10 Best Memory Foam Mattresses Under $300 for Comfortable Budget Sleep in 2026

A comfortable mattress does not have to consume your bedroom budget. The best memory foam mattresses under $300 can provide useful pressure relief, motion isolation, and convenient boxed delivery at a much lower price than premium models.

This roundup compares 10 affordable options across different sizes, thicknesses, firmness levels, and cooling features so you can choose a mattress that fits your sleep style, space, and expectations.

Best 10 Memory Foam Mattresses Under 300 Picks for 2026

Cooling Comfort Pick – Novilla 10-Inch Queen Memory Foam

For shoppers comparing memory foam mattresses under 300, the Novilla Queen offers a 10-inch medium-plush design with gel-infused foam, pressure relief, and motion isolation. Its queen size and boxed delivery make it a practical choice for a primary bedroom.

Best For: Couples and sleepers who want cooling features, cushioning, and reduced motion transfer.

Pros:

• Gel-infused memory foam is designed to support pressure relief and temperature regulation.
• High-density foam helps absorb movement, while reinforced edges support edge sleepers.
• CertiPUR-US certified foam, a 100-day trial, and a 10-year protection period add peace of mind.
• Compressed box packaging simplifies delivery and setup.

Cons:

• Expansion may take up to 72 hours.
• Medium-plush cushioning may feel too soft for shoppers seeking a firm mattress.

Choose this model if you want a roomy queen mattress with a balanced mix of pressure relief, cooling airflow, and partner-friendly motion control.

Compact Value Pick – Zinus 6-Inch Full Green Tea Mattress

The Zinus Green Tea mattress is a straightforward option among memory foam mattresses under 300, pairing a 6-inch profile with medium-firm support. Its Full size works well when you need pressure-relieving foam without the bulk of a thicker mattress.

Best For: Back sleepers, average-weight sleepers, guest rooms, and space-conscious shoppers.

Pros:

• One inch of conforming memory foam sits over five inches of high-density support foam.
• Green tea and moisture-absorbing ActivCharcoal are incorporated into the foam design.
• CertiPUR-US certified foam and a 10-year limited warranty provide added reassurance.
• Compressed packaging makes the mattress easier to maneuver into a bedroom.

Cons:

• The 6-inch profile provides less cushioning than thicker mattresses.
• Full expansion can take 24 to 72 hours, depending on room conditions.

This is a practical pick for shoppers who prioritize a medium-firm feel, simple delivery, and a lower-profile design over plush comfort.

Small-Space Charcoal Pick – NapQueen 8-Inch Twin Mattress

For buyers seeking memory foam mattresses under 300 in a compact size, the NapQueen 8-inch Twin combines medium-firm charcoal-infused foam with a reactive feel. It is designed to provide support while helping regulate moisture, temperature, and odor.

Best For: Twin beds, smaller rooms, stomach sleepers, and shoppers who prefer medium-firm support.

Pros:

• Bamboo charcoal infusion is intended to help manage moisture, temperature, and odor.
• High-density memory foam supports the lower back and helps maintain a neutral spine.
• Removable cover, low motion transfer, and temperature-regulating features add practicality.
• Boxed delivery and a two-year limited warranty are included.

Cons:

• The 300-pound maximum weight capacity is lower than some larger mattresses.
• Twin dimensions may not suit couples or sleepers wanting more room.
• The supplied notes do not specify an expansion time.

This NapQueen model makes sense when you need a supportive Twin mattress with charcoal-related freshness features and a cover that can be removed for cleaning.

Balanced Cooling Pick – Dyonery 10-Inch Queen Mattress

The Dyonery Queen is a strong contender among memory foam mattresses under 300 for shoppers wanting a medium feel with cooling and pressure-relief features. Its 10-inch gel and bamboo-charcoal foam construction is compatible with several common bed bases.

Best For: All-position sleepers seeking balanced support, cooling features, and a queen-size surface.

Pros:

• Medium firmness, rated approximately 6–7 out of 10, balances contouring and support.
• Gel-infused bamboo-charcoal foam is designed to dissipate heat and relieve pressure points.
• CertiPUR-US and OEKO-TEX certifications support the stated material-safety claims.
• Works with box springs, slatted bases, solid foundations, adjustable beds, and floors.

Cons:

• Non-quality-related returns are not accepted after opening, according to the supplied notes.
• At 56.5 pounds, it may be less convenient to move than lighter boxed models.
• Although full expansion is expected in 12 hours, setup still requires unrolling and waiting.

Consider this mattress if you want a supportive queen with a clearly defined medium feel, multiple base options, and cooling-oriented foam construction.

Budget Comfort Pick – Best Price Mattress 6-Inch Full

For shoppers comparing memory foam mattresses under 300, this 6-inch full-size model focuses on pressure relief and straightforward, budget-friendly construction. Its three-layer design combines memory foam with support and high-density foam, while green tea infusion adds a fresh-feeling touch.

Best For: Budget-conscious full-size shoppers who prefer a medium feel and a low-profile mattress.

Pros:

• Memory foam is designed to mold to the body and relieve pressure points.
• Three-layer construction combines comfort and support foam.
• CertiPUR-US certified foams and a 10-year warranty add reassurance.
• Bed-in-a-box design is convenient for delivery and setup.

Cons:

• At 6 inches thick, it offers less cushioning than the thicker options here.
• The cover is listed for hand washing only.
• It is available in a full size, rather than queen size.

This is a practical choice when low cost and a compact profile matter most. The medium firmness and pressure-relieving memory foam suit sleepers seeking simple everyday support without extra thickness.

Thick Cooling Option – Lazyzizi 12-Inch Queen

Among memory foam mattresses under 300, this 12-inch queen model stands out for its thicker profile and cooling-focused construction. It uses four layers of HI-FLO foam, gel memory foam, airflow foam, and a breathable OEKO-TEX-certified cover for pressure relief and temperature regulation.

Best For: Queen-size sleepers who want a plush, thicker mattress with cooling features and motion isolation.

Pros:

• Four-layer, 12-inch construction provides a substantial comfort profile.
• Gel-infused foam and airflow foam are designed to help regulate temperature.
• High-density foam is designed to isolate motion and reduce noise.
• Fiberglass-free construction and an OEKO-TEX-certified cover are notable safety features.

Cons:

• The plush feel may not suit sleepers seeking firm support.
• Its 65.1-pound weight can make handling more difficult.
• As a thicker queen mattress, it may require more room and setup effort.

The Lazyzizi offers the most cushioning and feature-rich build in this group. It is worth considering for couples and warm sleepers who prioritize a plush feel, motion isolation, and a fiberglass-free design.

Balanced Medium-Firm Pick – EGOHOME 8-Inch Full

This EGOHOME model is a balanced choice among memory foam mattresses under 300, pairing an 8-inch full-size profile with medium-firm support. Its green tea gel memory foam is designed to relieve pressure, absorb motion, and promote airflow across different sleeping positions.

Best For: Full-size sleepers seeking medium-firm, all-position support with cooling and pressure-relief features.

Pros:

• Medium-firm feel is designed to support multiple sleep positions.
• Green tea gel memory foam helps with pressure relief and temperature regulation.
• Breathable bubble-hole construction encourages airflow.
• CertiPUR-US-certified and fiberglass-free according to the product listing.

Cons:

• The 8-inch profile provides less height than the 12-inch option.
• The cover is listed for hand washing only.
• It is offered in full size, which may be limiting for larger sleepers or couples.

With its moderate thickness and medium-firm feel, this mattress is a versatile middle ground. It makes sense for shoppers who want cooling gel, pressure relief, and support for varied sleep positions without choosing a very plush design.

Best with Extra Features – Novilla 8-Inch Full Gel Memory Foam Mattress

If you’re shopping for memory foam mattresses under 300, the Novilla 8-inch Full is a practical option for sleepers who want gel cooling, pressure relief, and motion isolation in a compact mattress-in-a-box design. Its medium feel and three-layer construction balance contouring comfort with support.

Best For: Full-size sleepers who want cooling features, low motion transfer, and balanced support.

Pros:

• NanoGel-infused foam is designed to improve heat absorption and airflow.
• Three foam layers help absorb motion and support spinal alignment.
• CertiPUR-US foam and an OEKO-TEX Standard 100 cover support a cleaner sleep environment.
• Includes a 10-year protection plan and arrives compressed in a box.

Cons:

• At 8 inches thick, it may provide less cushioning than a thicker mattress.
• It needs up to 72 hours to air out and fully reshape.

The Novilla stands out among budget memory foam mattresses for its combination of gel cooling, pressure relief, and motion control. It is a sensible fit for a full-size bedroom, guest room, or anyone wanting an affordable mattress with certified materials.

Queen Cooling Value – LIFEMENT 8-Inch Copper Gel Memory Foam Mattress

Among memory foam mattresses under 300, the LIFEMENT 8-inch Queen focuses on temperature regulation and medium-firm support. Its graphite-infused top foam, transition layer, and high-density base are designed to contour to the body while limiting motion transfer.

Best For: Queen-size sleepers who prefer medium-firm support and a fiberglass-free mattress design.

Pros:

• Graphite-infused memory foam is designed to help regulate heat and wick moisture.
• Three-layer construction supports pressure relief in back, side, and stomach sleeping positions.
• Fiberglass-free design includes a soft knit cover.
• CertiPUR-US foam, an OEKO-TEX certified cover, and a 10-year warranty add value.

Cons:

• The removable cover is listed for hand washing only.
• Its 8-inch profile may not feel as plush as a thicker queen mattress.

The LIFEMENT is a strong budget-oriented choice for a queen bedroom when cooling and medium-firm support matter. The graphite foam, motion-absorbing transition layer, and fiberglass-free construction give it a practical feature set for everyday use.

Budget Full-Size Essential – GAESTE 8-Inch Cooling Gel Mattress

The GAESTE 8-inch Full is a straightforward choice for shoppers comparing memory foam mattresses under 300. Its medium feel combines gel-infused cooling with body-contouring pressure relief, while the compressed mattress-in-a-box format simplifies delivery and setup.

Best For: Budget-conscious full-size shoppers furnishing a primary bedroom, guest room, or compatible platform setup.

Pros:

• Gel-infused memory foam is designed to manage heat for cooler sleep.
• Medium support contours to the shoulders, hips, and back without feeling excessively soft.
• CertiPUR-US foam and an OEKO-TEX certified cover support a safer sleep environment.
• Compatible with most full-size frames, box springs, and platforms.

Cons:

• The listed construction has one foam layer, offering less layering than some competing models.
• It may require up to 72 hours to fully expand after unboxing.

The GAESTE keeps the design simple while covering the essentials: medium support, gel cooling, pressure relief, and easy setup. It is especially appealing when an affordable full mattress is needed for everyday use or a guest room.

How We Picked the Best Memory Foam Mattresses Under 300

We focused on mattresses priced below $300 and evaluated the features that matter most at this level: foam construction, advertised firmness, thickness, cooling materials, available sizes, setup convenience, and suitability for different sleepers. We also considered practical details such as fiberglass-free claims, compressed bed-in-a-box delivery, and whether a model is better suited to everyday use, a guest room, or a child’s room.

Because prices and availability change, confirm the current price, size, warranty, sleep trial, and return terms before ordering. Budget mattresses can vary considerably by size, and a queen or thicker model may occasionally exceed the target price during demand spikes.

Quick Comparison

Best For	What to Look For
Everyday budget value	Medium firmness, dependable foam support, and a suitable thickness
Side sleepers	At least 8 inches of foam and enough cushioning for shoulders and hips
Back or stomach sleepers	Medium-firm support that limits excessive sinking
Hot sleepers	Gel, copper, or charcoal-infused foam and breathable construction
Guest rooms	Affordable pricing, easy delivery, and a broadly comfortable medium feel
Small spaces	Twin or full sizing with a manageable thickness and weight

Key Buying Factors for Memory Foam Mattresses Under $300

Thickness and Support

Six-inch mattresses are usually best for children, lighter adults, bunk beds, or occasional use. An 8-inch mattress offers a more balanced choice for many adults, while 10- to 12-inch designs generally provide additional cushioning and deeper support. Check the bed frame’s weight capacity as well as the mattress specifications.

Firmness and Sleeping Position

Medium and medium-firm mattresses are the safest starting points for shared beds because they balance cushioning and support. Side sleepers often benefit from thicker foam, while stomach sleepers may prefer a firmer surface that helps keep the hips from sinking. Body weight also affects perceived firmness: heavier sleepers typically compress soft foam more deeply.

Cooling and Materials

Memory foam can retain heat, so gel, copper, green tea, charcoal, and ventilated covers may be useful features. They can improve comfort, but they do not make an all-foam mattress actively cool. Use breathable bedding and allow a boxed mattress time to expand and air out before sleeping on it.

Safety, Setup, and Policies

Look for clear material disclosures and pay attention to fiberglass-related claims, especially if the cover should not be removed. Measure doorways and the bed frame before delivery. Follow the manufacturer’s expansion instructions, then review the trial, warranty, and return policy because handling or pickup fees may apply.

Who Should Buy Which Memory Foam Mattresses Under 300?

Choose a thinner 6-inch model for a guest room, child’s bed, or tight budget. An 8-inch mattress is a versatile option for apartments, guest spaces, and lighter adults. Choose a 10- or 12-inch option when you want more cushioning, sleep mostly on your side, or share the bed with a partner. Cooling-infused models are worth prioritizing if you regularly wake up warm, while a straightforward medium-firm design may offer the best value for general use.