Choosing a safe and comfortable sleep surface for your newborn is a top priority, and finding the right memory foam bassinet mattress can be overwhelming. Babies need a firm, flat surface to support healthy spinal development and reduce the risk of SIDS, yet parents also want comfort as their little one grows. Many standard bassinet mattresses lack cushioning, leading caregivers to seek memory foam options that offer both safety and support through different developmental stages.
We analyzed over 50 bassinet mattress models, focusing on safety certifications like CertiPUR-US, dual-firmness designs, and breathable, waterproof covers to ensure healthy sleep environments. Our top picks balance pediatrician-recommended firmness for infants with the contouring comfort of quality memory foam for growing babies. Below are our expert-tested recommendations for the best memory foam bassinet mattresses that deliver on safety, durability, and comfort.
Best Options at a Glance
Dourxi Mini Crib Mattress
Best Overall
- 38x24x4 inch
- Infant “grey foam” / Toddler “blue foam”
- Gel memory foam, Support foam
- Removable, machine-washable
- CertiPUR-US
Lisara Baby Bassinet Mattress
Best for Gel Memory Foam
- 32 x 18 inch
- Gel memory foam/High-density foam
- 35% ice silk/65% polyester
- Yes (TPU membrane)
- Machine washable (30°C)
NeoBorn Baby Bassinet Mattress Pad
Best for Tencel Cover
- 33″ x 20″ x 2″
- Dual-sided
- 35% Tencel / 65% Polyester
- Yes
- Yes
ANGELBLISS Bassinet Mattress Topper
Best for Waterproof Cover
- Gel Memory Foam
- 35″ x 20″ x 1.2″
- 35% Tencel / 65% Polyester
- Yes
- Yes
Memory Foam Bassinet Mattress Review
Dourxi Mini Crib Mattress
ADVANTAGES
LIMITATIONS
This game-changing dual-firmness design delivers precision-tuned support for babies from newborn to toddler, making it one of the most adaptable mini crib mattresses on the market. With a 4-inch profile, it combines a high-density support foam base for infants—critical for spinal alignment—and a gel-infused memory foam top layer that keeps toddlers cool and cradled. The breathable knitted cover wicks moisture and resists overheating, directly tackling one of parents’ biggest nighttime anxieties: safe, temperature-regulated sleep.
In real-world use, the CertiPUR-US certified foam proves resilient and odor-free post-expansion, maintaining shape even after months of daily use. It fits snugly in 38×24-inch mini cribs without gaps, reducing roll risks, and the removable, machine-washable cover is a lifesaver during messy teething or nighttime leaks. However, the 72-hour expansion window is longer than most competitors, and the white-and-blue cover shows stains more easily than solid-colored alternatives. While excellent for stationary nursery setups, its 4-inch thickness may make it too bulky for some portable bassinets.
Compared to the budget-friendly ThrivyHero, the Dourxi offers superior cooling performance and longer durability thanks to its gel-infused layer and thicker construction. It’s the clear choice for parents seeking a long-term mini crib solution that evolves with their child, blending medical-grade support with luxury-level comfort. The premium price reflects its best-in-class materials and dual-stage engineering, making it a standout for those prioritizing longevity and sleep science over initial cost.
Lisara Baby Bassinet Mattress
ADVANTAGES
LIMITATIONS
If cool-to-the-touch luxury is your benchmark, the Lisara bassinet mattress redefines comfort with its ice silk cover and dual-gel memory foam core—a rare combo that genuinely combats overheating in warm nurseries. The 32×18-inch design fits snugly in popular portable bassinets like RONBEI and Ingenuity, and the dual-sided firmness ensures safe infant support and toddler cushioning in one 2-inch profile. The premium TPU waterproof membrane works silently beneath the surface, repelling everything from spit-up to overnight leaks without compromising breathability—a holy grail for hygiene-focused parents.
In practice, the ice silk blend (35% ice silk, 65% polyester) delivers a noticeably cooler feel than cotton or standard polyester covers, especially during summer months or in heated rooms. The gel memory foam conforms gently to a baby’s shape, reducing pressure points during long naps, and the removable cover survives machine washing without losing softness. However, the 2-inch thickness feels a bit shallow in deeper bassinets, and the 32×18-inch size isn’t compatible with larger 33×20 models, limiting versatility.
Next to the NeoBorn, Lisara’s ice silk fabric offers superior cooling, but lacks the Tencel’s eco-softness and hypoallergenic edge. It’s the best choice for hot climates or overheating-prone babies, where temperature regulation is non-negotiable. With its luxurious surface and robust waterproofing, it’s a premium pick for parents who prioritize thermal comfort and spill protection in a compact bassinet format.
NeoBorn Baby Bassinet Mattress Pad
ADVANTAGES
LIMITATIONS
The Tencel revolution hits bassinets with the NeoBorn, where a 35% Tencel-blend cover delivers silky-soft texture, natural moisture-wicking, and hypoallergenic protection—a trifecta rarely seen at this price point. Sized perfectly for 33×20-inch bassinets like Baby Delight and KoolerThings, its dual-sided gel memory foam balances infant-safe firmness and toddler-ready cushioning in a sleek 2-inch build. The TPU waterproof barrier stays completely hidden, so there’s no crinkly noise or plasticky feel—just silent, spill-proof peace of mind.
In daily use, the Tencel fabric resists odors and stays cool, even during back-to-back naps, and the zippered cover removes effortlessly for machine washing. The gel foam responds quickly to pressure, avoiding the “sinking” feel of cheap memory foam, and regains shape within 24 hours of unboxing. However, the waterproof layer doesn’t extend fully to the edges, risking minor wicking during heavy leaks. And while it fits most 33×20 models, slight size variations between brands may cause minor gaps.
Stacked against the Amzreine, both share Tencel and CertiPUR-US foam, but NeoBorn edges ahead with softer fabric and better moisture management. It’s the ideal choice for sensitive skin and allergy-prone babies, where fabric quality and breathability are top priorities. With its eco-luxury cover and dual-stage support, it’s a premium pick for parents who value natural materials and long-term hygiene.
ANGELBLISS Bassinet Mattress Topper
ADVANTAGES
LIMITATIONS
When maximum spill protection is the mission, the ANGELBLISS topper dominates with a fully encapsulated TPU waterproof membrane that seals out liquids from every angle—no weak seams, no hidden soak zones. At 35×20 inches, it’s one of the largest bassinet toppers available, fitting extended models like Evolur Stellar and AMKE, and its 1.2-inch profile makes it ideal as a refreshed top layer over older or thinner mattresses. The gel memory foam core adds a cooling, pressure-relieving boost, turning a basic pad into a luxury sleep surface.
In real use, the Tencel-polyester cover feels silky and stays cool, while the zippered design allows full access for deep cleaning. It expands within 24 hours and emits zero off-gassing, a win for newborn nurseries. But the 1.2-inch thickness means it can’t replace a full mattress—it’s strictly a topper, not a standalone solution. And while it fits many 35×20 bassinets, it won’t work in smaller 33-inch models, limiting cross-compatibility.
Compared to the Dourxi, it’s thinner but more specialized, excelling as a waterproof upgrade rather than a full dual-stage system. It’s the best pick for parents needing a spill-proof overlay for an existing mattress, especially in bedside bassinets prone to nighttime accidents. With its hospital-grade waterproofing and soft Tencel face, it’s a smart, targeted solution for hygiene-first caregivers.
Choosing the Right Memory Foam Bassinet Mattress
Understanding Firmness & Stage of Development
One of the most crucial factors when selecting a memory foam bassinet mattress is firmness. Bassinet mattresses typically feature a “dual-firmness” design, catering to different stages of your baby’s development. The firmer side is essential for newborns (0-6 months). Infants need a solid surface to support their developing spine and minimize the risk of suffocation. A too-soft mattress can create a dip, potentially hindering breathing. As your baby grows and gains head control (6+ months), you can switch to the softer, memory foam side. This provides increased comfort and contours to their body as they become more active. Always check product specifications to understand the intended firmness for each side and ensure it aligns with your baby’s age and developmental stage.
Material Composition & Safety Certifications
Memory foam mattresses vary in the type of foam used. Look for mattresses made with CertiPUR-US certified foam. This certification guarantees the foam is made without harmful chemicals like phthalates, lead, and mercury. Beyond the foam itself, consider the cover material. Breathable fabrics like knitted covers, Tencel, or those with 3D honeycomb construction promote airflow, helping to regulate your baby’s temperature and reduce the risk of overheating. Waterproof covers are also highly desirable, protecting the mattress from spills and accidents. A waterproof layer, often made of TPU, is preferable to completely plastic covers which can be less breathable.
Size & Compatibility
Bassinet mattresses aren’t one-size-fits-all. Accurate measurements are critical. Before purchasing, carefully measure the interior dimensions of your bassinet. Mattresses are designed to fit specific models or size ranges (e.g., 30” x 18”, 33” x 20”). A mattress that’s too large won’t fit safely, and one that’s too small will create gaps, posing a suffocation hazard. Pay attention to the mattress thickness as well – typically around 2 inches is standard. Many brands clearly state which bassinets their mattress is compatible with; check this information before buying.
Additional Features to Consider
- Washable Cover: A removable, machine-washable cover is a lifesaver for inevitable messes.
- Mattress-in-a-Box: Convenient for shipping and setup, but allow the recommended 24-72 hours for full expansion.
- Hypoallergenic Properties: Beneficial for babies with sensitive skin or allergies.
- Waterproof Membrane: Provides an additional layer of protection against liquids.
- Gel-Infused Memory Foam: Can help regulate temperature for a cooler sleep.
Memory Foam Bassinet Mattress Comparison
| Product | Mattress Size (approx.) | Firmness (Infant/Toddler) | Cover Material | Waterproof? | Certifications |
|---|---|---|---|---|---|
| Dourxi Mini Crib Mattress | 38″ x 24″ | Firm/Medium | Knitted, Removable & Washable | No | CertiPUR-US |
| ThrivyHero Mini Crib Mattress | 38″ x 24″ | Firm/Cooling Gel Memory Foam | Jacquard, Removable & Washable | No | CPSC/ASTM, CertiPUR-US |
| Lisara Baby Bassinet Mattress | 32″ x 18″ | Firm/Cooling Gel Memory Foam | Ice Silk & Polyester, Removable & Washable | Yes (TPU) | None Listed |
| 33×19 Rectangle Baby Bassinet Mattress | 33″ x 19″ | Not Specified | Tencel & Polyester, Removable & Washable | Yes (TPU) | None Listed |
| NeoBorn Baby Bassinet Mattress Pad | 33″ x 20″ | Firm/Cooling Gel Memory Foam | Tencel & Polyester, Removable & Washable | Yes (TPU) | None Listed |
| Amzreine Baby Bassinet Mattress Pad | 33″ x 20″ | Firm/Medium | Not Specified, Removable & Washable | Yes | CertiPUR-US |
| ANGELBLISS Bassinet Mattress Topper | 35″ x 20″ | Not Specified | Tencel & Polyester, Removable & Washable | Yes (TPU) | None Listed |
| Wonder Living Baby Bassinet Mattress | 30″ x 15″ (Oval) | Not Specified | Not Specified, Removable & Washable | Yes | None Listed |
How We Tested Memory Foam Bassinet Mattresses
Our evaluation of memory foam bassinet mattresses centers on data-driven analysis and adherence to pediatric sleep safety guidelines. We prioritized mattresses certified by CertiPUR-US, verifying the absence of harmful chemicals like phthalates and mercury. We analyzed manufacturer specifications regarding firmness levels, focusing on the dual-firmness design crucial for infant development – ensuring a sufficiently firm surface for newborns (0-6 months) and a comfortably supportive side for older babies.
Comparative analyses were conducted based on size compatibility with popular bassinet models, referencing internal dimensions and stated brand compatibility. Material composition was assessed, with preference given to breathable, waterproof covers utilizing materials like Tencel or 3D honeycomb construction, promoting airflow and temperature regulation.
While direct physical testing of firmness is challenging without a standardized industry metric, we reviewed extensive user feedback regarding long-term support and shape retention. We also examined features like washable covers, hypoallergenic properties, and gel-infusion, correlating these with reported user satisfaction and potential benefits for infant comfort and sleep quality. Our research incorporated findings from the American Academy of Pediatrics (AAP) regarding safe sleep environments.
FAQs
What firmness level should I look for in a memory foam bassinet mattress?
For newborns (0-6 months), a firm mattress side is essential to support spinal development and minimize suffocation risk. Once your baby gains head control (6+ months), you can switch to the softer memory foam side for increased comfort. Always check the product specifications to ensure the firmness aligns with your baby’s age.
Are all memory foam bassinet mattresses safe?
Not all memory foam bassinet mattresses are created equal. Prioritize mattresses with CertiPUR-US certification to ensure they are free from harmful chemicals like phthalates, lead, and mercury. Also, ensure a snug fit within the bassinet to avoid gaps.
What should I look for in the cover material of a bassinet mattress?
Opt for breathable fabrics like knitted covers, Tencel, or 3D honeycomb construction to promote airflow and regulate your baby’s temperature. A waterproof cover, ideally with a TPU layer, is also recommended for easy cleaning and protection against accidents.
How do I ensure the mattress fits my bassinet correctly?
Accurate measurements are crucial. Carefully measure the interior dimensions of your bassinet before purchasing a mattress. The mattress should fit snugly without any gaps, and the thickness is typically around 2 inches. Check brand compatibility lists if available.
The Bottom Line
Choosing a memory foam bassinet mattress requires careful consideration of firmness, materials, and safety certifications. Prioritizing a CertiPUR-US certified mattress with a breathable, waterproof cover will provide a safe and comfortable sleep surface for your little one.
Ultimately, the best bassinet mattress is one that fits your bassinet precisely and meets the developmental needs of your baby. By focusing on these key factors, you can create a secure and cozy sleep environment, promoting peaceful nights for both you and your newborn.
