Best Full-Size Memory Foam Mattresses of 2026

Find the best full-size memory foam mattress for comfortable, supportive sleep. This guide ranks top-rated options based on user review ratings, with helpful details on comfort, pressure relief, motion isolation and overall value. Whether you sleep alone or share your bed, explore full-size mattresses designed to help you get better zzz's for restful nights.

What to look for in full-size memory foam mattresses

The best full-size memory foam mattress for you can offer the right balance of comfort, support and value for your sleep needs.

1. Firmness And Feel

Memory foam mattresses are available in a range of firmness levels, from plush to firm. Consider your preferred sleep feel and how well the mattress supports your body and keeps your spine aligned.

2. Pressure Relief

Look for memory foam that contours to your body to help relieve pressure around your shoulders, hips and lower back. This can be especially important for side sleepers or anyone who prefers a more cushioned feel.

3. Motion Isolation

Memory foam is known for absorbing movement, which can help reduce sleep disruptions when sharing a full-size mattress. Consider a design with strong motion isolation if you or your sleep partner frequently change positions during the night.

4. Cooling Features

Some memory foam mattresses can retain heat, so look for breathable covers, cooling fibers or temperature-regulating materials if you tend to sleep warm. A ventilated foam design may also promote better airflow throughout the night.

Sleepy's By Sealy Memory Foam Medium Mattress

A Sleepy's by Sealy Memory Foam Medium Mattress with Gel memory foam for pressure relief and cool-to-touch cover.

3511

Medium Comfort, best for

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

Starting at

$779⁹⁹

FREE ADJUSTABLE BASE ³ with code ELEVATE

Sleepy's Basic Memory Foam Firm Mattress

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

3239

Firm Comfort, best for

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

Starting at

$239⁷⁷

$799⁹⁹

$560 OFF

Serta Perfect Sleeper Sleep Excellence Medium PillowTop Mattress

A breathable, pressure-relieving memory foam mattress with medium comfort and adjustable base compatibility.

1443

Medium Comfort, best for

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

Starting at

$1579⁹⁹

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest Silver BRS900 11.75" Extra Firm Mattress

A breathable, silver extra firm full mattress with Gel Memory Foam Lumbar Support and DualCool Technology.

3306

Extra Firm Comfort, best for

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

Starting at

$1359⁹⁹

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest BR800 11.25" Firm Mattress

A firm full-size mattress with Beautyrest Pocketed Coil springs, DualCool Technology, and Gel Memory Foam Lumbar Support.

2242

Firm Comfort, best for

Back, Stomach Sleepers
Toss and Turn
Pain
Bed Partner
Temperature

Starting at

$959⁹⁹

FREE ADJUSTABLE BASE ³ with code ELEVATE

Stearns & Foster Estate 14.5" Firm Mattress

A luxurious, handcrafted full-size mattress with motion separation, pressure relief, and a cool-to-the-touch cover.

1829

Firm Comfort, best for

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

Starting at

$2149⁰⁰

$2449⁰⁰

$300 OFF

Receive $300 Instant Gift⁴ with purchase.

Beautyrest Silver BRS900-C 13.75" Extra Firm Mattress

A breathable, silver full mattress with extra firm comfort, pressure relief, and adjustable base compatibility.

1816

Extra Firm Comfort, best for

Back, Stomach Sleepers
Temperature
Pain
Bed Partner
Toss and Turn

Starting at

$1559⁹⁹

FREE ADJUSTABLE BASE ³ with code ELEVATE

Beautyrest Silver BRS900 11.75" Medium Firm Mattress

A medium firm full mattress with 900 pocketed coils, Gel Memory Foam Lumbar Support, and DualCool Technology.

1753

Medium Comfort, best for

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

Starting at

$849⁹⁹

FREE ADJUSTABLE BASE ³ with code ELEVATE

Serta Perfect Sleeper Nurture Night 12" Firm Mattress

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

1194

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

Starting at

$679⁰⁰

FREE ADJUSTABLE BASE ³ with code ELEVATE

Nectar Classic 12" Firm Memory Foam Mattress

A firm, 12" memory foam mattress with motion separation, pressure relief, and breathable fabric.

233

Firm Comfort, best for

Back, Stomach Sleepers
Pain
Bed Partner
Temperature
Toss and Turn

Starting at

$599⁰⁰

$949⁰⁰

$350 OFF

What is a memory foam mattress made of? + -

A memory foam mattress typically includes one or more layers of viscoelastic foam over a supportive foam base. The materials and layer arrangement can vary by model, so check the product details for information about its construction.

How does memory foam differ from other mattress materials? + -

Memory foam is a dense, contouring material designed to respond to pressure and movement. Innerspring mattresses use coils for support, while latex mattresses are made with latex foam that has a different feel and responsiveness.

What firmness should I choose for a memory foam mattress? + -

Firmness is a personal preference influenced by your usual sleep position, body type and preferred feel. Side sleepers often explore softer options, while back and stomach sleepers may prefer a firmer surface.

How do I care for a memory foam mattress? + -

Use a mattress protector, rotate the mattress according to the manufacturer's instructions and keep it on a properly supported foundation. Avoid folding or bending it unless the care instructions specifically allow it.

Can I use a memory foam mattress with an adjustable base? + -

Many memory foam mattresses are compatible with adjustable bases, but compatibility varies by model. Review the manufacturer's specifications before pairing the mattress with an adjustable foundation.