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Extra Firm Crib Mattresses

Classica I Foam Crib Mattress ss_pt1917813
Product Features
  • Triple layer nylon reinforced vinyl cover; hypoallergenic foam; cloth binding; eyelet vents
  • Extra firm foam as recommended for babies by most medical experts

Classica I Foam Crib Mattress

by Colgate

$149.99 $210.95
Free Shipping & 2-Day Delivery
  (30)
Baby Posturepedic Crib Mattress ss_pt1917813
Product Features
  • Mini Fleur laminate
  • All-around border rods for side, corner and edge support

Baby Posturepedic Crib Mattress

by Sealy

$114.99 $155.00
Free Shipping
  (125)
Sale
Baby Firm Rest Crib & Toddler Bed Mattress ss_pt1917813
Product Features
  • All-around steel border rods for side, corner and edge support
  • Reinforced vinyl laminate cover resists stains and moisture

Baby Firm Rest Crib & Toddler Bed Mattress

by Sealy

$89.99 $141.00
Free Shipping
  (161)
Free Gift
Eco Classica III Dual Firmness Foam Crib Mattress ss_pt1917813
Product Features
  • Crib mattress
  • Cover sold separately
  • Infant toddler Dual Firmness offers very firm support for infants and greater comfort for toddlers

Eco Classica III Dual Firmness Foam Crib Mattress

by Colgate

$197.99 $219.99
Free Shipping
  (33)
Perfect Rest Crib and Toddler Bed Mattress ss_pt1917813
Product Features
  • Materials: Polyester fiber batting, vinyl laminate, steel
  • Heat-tempered for strength and durability

Perfect Rest Crib and Toddler Bed Mattress

by Sealy

$84.99 $93.49
Free Shipping
  (56)
Pure Sleep Therapeutic 150 Crib and Toddler Bed Mattress ss_pt1917813
Product Features
  • Thick hypoallergenic all-around border wire keeps the sides and corners firm just like an adult mattress
  • Firm non allergenic sleeping surface

Pure Sleep Therapeutic 150 Crib and Toddler Bed Mattress

by Kolcraft

$61.95 $69.99
Free Shipping
  (109)
ss_pt1917813
Product Features
  • Dual Firmness, Hypolallergenic, Eco-Friendly, Waterproof Mattress
  • Naturally fire resistant without the use of harsh chemicals or additives

Little Dreamer All Foam Crib Mattress

by Moonlight Slumber

$186.99
Free Shipping
  (30)
ss_pt1917813
Product Features
  • Mattress
  • 9 Gauge border rod for added side strength and support
  • Flex-edge clips add safety to two side-edge

Organic Cotton 2 in 1 Orthopedic Crib Mattress

by L.A. Baby

$149.99 $173.00
Free Shipping & 2-Day Delivery
  (7)
ss_pt1917813
Product Features
  • Damask cloth sleep surface cover with waterproof backing; ecologically friendlier hypo-allergenic polyurethane foam made with plant oils

Shades Of Green EcoClassica I Crib Mattress

by Colgate

$168.79 $189.99
Free Shipping & 2-Day Delivery
  (9)
ss_pt1917813
Product Features
  • High quality dual firmness infant / toddler innerspring crib mattress

2 'N' 1 Innerspring Crib Mattress

by Colgate

$163.99 $179.99
Free Shipping & 2-Day Delivery
  (9)
ss_pt1917813
Product Features
  • Support: Firm
  • Steel bars distribute baby's weight evenly over the entire surface of the mattress
  • Mattress also fits toddler bed frames

Posturepedic Crown Jewel Luxury Firm Mattress

by Sealy

$169.99 $186.99
Free Shipping
  (17)
Sale
ss_pt1917813
Product Features
  • Portable crib mattress
  • Rounded edges for Graco Play Yard
  • Hypoallergenic
  • Anti-bacterial

Extra Firm 3" Playard Mattress

by Dream On Me

$49.00 $56.81
Free Shipping & 2-Day Delivery
  (32)
ss_pt1917813
Product Features
  • Orthopedic extra firm foam crib mattress
  • Feature a silver and white design washable, non-allergenic, waterproof, antibacterial cover

Orthopedic Extra Firm Foam Crib Mattress

by Dream On Me

$70.95 $81.64
Free Shipping & 2-Day Delivery
  (5)
ss_pt1917813
Product Features
  • Five-ply nylon reinforced vinyl cover; waterproof damask cloth cover; hypo-allergenic polyurethane foam; hypo-allergenic viscoelastic memory foam

Visco-Classica Dual Firmness Foam Crib Mattress With Memory Foam

by Colgate

$221.99 $252.29
Free Shipping
  (4)
ss_pt1917813
Product Features
  • Dual Firmness, Hypolallergenic, Eco-Friendly, Waterproof Mattress

Starlight Support Supreme All Foam Crib Mattress

by Moonlight Slumber

$317.90 $349.99
Free Shipping
  (1)
ss_pt1917813
Product Features
  • Foam baby mattress
  • Insulator pad with two cushioning layers of foam
  • Triple laminated reinforced antibacterial cover
  • Brass eyelet vents

Convoluted Foam Crib Mattress

by Dream On Me

$109.95 $116.78
Free Shipping
  (5)
ss_pt1917813
Product Features
  • Vinyl, polyethylene, PVC and phthalates free
  • Fire retardant additive free and lead free
  • Designed to meet and exceed advanced health, safety and comfort standards

All Foam Round Crib Mattress

by Moonlight Slumber

$313.99 $349.99
Free Shipping
ss_pt1917813
Product Features
  • Six inch crib mattress consists of four inches of extra firm memory foam and two inches of elastic memory foam
  • Cloth border binding

Visco Foam Crib Mattress

by Dream On Me

$136.51 $164.32
Free Shipping
  (3)
ss_pt1917813
Product Features
  • High density CertiPUR-US certified soy foam core for extra firm support
  • CertiPUR-US certifiedMemory foam for toddler’s comfort

2 in 1 Memory Soy Foam Core Extra Firm with Jacquard Cover

by L.A. Baby

$114.95 $158.10
Free Shipping
Sale
ss_pt1917813
Product Features
  • 204 premium steel coil system that creates ultimate firmness
  • Enhanced with border wire along the edges for support

Cotton Cozy Rest 2-Stage 5.5" Crib Mattress

by Sealy

$129.99 $142.99
Free Shipping
ss_pt1917813
Product Features
  • Crib mattress
  • Certified organic cotton cover
  • Waterproof backing on cover

Eco Spring 2-n-1 Dual Firmness Crib Mattress

by Colgate

$227.25 $299.99
Free Shipping
  (1)
ss_pt1917813
Product Features
  • Crib mattress
  • Certified organic cotton cover
  • Waterproof backing on cover
  • High quality and extra firm

Eco Classica I Organic Cotton Foam Crib Mattress

by Colgate

$249.99
Free Shipping
  (1)
ss_pt1917813
Product Features
  • Thick replaces petroleum based oils with oils from renewable and sustainable non-food type plants
  • Square corners provide a snug fit in all American cribs and toddler beds

Postura Dual Firmness Eco-Memory Foam Crib Mattress

by Colgate

$257.99 $259.99
Free Shipping
ss_pt1917813
Product Features
  • Orthopedic mattress offers comfort for your baby with gentle yet firm support
  • Reversible with one soft side and one firm side

Big Oshi 5.8" Orthopedic Mattress

by Baby Time International, Inc.

$79.99 $99.99
Free Shipping
  (3)
Sale
ss_pt1917813
Product Features
  • Ultra-firm high density soybean foam-core
  • A protective cotton-based wrapped encircles the entire mattress for safety and comfort

Soybean Natural Dream 5" Crib Mattress

by Sealy

$149.99 $164.99
Free Shipping
ss_pt1917813
Product Features
  • 75 count pocketed innerspring mattress with Dual Firmness, Hypolallergenic, Eco-Friendly, and Waterproof

Starlight Support Supreme Innerspring Crib Mattress

by Moonlight Slumber

$317.99 $349.99
Free Shipping
ss_pt1917813
Product Features
  • 150 gauge, interlocking steel coils
  • 6 gauge border wire for strength and durability, comfort and support

Convoluted Orthopedic Foam Innerspring Crib Mattress

by Dream On Me

$124.95 $134.99
Free Shipping
  (5)
Sale
ss_pt1917813
Product Features
  • The thick 1.5 lb. high-density soybean foam-core is firm enough for infants yet comfy for toddlers

Soybean EverEdge 5" Crib Mattress

by Sealy

$169.99 $186.99
Free Shipping
ss_pt1917813
Product Features
  • Standard size orthopedic style six inch thick dual firmness lightweight foam crib mattress fits all standard size cribs and toddler beds

Shades Of Green EcoVisco Classica Crib Mattress

by Colgate

$309.99
Free Shipping
  (1)
ss_pt1917813
Product Features
  • Carbon tempered steel; coir fiber; ecologically friendlier foam; cotton batting; bamboo yarn sleep sleep surface cover with waterproof backing
  • Comfort provided by two cushioning layers

Shades Of Green EcoSpring Diploma Crib Mattress

by Colgate

$278.99 $279.99
Free Shipping
ss_pt1917813
Product Features
  • 150 coil spring core
  • Triple laminated, non allergenic and antibacterial layer
  • Nano-Tex waterproof and fire proof cover

Visco-Pedic Innerspring Crib Mattress

by Dream On Me

$159.99 $179.49
Free Shipping
  (1)
ss_pt1917813
Product Features
  • 182 heavy duty 15.5-gauge steel coil inner spring for maximum durability
  • 9-gauge border rod for extra strength and support

Organic Baby Essentials VI 5.75" Crib Mattres with Quilted Organic ...

by L.A. Baby

$147.99 $189.31
Out of Stock
ss_pt1917813
Product Features
  • 182 heavy duty 15.5-gauge steel coil inner springs for maximum durability
  • 9 gauge border rod for extra strength and support (the lower the gauge the thicker the steel)

Organic Baby Essentials V 5.75" Crib Mattress with Savannah Print O...

by L.A. Baby

$139.99 $179.82
Out of Stock
ss_pt1917813
Product Features
  • Quilted vinyl cover
  • Beautiful vinyl quilted cover wipes clean easily even after the worst accidents and spills

Extra Firm Quilted Crib Mattress

by Eclipse Perfection Rest

$119.95 $139.00
Out of Stock
ss_pt1917813
Product Features
  • Lightweight to ensure easy sheet changing plus it has a snug safe fit
  • Toddler and day beds

Natural Light 6" Mini Crib Mattress

by L.A. Baby

$88.53 $101.20
Out of Stock



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Featured Reviews
Portable Crib / Mini Crib Mattress Portable Crib / Mini Crib Mattress
 5 stars
I ordered these for the Tian Portable Convertible cribs we had ordered, and they fit perfectly. Very happy with the purchase.
- Ann in Carmel, CA

Medi-Organic Medical Grade 2 in 1 Mattress Medi-Organic Medical Grade 2 in 1 Mattress
 5 stars
Great Mattress. 2 yr old loves it! Comfortable and very strong.
- candis in Killeen, TX

The Sleepwell Mattress 53 Series Crib Mattress The Sleepwell Mattress 53 Series Crib Mattress
 5 stars
Perfect for a newborn. Arrived in perfect condition great mattress
- Mark in Madeira Beach, FL

Dream Way I Crib Mattress Dream Way I Crib Mattress
 5 stars
love the thickness of the mattress and the height it gives with the crib on the highest height level.
- Alex in Hayes, VA

5" Thick Round Crib Mattress 5" Thick Round Crib Mattress
 5 stars
Very happy with this mattress, it perfectly fits our baby girl's round crib
- stella in loma linda, CA

Pure Sleep Therapeutic 150 Crib and Toddler Bed Mattress Pure Sleep Therapeutic 150 Crib and Toddler Bed Mattress
 4 stars
I bought this for my 7 month old baby after doing some research for a few days. I love the quality of this mattress once I received it and my baby sleeps very soundly on it. I also love how the
- Tricia in The Colony, TX

5" Foam Crib and Toddler Bed Mattress 5" Foam Crib and Toddler Bed Mattress
 4 stars
It seems to be a good firm mattress. I probably would go with a softer one but its good from the orthopedic point of view. The only thing i dont like is that it has plastic waterproof fild all around
- Viktoriia in Port Saint Lucie, FL

Naturally Organic III Triple Zone 2 in 1 with Organic Cotton Cover Naturally Organic III Triple Zone 2 in 1 with Organic Cotton Cover
 5 stars
Again was very pleased with high quality product,fast delivery too
- Lisa in Panama City, Fl 32404

Baby Bears Crib Mattress Baby Bears Crib Mattress
 5 stars
I love that the mattress is water resistant and no need to buy extra pads for wetness.
- monica in NEW ORLEANS, LA

Dream On Me Twilight 5” 80 Coil Spring Crib and Toddler Bed Mattress Dream On Me Twilight 5” 80 Coil Spring Crib and Toddler Bed Mattress
 5 stars
It's perfect for my grandsons bed, he loves the firmness.
- Anne in Whispering Pines, NC

Sleepy Baby Orthopedic Crib Mattress Sleepy Baby Orthopedic Crib Mattress
 4 stars
Fits perfect in our crib feels so soft but yet firm enough for babies good sleep. We haven't used it yet but look forward to it!
- Ashley in Enfield, CT

No-Compromise Lightweight Classic 2-Stage Crib Mattress No-Compromise Lightweight Classic 2-Stage Crib Mattress
 5 stars
Great mattress! My little one is 21 months old now, and I have had no issues! Love that it is organic, felt very safe for my baby. It is so lightweight, it makes changing the sheets so easy! Highly
- TJ in Jacksonville Beach, FL

4" Thick Round Crib Mattress 4" Thick Round Crib Mattress
 5 stars
Fits the Sophia Posh Crib perfectly! Our little guy loves it! :-)
- Jan in Murray, UT

3" Firm Portable Mattress 3" Firm Portable Mattress
 5 stars
We purchased the Dream On portable folding crib that came with a one inch mattress that was not very firm. One of the reviews suggested getting a different mattress. This one is perfect.
- Laurie in Havertown, PA

Cradletyme Naturals EcoFoam Supreme Damask Cloth Crib Mattress Cradletyme Naturals EcoFoam Supreme Damask Cloth Crib Mattress
 5 stars
This is a good one! It fits pretty well as recommended.
- Knev in Atlanta, GA

Athena 96 Coil Mattress Athena 96 Coil Mattress
 4 stars
I like this mattress, good quality and happy with it.
- Fatima in Dearborn, MI

Show more reviews
Extra Firm Crib Mattresses
If you're looking for Crib Mattresses for sale online, Wayfair.com has a zillion options sure to satisfy the pickiest shopper. We have a myriad of styles of Crib Mattresses, and if you want to narrow your options to something more specific than your current filter of "Extra Firm," such as finding Crib Mattresses by brands like Sealy or Dream On Me, just use the filters on the left. And remember, we offer free shipping on just about every order over $49.00, so buy Crib Mattresses today and have them shipped free.
Read more
Buying Guides
Baby Crib Mattress Buying Guide
Once you've picked out your perfect crib, your next step is a crib mattress. There are several things to consider, especially the safety of your baby. This guide provides information on how to choose a mattress in the correct size for your crib.
Crib mattresses are available in two basic types: classic innerspring and more modern foam.  Learn what you need to know to choose a durable and high quality mattress that is hypoallergenic, antimicrobial, or organic. To keep the crib mattress clean, look for waterproof binding and purchase a washable mattress protector.
Show More

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