattresses and get better zzz's for less.

What is a firm mattress? + -

A firm mattress has a more solid, supportive feel with less cushioning and sink than a medium or plush mattress. Its comfort can vary based on the materials, construction and individual preferences.

What materials are commonly used in firm mattresses? + -

Firm mattresses may feature innersprings, foam, memory foam, latex or hybrid constructions. Each material can influence the mattress’s feel, support and surface comfort.

How do firm mattresses differ from plush mattresses? + -

Firm mattresses typically have a more solid surface and less initial sink. Plush mattresses generally include more cushioning for a softer, more contouring feel.

What should I look for in a Presidents Day firm mattress? + -

Consider the mattress construction, firmness level, comfort layers and support system. It can also help to compare features from trusted mattress brands and choose a feel that matches your sleep preferences.

How can I style a firm mattress in the bedroom? + -

Pair a firm mattress with bedding that complements its feel, such as breathable sheets, a supportive pillow and a comforter or quilt. A coordinated bed frame and accessories can complete the look.