Largest Mattress

Discover the ultimate in spacious comfort with our selection of the Largest Mattress options available. Perfect for those who value extra room to stretch out or share their bed, these oversized mattresses offer an expansive sleep surface for a restful night. Whether you’re outfitting a master bedroom or creating a luxurious guest suite, explore our collection to find the ideal fit for your space and sleep preferences. Experience more comfort and freedom with the Largest Mattress choices at Mattress Firm.

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Basic Memory Foam Firm Mattress

Sleepy's Basic Memory Foam Firm Mattress

Starting at

Firm Comfort, best for

Back;Stomach Sleepers
Pain
Support
Temperature

Basic Innerspring Firm Mattress

Sleepy's Basic Innerspring Firm Mattress

Starting at

Firm Comfort, best for

Back;Stomach Sleepers
Pain

By Sealy Medium Euro Top Mattress

Sleepy's By Sealy Medium Euro Top Mattress

Starting at

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain
Temperature
Bed Partner

Queen mattress & base now $499 with code ELEVATE (must add base to cart)

Perfect Sleeper Charlotte 2.0 Medium Euro Top Mattress

Serta Perfect Sleeper Charlotte 2.0 Medium Euro Top Mattress

Starting at

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain
Toss and Turn
Pain

Greenwood 10.5" Firm Mattress

Beautyrest Greenwood 10.5" Firm Mattress

Starting at

Firm Comfort, best for

Back;Stomach Sleepers
Pain
Toss and Turn

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

Perfect Sleeper Sleep Excellence Medium PillowTop Mattress

Serta Perfect Sleeper Sleep Excellence Medium PillowTop Mattress

Starting at

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain
Toss and Turn
Pain

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

BR800 13.5" Plush Pillow Top Mattress

Beautyrest BR800 13.5" Plush Pillow Top Mattress

Starting at

Plush Comfort, best for

Side Sleepers
Toss and Turn
Pain
Bed Partner

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

BR800 11.25" Firm Mattress

Beautyrest BR800 11.25" Firm Mattress

Starting at

Firm Comfort, best for

Back;Stomach Sleepers
Toss and Turn
Pain
Bed Partner

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

Perfect Sleeper Sleep Excellence Plush Mattress

Serta Perfect Sleeper Sleep Excellence Plush Mattress

Starting at

Plush Comfort, best for

Side Sleepers
Pain
Toss and Turn
Pain

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

Essentials Sudley 8.5" Firm Mattress

Sealy Essentials Sudley 8.5" Firm Mattress

Starting at

Firm Comfort, best for

Back;Stomach Sleepers
Pain

Bamboo 10" Medium Plush Green Tea Memory Foam Mattress

Tulo Bamboo 10" Medium Plush Green Tea Memory Foam Mattress

Starting at

Medium Comfort, best for

Back;Side;Stomach Sleepers
Toss and Turn
Pain
Temperature

BR800 13.5" Medium Pillow Top Mattress

Beautyrest BR800 13.5" Medium Pillow Top Mattress

Starting at

Medium Comfort, best for

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

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

Lavender 10" Medium Plush Memory Foam Mattress

Tulo Lavender 10" Medium Plush Memory Foam Mattress

Starting at

Medium Comfort, best for

Back;Side;Stomach Sleepers
Toss and Turn
Pain
Temperature

Silver BRS900 11.75" Medium Firm Mattress

Beautyrest Silver BRS900 11.75" Medium Firm Mattress

Starting at

Medium Comfort, best for

Back;Side;Stomach Sleepers
Bed Partner
Pain
Temperature

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

Original Mattress

Purple Original Mattress

Starting at

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain
Temperature
Allergies

Essentials Winter Green 13" Plush Euro Pillow Top Mattress

Sealy Essentials Winter Green 13" Plush Euro Pillow Top Mattress

Starting at

Plush Comfort, best for

Side Sleepers
Pain
Allergies
Temperature

BR800 12" Plush Euro Top Mattress

Beautyrest BR800 12" Plush Euro Top Mattress

Starting at

Plush Comfort, best for

Side Sleepers
Toss and Turn
Pain
Bed Partner

Lux Estate Elite 16" Medium Euro Pillow Top Mattress

Stearns & Foster Lux Estate Elite 16" Medium Euro Pillow Top Mattress

Starting at

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain
Bed Partner
Temperature

Receive $300 Instant Gift⁴ with purchase.

Essentials Winter Green 12" Medium Euro Top Mattress

Sealy Essentials Winter Green 12" Medium Euro Top Mattress

Starting at

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain
Allergies
Temperature

By Sealy Premium Memory Foam Mattress

Sleepy's By Sealy Premium Memory Foam Mattress

Starting at

Medium Comfort, best for

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

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

Perfect Sleeper Nurture Night 13.5" Medium Mattress

Serta Perfect Sleeper Nurture Night 13.5" Medium Mattress

Starting at

Medium Comfort, best for

Back;Side;Stomach Sleepers
Pain
Bed Partner
Temperature

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

Perfect Sleeper Oasis Sleep 12" Extra Firm Mattress

Serta Perfect Sleeper Oasis Sleep 12" Extra Firm Mattress

Starting at

Extra Firm Comfort, best for

Back;Stomach Sleepers
Pain
Bed Partner
Temperature

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

MF 15" Plush Euro Top Mattress

Pressuresmart MF 15" Plush Euro Top Mattress

Starting at

Plush Comfort, best for

Side Sleepers
Pain
Bed Partner
Temperature

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

Essentials Winter Green 12" Plush Euro Top Mattress

Sealy Essentials Winter Green 12" Plush Euro Top Mattress

Starting at

Plush Comfort, best for

Side Sleepers
Pain
Allergies
Temperature

Essentials Spruce 5.5" Firm Mattress

Sealy Essentials Spruce 5.5" Firm Mattress

Starting at

Firm Comfort, best for

Back;Stomach Sleepers
Pain

Perfect Sleeper Midsummer Nights 11" Plush Eurotop Mattress

Serta Perfect Sleeper Midsummer Nights 11" Plush Eurotop Mattress

Starting at

Plush Comfort, best for

Side Sleepers
Pain
Bed Partner
Temperature

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

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Signature Total Defense Mattress Protector

Sleepy's Signature Total Defense Mattress Protector

Starting at

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Signature Adjustable Base

Sleepy's Signature Adjustable Base

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Deluxe Comfort Cool Mattress Protector

Sleepy's Deluxe Comfort Cool Mattress Protector

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Starting at

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