Best Firm Memory Foam Mattress of 2025

Looking for the best firm memory foam mattress to provide you with the support and comfort you need for a restful night's sleep? Look no further! Our carefully curated list features top-rated firm memory foam mattresses, ranked based on user reviews. Whether you prefer a firmer sleeping surface to alleviate back pain or simply enjoy the support of memory foam, our selection offers a range of options to suit your individual needs. Say goodbye to tossing and turning and hello to a rejuvenating night's sleep with one of these highly rated firm memory foam mattresses.

What to look for in the best firm memory foam mattress

Choosing the right firm memory foam mattress can significantly improve your sleep quality. Here are some factors to consider when making your decision.

1. Density

The density of a memory foam mattress affects its comfort and durability. High-density foams are more durable and provide better support, but they can also be more expensive.

2. Firmness Level

While all mattresses in this category will be firm, there is still variation within that range. Consider your sleeping position and personal comfort preferences when choosing the level of firmness.

3. Heat Retention

Memory foam is known for retaining heat, which can make a mattress feel too warm for some people. Look for options with cooling technology if this is a concern for you.

4. Hypoallergenic Properties

Memory foam mattresses are often hypoallergenic, resisting dust mites and other allergens. If you have allergies or asthma, this can be an important factor.

Sleepy's Basic Memory Foam Firm Mattress

A firm, full-size memory foam mattress with adjustable base, motion isolation, and temperature regulation.

2690

Firm Comfort, best for

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

Starting at

$240⁷⁷

$800⁹⁹

$560 OFF

72 hour sale ends Monday!

Serta Perfect Sleeper Nurture Night 12" Firm Mattress

A firm king-size mattress with zoned comfort, pressure relief, and cooling gel memory foam.

968

Firm Comfort, best for

Back;Stomach Sleepers
Pain;Bed Partner;Temperature;Toss and Turn;Toss and Turn
Bed Partner
Temperature

Starting at

$999⁰⁰

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Sleepy's By Sealy Memory Foam Firm Mattress

A firm memory foam mattress offering pressure relief and motion isolation, conveniently boxed for easy setup.

2690

Firm Comfort, best for

Back;Stomach Sleepers
Pain;Bed Partner;Toss and Turn
Bed Partner
Toss and Turn

Starting at

$1350⁹⁹

FREE ADJUSTABLE BASE ³ up to 499 value with code ELEVATE (must add base to cart)

Beautyrest Black Series Two 14.25" Firm Mattress

A breathable, pressure-relieving, and firm full-size mattress in black with memory foam material.

302

Firm Comfort, best for

Back;Stomach Sleepers
Pain;Bed Partner;Temperature;Toss and Turn
Bed Partner
Temperature

Starting at

$2829⁰⁰

$300 ⁶ adjustable base instant gift with purchase.

Kingsdown Crown Imperial 15" Firm Mattress

A luxurious handcrafted firm mattress with motion separation, pressure relief, and breathable materials for a restful sleep.

Firm Comfort, best for

Back;Stomach Sleepers
Pain;Bed Partner;Temperature;Toss and Turn;Toss and Turn
Bed Partner
Temperature

Starting at

$4699⁰⁰

FREE ADJUSTABLE BASE ³ up to 499 value with code ELEVATE (must add base to cart)

Serta Perfect Sleeper Sleep Excellence Firm Mattress

A breathable, pressure-relieving, firm memory foam mattress with adjustable base compatibility and QuiltLoft upgrade.

237

Firm Comfort, best for

Back;Stomach Sleepers
Pain;Toss and Turn;Pain;Temperature;Bed Partner
Toss and Turn
Pain

Starting at

$1100⁹⁹

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

Serta Perfect Sleeper Elkins III 10" Firm Mattress

A Firm king-size mattress with contouring coil system for pressure relief and back support.

1547

Firm Comfort, best for

Back;Stomach Sleepers
Pain;Temperature;Toss and Turn;Bed Partner
Temperature
Toss and Turn

Starting at

$1200⁹⁹

FREE ADJUSTABLE BASE ³ up to 499 value with code ELEVATE (must add base to cart)

Serta Perfect Sleeper Pacific Peace 12" Hybrid Firm Mattress

A breathable, pressure-relieving, and firm twin XL mattress with a 3 zoned coil design and memory foam material.

221

Firm Comfort, best for

Back;Stomach Sleepers
Pain;Bed Partner;Temperature;Toss and Turn;Toss and Turn
Bed Partner
Temperature

Starting at

$949⁰⁰

FREE ADJUSTABLE BASE ³ up to 499 value with code ELEVATE (must add base to cart)

Nectar Classic 12" Firm Memory Foam Mattress

A firm twin XL memory foam mattress with motion separation, pressure relief, and breathable fabric.

161

Firm Comfort, best for

Back;Stomach Sleepers
Pain;Bed Partner;Temperature;Toss and Turn
Bed Partner
Temperature

Starting at

$549⁰⁰

$899⁰⁰

$350 OFF

Sleepy's By Sealy Hybrid HD Firm Mattress

A firm hybrid mattress with ViscoBoost HD memory foam and individually wrapped coils for enhanced support.

370

Firm Comfort, best for

Back;Stomach Sleepers
Pain;Toss and Turn;Temperature;Bed Partner
Toss and Turn
Temperature

Starting at

$1050⁹⁹

$2100⁹⁹

$1050 OFF

FREE ADJUSTABLE BASE ³ up to $499 value with code ELEVATE (must add base to cart)

What are the benefits of a firm memory foam mattress? + -

A firm memory foam mattress provides excellent support for your spine, helps maintain proper alignment, and reduces pressure points. It is ideal for back and stomach sleepers who need a stable surface to prevent sinking.

How does a firm memory foam mattress differ from a soft one? + -

A firm memory foam mattress offers more support and less sinkage compared to a soft one. This makes it better suited for individuals who prefer sleeping on their back or stomach, while a soft mattress is often preferred by side sleepers who need more cushioning.

Can a firm memory foam mattress help with back pain? + -

Yes, a firm memory foam mattress can help alleviate back pain by providing the necessary support to keep your spine aligned. The firmness prevents your body from sinking too deeply, which can reduce strain on your lower back.

Do firm memory foam mattresses sleep hot? + -

Modern firm memory foam mattresses often incorporate cooling technologies such as gel-infused foam or breathable covers to help regulate temperature and prevent overheating during the night.

How long does a firm memory foam mattress typically last? + -

A high-quality firm memory foam mattress can last between seven to ten years with proper care. Its durability depends on factors like the density of the foam, usage, and maintenance practices.

Best Firm Memory Foam Mattress of 2025

What to look for in the best firm memory foam mattress

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