Choosing a crib mattress might not be as fun as selecting adorable nursery décor, but it’s one of the most important purchases you’ll make for your little one’s room. There are many options to consider before you buythe type of the mattress, waterproof versus breathable, organic versus conventionalbut as long as your purchase meets Health Canada’s guidelines for thickness and fit (more on that below), you really can’t make a bad callSo take a deep breath, parents-to-be—this decision is easier than you think, and we’re here to help. 

What kind of crib mattress are you looking for?

Best Innerspring Crib Mattress

best innerspring crib mattress, Dream on Me 150 Ultra Coil

With 150 durable steel coils at its core, this lightweight mattress offers even firmness and support, and features two hypoallergenic layers for comfort. It’s also antibacterial, and the waterproof lock-stitched binding prevents mould, mildew and odours from setting up shop. This standard size baby mattress is Greenguard Gold certified for its low chemical emissions and made without flame retardants. Bonus: the reinforced outer wrap can be wiped clean with mild soap and warm water so accidents don’t require hours of cleanup and no one misses too many zzz’s 

  • This mattress features airflow pockets and is breathable. 
  • The manufacturer recommends flipping and rotating the mattress every two to three months, but at just over 12 pounds, this isn’t too difficult. It also comes with a 10-year manufacturer warranty. 
  • This pick is certified by the Juvenile Products Manufacturing Association and meets or exceeds low emissions and non-toxicity standards for multiple organizations. 

The Draw

Love this mattress. High quality, great price. My grandbaby loves it too. Safe and comfy!

–Nancy, Walmart customer

The Downside

I think this is a good quality mattress. Firm but not to the point of being uncomfortable. It is a good bit thicker than other mattresses, and the sheets I had from my old mattress would not fit on this one…

–littlecart, Walmart customer

Best Foam Crib Mattress

best foam crib mattress in Canada, Graco Deluxe Foam Crib & Toddler Mattress

This durable mattress, made from high-quality, breathable foam and designed to fit standard cribs and toddler beds, has a firm mattress surface for safe sleep. It also features a water-resistant, removeable and washable cover, making it a snap to deal with diaper leaks, spit-up and more (you can wash it by hand or toss it into the washing machine!). This mattress comes compressed for easy-carrying convenience, but is ideally unrolled soon after purchasing and well before use.  

  • Greenguard Gold certified, this antimicrobial mattress is free of phthalates, lead and mercury, and meets or exceeds the requirements for a number of international safety certifications.  
  • The mattress’s waterresistant cover is included as a separate piece. Simply pull it on once the mattress is fully inflated 
  • Some parents complain that the mattress retains a smell after unrolling and can take some time to air out. 

The Draw

absolutely love this mattress. We had a vinyl mattress before and it was so noisy [that] the second we laid our daughter down, she would wake up. She loves this one and sleeps all night on it. It unrolled perfectly and I couldn’t be happier with the quality. It fits snugly in her toddler bed. It is firm but not overly so. Highly recommend.

–Miranda, Walmart customer

The Downside

This mattress did not expand to the width it was supposed to. The corners came out to 3.5 inches and the middle was 4.25 inches. It’s supposed to come out to 6 [inches] all around. Overall I’m disappointed with the outcome of expansion but the comfort is good.

–Haley, Walmart customer

Best Dual-Sided Crib Mattress

best double-sided crib mattress in Canada, Slumber Baby Ace 2-in-1

Dual, aka double-sidedmattresses save money in the long run One side is extra firm for baby, while the other side is softer for toddler, so you can continue using it as your babe transitions from crib to bed. This lightweight, specialty foam pick is hypoallergenic and antibacterial, and features a waterproof cover that easily wipes clean with a little soap and water (a must-have with little ones!). 

  • This product is Greenguard Gold certified, meeting or exceeding the requirements for low emissions and non-toxicity. 
  • The waterproof binding is great for spills and messes but it also locks out dust mites and other potential skin irritants. 
  • Some parent reviewers are concerned the baby side is too firm, but Health Canada does recommend a firm mattress for babies under a year old.  

The Draw

We were wanting a memory foam mattress for our newborn. This was priced great! Great product for the money paid! Snug fit in the crib.

–Lckynumbr9, Walmart customer

The Downside

It is not as comfortable as I had hoped, but it works.

–SouthernMissy, Walmart customer

Best Mini Crib Mattress

best mini crib mattress in Canada, Dream on Me 2-in-1

For use with a portable or mini crib, this high-density foam mattress offers all of the benefits of standard size mattress in a smaller format. This option is dual-sided, with a breathable material on the baby side and a waterproof cover and lock-stitch seamsto keep leaky, messy situations away from the mattress’s core—for toddler. It’s also Greenguard Gold certified, so you know you’re investing in a healthy sleeping environment for your little one. 

  • This mattress has been laboratory tested for vapour and water permeability, so you can be sure the airflow claims deliver. 
  • When messes happen, all it takes is a little soap and water to deal with the situation and get your babe back to sleep. 
  • Portable or mini crib options are great for visiting grandparents, friends and family.  

The Draw

Great mini crib mattress for the price. Love that the infant side is breathable and the toddler side is waterproof.

–Jess, Walmart customer

The Downside

Perfect for travel with a pack ‘n’ play. I wish it was a little bit thicker, but it works well.

–AK, Walmart customer

Best Organic Crib Mattress

best organic crib mattress in Canada, Simmons Naturally Safer Organic Rest

Made with organic cottongrown without the use of chemicals or pesticidesand a thermo-bonded recycled polyester core, this mattress is awesomely double-sidedOne side is extra-firm, for use with infants, while the flip side offers a slightly cushier sleep for toddlers older than a year. At just 12 pounds, it’s lightweight for easy sheet changes, and the certified organic cotton cover is waterstain and tear resistant 

  • This mattress is free of phthalates and PVC (which is a chemical polymer often found in plastic) and does not off-gas. 
  • Because cotton is naturally breathable, this is mattress is a great all-weather choice—cool in the summer, cosy in the winter. 
  • Some parents have noticed that the mattress moulds to their baby’s form and causes an indent, which can become a safety issue, but the mattress comes with a lifetime warranty if you encounter issues.

The Draw

This mattress has gone through three kidsthe best investment ever!! I highly recommend this mattress to everyone.

–Trudy_23, Walmart customer

The Downside

My baby started using this crib mattress at three months old (she was sleeping in a bassinet in our room for her first few months). After one month of use, we started noticing she was sleeping in an indent. We tried moving her to different spots but she always wiggles to the hole.

–BrookeF123456, Walmart customer

Best Waterproof Crib Mattress

best waterproof crib mattress in Canada, Sealy Baby Ultra Rest Antibacterial

Anyone experienced with kids knows that waterproofing is essential for easy clean-up, but this mattress goes one better. With 204 durable steel coils at its core, this model features a reinforced cover made from hospital-grade antibacterial material to prevent germs from spreading, while lock-stitched waterproof binding protects the mattress from mould, mildew, odours and more 

  • Combined with added safety measures, like an anti-sagging system to keep the middle of the mattress supported, you and your baby will both be comfortable with this choice. 
  • Just like an adult mattress, this one features upgraded steel sides to reduce saggingas well as double layers of hypoallergenic cushioning. 
  • This standard size option is Greenguard Gold certified to ensure a healthy sleeping environment; it also meets or exceeds tests for flammability, lead, phthalate and other chemicals. 

The Draw

This is one of the best mattresses that I have ever purchased. Super firm, waterproof, fits the crib snuggly and handles all the jumping that my girls do several times a day in their cribs.

–Mothertomany, Walmart customer

The Downside

Unfortunately this mattress was not right for my baby. My baby was so hot and would wake up so sweaty.

–Holly27, Walmart customer

Best Stain-Resistant Crib Mattress

best stain-resistant crib mattress in Canada, Dream on Me Flora 132-Premium Coil Innerspring

A waterproof mattress can prevent stains from penetrating. This lightweight, antibacterial option delivers with lock-stitched binding and a surface that wipes clean with just mild soap and warm water. This option also offers even support and comfort with 132 coils at its core, a protective polyurethane wrap and a hypoallergenic insulating layer. Add Greenguard Gold certification for low emissions and non-toxicity and this mattress ticks so many boxes. 

  • At just over 12 pounds, this mattress is easy to lift and flip when changing crib sheets. It is also reported to fit snugly in a standard size crib. 
  • With a steel border around the mattress perimeterthere is optimal edge support to prevent the mattress from sagging. 
  • While this mattress does have a waterproof cover, some parents say it isn’t as loud as some of the other waterproofing options out there. 

The Draw

I am very pleased with how firm this mattress is, and that it has square corners and rigid edges so there are no gaps. It also has a wipeable surface but isn’t loud like the cheaper plastic ones are.

–Anonymous, Walmart customer

The Downside

I bought this mattress thinking it was 27 [inches] wide but got it and realized it’s 28. The mattress is very firm for the price and good for newborns so I’m pretty bummed out about the size issue.

–astites06, Walmart customer

More Crib and Baby Mattress Products

Your Questions, Answered

What size crib mattress should I buy?  

The best crib mattress for your family is the one that safely fits your baby’s crib or toddler’s bed frame. Crib and mini crib mattresses don’t always come in the standard sizeso it’s important to measure your existing or intended crib so you can be sure the mattress will fit snugly 

Standard crib mattresses measure around 51 ⅝ to 53 inches long and 27 ¼ to 28 inches wideMini cribs are much smaller, usually coming in around 34 inches long and 24 inches wide. Just like cribs, some toddler beds come in standard crib sizes and some don’t, so once again, better crack out that measuring tape. 

Although the length and width of baby mattresses can vary, thickness is regulated by Health Canada. Crib mattresses must be six inches thick or less, while cradle and bassinet mattresses can be up to one-and-a-half inches thick.[1] Health Canada recommends you check that the mattress is firm and ensure it fits tightly into the crib, with no more than an inch and three sixteenths (or three centimetres) between the mattress edge and the inside crib frame.[2]

What types of crib mattresses are available?  

  • Innerspring: Durable innerspring mattresses feature a core of thick metal coils surrounded by cushiony upholstery. Pricier and heavier than other options, they have the best edge support and are the least likely to sag at the sides. 
  • Foam: Polyurethane foam mattresses are lighter and less expensive than their counterparts. Look for the firmest model possible—ideally you want something that quickly regains its shape after being pressed down. 
  • Dual-sided mattresses: Firm on one side for baby, and slightly softer on the other side for toddler, dual or double-sided mattresses are meant to last through your little one’s early years. 

What crib mattress features should I look for?  

All mattresses need to follow Health Canada’s guidelines for fit and firmness. Beyond that, here are some other features you may wish to look for: 

  • Breathable: Some crib mattresses include airflow pockets that boost air circulation in and around the mattress. Because they prioritize air flow, they are also good for babies who sleep hot. Because they don’t have plastic covers, breathable mattresses are typically not waterproof, so you might want to skip airflow technology if you’re concerned about leaky diapers. 
  • Antibacterialantimicrobial or hypoallergenic: Hypoallergenic mattresses are tightly woven from natural, breathable materials such as cotton, bamboo, silk or wool. They’re designed to resist dust mites and prevent mould and mildew by dispersing moisture.[3] They may also be treated with an antimicrobial or antibacterial cover to prevent harmful germs from taking up residence. 
  • Waterproof: protective waterproof layer makes easy for easy cleaning of late-night diaper leaksplus the plastic barrier prevents water from seeping into the core of the mattress where mould and bacteria can grow. Waterproofingwhether it’s part of the mattress or courtesy of a removable pad—helps keep your mattress stain free. This is important if you’re passing the mattress down from one baby to the next, or if you’re buying a reversible mattress and plan to get several years use out of it. 
  • Greenguard certified: The Greenguard Environmental Institute is a reputable third-party group that rigorously tests products for harmful toxins. There are two certification levels: Greenguard, which ensures the product meets strict emissions limits, and the more stringent Greenguard Gold that also considers safety factors for sensitive individuals, including children. 
  • Organic: Organic mattresses are made with organic materials and without synthetic chemicals. If you’re in the market for an organic mattress, look for certification from a reputable agency such as the Global Organic Textile Standard.

Article Sources

  1. Health Canada. Cribs, cradles and bassinets. 
  2. Government of Canada, Consumer Product Safety. Is Your Child Safe? Sleep Time.  
  3. Sleep Foundation. Best Mattress for Allergies. 

How we choose products: Simply put, we don’t recommend any products we wouldn’t buy ourselves. Our writers leverage a number of sources as a starting point, including reputable third-party reviews, Walmart.ca user reviews, and Walmart Canada’s category specialists. theHUB editorial staff has final say for all products included in this guide. 

Any product claims noted are provided by the manufacturer, unless otherwise stated. 

Prices shown are subject to change. Please check Walmart.ca for the latest pricing. 

This article is intended as general information. To be sure a product is right for you, always be sure to read and follow the label(s)/instruction(s) that accompany your product(s). Walmart will not be responsible for any injury or damage caused by this activity.

Katie Dupuis is a writer and editor in Toronto, and mom to two little girls. She is the managing director of Chick & Owl Design Co. and editor-in-chief of ParentsCanada. When she's not working, she's baking, reading or binge-watching TV.