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(Top 4) Best "Mini Crib Mattress" Options [Expert Buyer Guide]

What size is a mini crib mattress and where to buy one online.

In this post we have listed our favorite mini crib mattresses (28″x34″) that you can purchase online. Mini crib mattresses are not quite as common as standard size crib mattresses and sorting through them to make sure you are purchasing the correct size can be quite confusing. We have gathered all of our favorite mini crib mattresses in every category from highly breathable, to organic and budget friendly. Our hope is that this post will help to make purchasing a mini crib mattress for your little one clear and easy. 


Top 4: Mini Crib Mattresses

naturepedic-mini crib-mattress

Organic, waterproof and breathable.

PRICE: $279


This mini crib mattress by Naturepedic combines breathability and waterproofing for a safer, healthier and more hygienic crib mattress design. The mattress starts with a firm, flat waterproof surface made from non-GMO sugarcane that is so pure, it actually meets food contact standards and easily wipes clean. This approach protects the inside of the mattress from urine, spit-up, and other messes. Then they added a 3-dimensional cover with a soft organic cotton surface for increased airflow. This unique cover creates a breathable space under the baby which improves temperature regulation and allows the baby to breathe directly through the cover if necessary. The cover also features a waterproof backing which eliminates the need for an additional waterproof pad. Features organic cotton fabric & filling throughout and passes all federal and state flammability standards without any fire retardant chemicals or flame barriers whatsoever. Get all the safety features you need, including breathability, while maintaining a healthier, more hygienic, organic mini crib mattress design.



100% Breathable & Washable, 3-inch thickness and single layer removable cover.

PRICE: $199


Newton is one of the most well known crib mattress companies on the market. Their mini crib mattress is made with the same breathe-through material that their full size crib mattress is made with. Newton is known for their amazingly breathable mattresses as well as its easy to clean capabilities. You can simply put the mattress in a bathtub or under a sink to wash it out. The mattress utilized a woven plastic material instead of a standard foam, making it essentially 90% air. This mattress is a great option for mini crib customers who need the most breathable mattress on the market, that is easy to wash and clean. 



2-sided (infant and toddler sided). Highly breathable mattress.

PRICE: $160


Bloom is originally known for their high quality cribs. They more recently have created crib mattresses as well. Their crib mattresses utilize an organic cotton cover and highly breathable open cell foam. The mattress also is 2-sided providing a firmer side for infants and a sifter more comfortable side for toddlers. At the $260 price point this mattress is a great option for an all around quality mini crib mattress. 


Organic cotton cover. Breathable. 2 sided for infants and toddlers.


This organic dream mini crib mattress has high quality materials at a great price. The open cell foam is breathable while also being coupled with an organic cotton cover for an organic and hypoallergenic sleep surface. The mattress is also dual sided with a firmer side for infants and a softer side for toddlers. The fact that it meets greenguard standards means you can rest easy knowing your little one is not sleeping on any toxic materials. 

What size is a mini crib mattress?

A mini crib mattress measures approximately 24″X38″ and fits a standard “mini crib”. If you are searching for a mini crib mattress then this is the size retailers will be selling.

Are all mini crib mattresses the same size?

There are a variety of different size cribs and bassinets that are smaller than a standard crib. The standard size for a “mini crib mattress” is 24″x38″ and this is the size most mini cribs will come in. Be sure to measure your specific crib as there are lots of manufacturers and some do make their own unique or custom size cribs. 

How long can a baby use a mini crib mattress?

The majority of mini crib mattresses are made to accommodate infants as well as younger toddlers. While a mini crib mattress can certainly accommodate infants and toddlers, it is important to make sure that your child has enough room to comfortable move around in their crib and that they are not able to climb out. 

Things to consider before buying a mini crib mattress.

Before purchasing a mini crib mattress there are a few factors that you may want to consider in order to make sure your purchase meets your needs and and is a worthwhile purchase. Below we have listed some of the main factors to consider when choosing which mini crib mattress is right for you.

Material: Mini crib mattresses are available in a variety of different builds, utilizing different materials. Each has their own benefits. Organic mini crib matts are made with either coconut core or latex and are going to generally be the most expensive options. Budget friendly mattresses will be made with more synthetic materials, such as polyurethane foam. Some mattresses, such as Newton, utilize breathable materials such as woven plastic material in order to make the mattress highly breathable for infants. 

Price: The price of mini crib mattresses can vary from $50 to $500. Higher priced mattresses generally have higher quality materials and are made in the US, while more budget friendly products are usually imported from Asia and incorporate more synthetic foams and fabrics. 

Size: Be sure to measure your crib before purchasing a mattress. While most mini cribs are all the same size, some are unique sizes or have rounded corners. Measuring before buying will ensure you don’t end up with a mattress that you have to return. 

Features to look for in a mini crib mattresses

There are a few main features that buyers of mini crib mattresses look for when choosing which mattress is right for their little one. We have listed some of these main features below:

Breathability: Due to the decrease of SIDS cases when utilizing a breathable sleep platform, many parents choose a crib mattress that is breathable. A breathable crib mattress has foam that has open cells, that let air in and out. They also generally have a cover that allows for air to freely flow through. Many of the mattresses on this list are breathable. 

Organic: An organic mattress is a great way to ensure your child is sleeping in a non-toxic environment. Organic mattresses usually have a cotton cover and utilize coconut fibers or latex inside. 

Dual Stage (2-sided): A dual stage mini crib mattress means that it is 2-sided and has a side for infants and one for toddlers. The infant side is firmer while the toddler side is slightly softer for a more comfortable cushiony sleep. 

Need mini crib mattress accessories?

If you need sheets, comforters, mattress protectors, etc… all of the companies listed above also provide accessories that you can purchase with your mattress. 

Alternative options for purchasing a mini crib mattress?

If you prefer not to purchase your mattress online you can look for custom mattress factories in your area to build you a mattress you can test out before buying. A couple custom mattress manufacturers you can check out in person are:

What to do with your old mattress?

When you purchase a mattress online you are left to find a way to get rid of your old one. Luckily “A Bedder World” has mattress disposal services throughout the country. We work with mattress recycling centers to make sure your old mattress gets disposed of in the most eco-friendly manner possible. To date we have recycled over 500K mattresses. Book a pick up here. Or try recycling it yourself!


Mini crib mattresses are fairly common and there are quite a few high quality and reputable companies providing options. All of the companies listed in this post are companies that we trust and that have great reputations within the sleep community. You can feel confident placing an order with an of them.