5 Best Organic Crib Mattresses - June 2026

BEST OF THE BEST

Colgate Mattress

EcoClassica III Sustainable Baby and Toddler Mattress, 51.6" 27.25" x 6"

Trusted Brand

There's memory foam from top to bottom in this firm hypoallergenic mattress.

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PROS

The infant side of this American-made mattress keeps your newborn well-supported while the other side keeps them comfy as they grow.
There's an organic cotton cover with waterproof backing.
Buyers love the versatile firmness.

CONS

Some buyers had problems with the seams ripping open.

BEST BANG FOR THE BUCK

Milliard

Dual-Sided Baby and Toddler Mattress w/ 100% Organic Cotton, 52" x 27.5" 5.5"

Simple Yet Solid

Another dual-sided mattress for toddlers with memory foam.

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PROS

The polyurethane foam mattress has a firm side for your infants that keeps them safe and sturdy and a memory foam side for growing babies and toddlers.
The included cover comes from 100% GOTS Certified cotton.
People love the memory foam side.

CONS

Very faint odor out of the box.

Modera

Dual-Sided Memory Foam 2-Stage Mattress, 52" x 27" x 5.5"

Reliable Support

The memory foam in this option keeps your toddler comfortable as they grow.

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PROS

It has a firm side that is flat with stable edges.
The memory foam gel cools your child through the night.
The cover was made from easy-to-clean hypoallergenic cotton with a waterproof exterior.
It's a firm-soft option for newborns who need more support.

CONS

The included mattress cover is cheap.

Wonder Living

Organic Baby Crib Mattress, 52" x 28" x 5"

Firm yet Plushy

A hypoallergenic crib mattress made of breathable material that repels water and keeps your child comfortable.

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PROS

This organic polyester crib mattress isn't covered in harmful toxic chemicals.
It's a thick and plushy mattress that keeps its firm shape without your child noticing, and it won't fall apart when your kid wets the bed.

CONS

Some noted inconsistent sizing,

Naturepedic

Organic Lightweight Baby Crib Mattress, 52" x 28" x 4"

Made with Organic Wool

This organic GOTS-certified mattress gives your baby firm support while they sleep.

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PROS

Its natural waterproof coating makes cleanup as simple as soap, water, and a towel.
It might be lightweight, but it's plenty strong enough to hold a growing kid.
The breathable material keeps your child comfortable and secure.

CONS

Some people think it's too firm as kids get bigger.

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BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We buy all products with our own funds, and we never accept free products from manufacturers.About BestReviews

How We Tested

We recommend these products based on an intensive research process that's designed to cut through the noise and find the top products in this space. Guided by experts, we spend hours looking into the factors that matter, to bring you these selections.

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First Reviewed

May 03, 2021

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