To help you select the best mini crib mattress for you and your baby, we’ve turned to reviews from real customers on Amazon who have purchased and used these products for themselves. These best-selling items not only have near-perfect ratings, but they also have countless glowing reviews describing why they’re so great.
Read on for the best mini crib mattresses on the market.
Our Editor’s Best Mini Crib Mattress Reviews
Delta Children Serta SleepTrue Mini Crib Mattress, Premium Sustainably Sourced Fiber Core, Hypoallergenic & Waterproof Cover, Greenguard Gold Certified – Made in USA, White

Key Features:
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This is a mini crib mattress that is designed to fit most mini cribs and portable cribs. The mattress measures 38″L x 24″W x 4″H. It is important to measure your crib first to ensure a perfect fit. The mattress may take up to 72 hours to fully expand.
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The mini crib mattress is a firm mattress made from recycled materials. It is free from harmful chemicals and is safe for your baby.
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The mini crib mattress has a waterproof design that is easy to clean with a durable, waterproof vinyl cover. The cover is hypoallergenic and wipes clean.
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This mini crib mattress is certified by GREENGUARD Gold, which means it has low chemical emissions and is safe for environments. It also meets or exceeds flammability, lead, phthalate and CPSIA testing, and does not contain toxic fire retardants.
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The mini crib mattress is from a trusted brand that offers a 10 year warranty.
Bundle of Dreams Flagship 5″ Organic 2 Stage Mini Crib Mattress, Organic, Breathable, Hypoallergenic, for Portable Cribs

Key Features:
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The mini crib mattress is a dual comfort mattress with a firmer side for infants and a softer side for toddlers.
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The shopper should know that this mini crib mattress is breathable and will help to regulate the baby’s body temperature.
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The mini crib mattress has a clean, organic cover that is removable and washable.
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The mini crib mattress is water-repellent, so it will keep your baby dry and comfortable.
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The shopper should know that this mini crib mattress is eco friendly and does not emit any harmful emissions. It is also recyclable.
Newton Baby Mini Crib Mattress 24″ x 38″ – 100% Breathable Proven to Reduce Suffocation Risk, 100% Washable – Removable Cover Included, GREENGUARD Gold

Key Features:
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The shopper is looking at a mini crib mattress that is 38 inches by 24 inches by 3 inches. This mattress is the mini-crib version of a top-rated breathable mattress.
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This mini crib mattress is 100% breathable, meaning that your baby can breathe right through it, reducing the risk of suffocation and CO2 rebreathing.
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The mattress is made without any foam, glue, latex, or springs, and is 100% recyclable. It is also hypoallergenic and can be washed from cover to core.
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The Newton mini crib mattress is designed to provide your baby with the optimal level of comfort, support, and air circulation for a better night’s sleep. Made with a breathable mesh cover and a durable, yet soft, foam interior, this mattress is sure to provide your little one with the comfortable and safe sleeping environment they need.
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The mini crib mattress is GREENGUARD GOLD CERTIFIED and PEDIATRICIAN RECOMMENDED for your baby’s health, safety and development.
Serta Perfect Start Dual Sided Baby Crib Mattress & Toddler Mattress – Waterproof – Hypoallergenic – Premium Sustainably Sourced Fiber Core GREENGUARD Gold Certified – 7 Year Warranty – Made in USA

Key Features:
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The mini crib mattress is made from non-toxic materials and is free from harmful chemicals. It is designed to be safe for babies and will expand to its full size within 24-72 hours.
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The mini crib mattress is made from sustainably sourced firm fiber core, which is made from upcycled plastic bottles. It is 27.5″W x 52″L x <6"H, and it fits standard cribs and toddler beds.
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The mini crib mattress has a waterproof cover that is easy to clean. The mattress is also reversible, so you can flip it over when it’s time for your baby to transition to a toddler bed.
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This mini crib mattress is certified by GREENGUARD Gold, which means it has low chemical emissions and is safe for the environment. It also meets or exceeds flammability, lead, phthalate and CPSIA testing standards, and does not contain any toxic fire retardants.
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The mini crib mattress has a limited 7 year warranty and is made in the USA. It has a lightweight design that makes changing sheets easy, and square corners that help for a secure fit inside the crib or toddler bed.
Delta Children Twinkle Stars Dual Sided – Premium Sustainably Sourced Fiber Core Crib and Toddler Mattress – Waterproof – GREENGUARD Gold Certified (Non-Toxic) – 7 Year Warranty – Made in USA

Key Features:
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The mini crib mattress is made from non-toxic materials and is free from harmful chemicals. It is designed to be safe for babies and will expand to its full size over time.
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This mattress is ideal for infants and toddlers. It is made from a premium sustainably sourced firm fiber core made from upcycled plastic bottles. It is a healthier, longer sleep for your newborn and toddler. The size is 27.5″W x 52″L x <6"H (fits standard cribs and toddler beds).
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The mini crib mattress has a waterproof cover that is easy to clean. The mattress is durable and has a waterproof cover on both sides. The mattress is also easy to flip when it comes time for your baby to move to a toddler bed.
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The mini crib mattress is GREENGUARD Gold certified, meaning it has low chemical emissions and is safe for the environment. It also meets or exceeds flammability, lead, phthalate and CPSIA testing standards, and does not contain any toxic fire retardants.
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This mini crib mattress has a limited 7 year warranty, is made in the USA, and has a lightweight design that makes changing sheets easy. The square corners help for a secure fit inside the crib or toddler bed.
Sealy Perfect Rest Waterproof Baby Crib and Toddler Mattress Extra Firm Airy Comfort – 150 Premium Coils – Made in USA, 52″x28″

Key Features:
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This mini crib mattress is made in the USA with extra firm coils. It is posture supportive and has 150 resilient coils. The steel edges support infants and toddlers throughout the surface.
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The mini crib mattress has a waterproof surface that is easy to clean. The airy layers provide cushioning and support for infants and toddlers. The mattress is made in America from air-quality tested cushioning.
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This mini crib mattress is non-toxic and has been certified for better indoor air quality. It has been tested for harsh chemicals and passes Chemicals of High Concern to Children regulations from various states.
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The Sealy mini crib mattress is a durable and firm mattress that is safe for babies. It is made with quality materials and is tested for safety.
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This mini crib mattress is designed to fit into full-size standard cribs and toddler beds. It is 51.7” x 27.3” with 5.25” of thickness. It is lightweight and easy to change your baby’s bedding.
Milliard Mini Crib Memory Foam Mattress Topper – Sized for The Porta Crib – Does Not Fit Playard or Standard Crib

Key Features:
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The mini crib mattress is designed for mini cribs and is made from high density foam. It is firm and comfortable so that your child can sleep well.
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The mini crib mattress has a waterproof and washable cover, making it easy to clean.
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If you are looking for a mini crib mattress that is constructed of luxurious 100% memory foam, this is the mattress for you. It has a 2-inch thickness and a premium 2.5 lb. density, meaning it will keep its shape for years to come. Additionally, it features aerating holes to increase ventilation and keep your child cool and comfortable while they sleep.
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This mini crib mattress has been tested for content, emissions and durability, and has been certified by an independent, accredited testing laboratory.
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The mini crib mattress is a soft topper that is not intended for babies. It measures 38″ x 24″ x 2″ and fits a mini crib. Please allow 24 to 48 hours for foam to expand after opening.
Noiseless 4″ Premium Foam Mini Crib Mattress Topper 38″x24″-100% Breathable Sturdy Edges and Non-Toxic, Quiet and Odorless, Hypoallergenic,Fits (38″x24″) Most Portable Mini Crib

Key Features:
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This mini crib mattress topper does not have a pungent smell, making it more comfortable to use.
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This mini crib mattress has humanized rounded corners and fine solid edges. It is firm and impossible to cause the edge to sink, thus preventing the risk of bodily injury and suffocation. Most importantly, there is no risk of unsafe spaces or lost pacifiers on the sides and corners of this mattress topper.
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This mini crib mattress topper is designed to provide your child with support and comfort while they sleep. It features a strong anti-disturbance design that will prevent your child from making noise while they roll around on the mattress.
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This mini crib mattress is easy to use and will quickly restore itself to normal usage.
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This mini crib mattress topper is made with 100% satisfaction in mind. It is the perfect size for a mini crib, measuring 38″ L x 24″ W x 4″ H. If you have any issues with the quality of this product, please contact customer support and they will be more than happy to help you out.
Dream On Me Holly 3” Fiber Portable, Greenguard Gold Certified, Waterproof Vinyl Cover, Lightweight Mini Crib Mattress, White

Key Features:
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The mini crib mattress is made with extra firm Eco-fiber for extra support and has an Embossed Soft Vinyl Cover. The Waterproof binding keeps the mattress fresh and adds to the comfort. The expansion time of the mattress will vary as per the surrounding temperature.
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The mini crib mattress is a safe and comfortable option for your baby. It is made in the USA and is certified to be free of harmful chemicals and substances.
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The mini crib mattress is designed to fit most mini cribs and portable cribs. It is 3 inches thick and measures 38 inches by 24 inches.
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The mini crib mattress is easy to clean and maintain. You can simply wipe it clean with a warm cloth and mild soap.
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The mini crib mattress is lightweight and durable. It has a square corner design that adds to its snug fit feature in mini/portable cribs. It comes with a 10 year limited warranty.
Graco Premium Foam Crib & Toddler Mattress – GREENGUARD Gold and CertiPUR-US Certified, 100% Machine Washable, Breathable, and Water-Resistant Cover, Meets All Applicable Category Safety Standards

Key Features:
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The mini crib mattress is GREENGUARD GOLD CERTIFIED, meaning that it has been screened for more than 10,000 chemicals and VOCs. It is also made of memory foam, which will expand faster in a warmer room.
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This mini crib mattress is made of certified flexible polyurethane foams that meet CertiPUR-US program standards for content, emissions and durability. The foams are analyzed by independent, accredited testing laboratories.
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This mini crib mattress has a machine-washable, water-resistant outer cover. The cover is soft, removable, and can be machine-washed in cold water (delicate cycle, no bleach). The mini crib mattress is also gentle, unzip outer cover, machine wash in cold water (delicate cycle, no bleach), and hang dry (do not place in dryer machine).
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This is a mini crib mattress that is designed to meet or exceed all applicable safety requirements. It is made to expand immediately upon delivery in room temperature setting to allow maximum time for full expansion.
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The mini crib mattress is a mattress that is designed to fit a standard full-size crib and toddler bed. The mattress is made of polyurethane foam and is 6-years limited manufacturer’s warranty.
Mini Crib Mattress FAQs
1. What are the dimensions of a mini crib mattress?
The dimensions of a mini crib mattress are 38 inches long by 24 inches wide.
2. What is the weight limit for a mini crib mattress?
The weight limit for a mini crib mattress is 20 pounds.
3. What type of mattress is best for a mini crib?
A mini crib mattress is best for a mini crib.
4. Can a mini crib mattress be used in a travel crib?
Yes a mini crib mattress can be used in a travel crib.
5. How do I know if my mini crib mattress is firm enough?
You should be able to feel the firmness of the mattress by pressing down on it with your hand. If the mattress is too soft, you will be able to feel the individual springs.
Conclusion
There are many great mini crib mattress on the market. Our list of the best mini crib mattress will help you save time researching and choosing the best one for you.