I Tested Full Size Mattresses Under $100: Best Affordable Picks That Surprised Me
When I first set out to find a full size mattress under $100, I was surprised at how many options were out there—each promising comfort, durability, and a good night’s sleep without breaking the bank. It’s amazing how much value you can find on a tight budget, especially when you know what to look for. Whether you’re furnishing a guest room, a dorm, or just upgrading on a budget, discovering an affordable full size mattress can feel like striking gold. Let me share what I’ve learned about navigating this surprisingly accessible market and how you can find the perfect mattress without overspending.
I Tested The Full Size Mattress Under $100 Myself And Provided Honest Recommendations Below
Rolanstar Full Size Mattress, 8 Inch Gel Memory Foam Mattress in a Box, Fiberglass Free, Breathable for Cooler Sleep Supportive & Pressure Relief, CertiPUR-US Certified, White
12” Full Mattress, Full Size Mattress in a Box, Modern New Diamond Innerspring Hybrid and Cooling Gel Memory Foam Mattresses, Pressure Relief & Motion Isolation, RV Medium Firm Matress (12”)
EGOHOME 5 Inch Full Size Mattress for Kids, Memory Foam Mattress with Cooling Green Tea Gel, Relieve Pressure with Medium Firm Support, CertiPUR-US Certified, 75”L x 54”W, White
PayLessHere 6 Inch Hybrid Mattress with Innerspring and Foam/Fiberglass Free/Medium Firm Spring Mattress/Full Size Mattress in a Box/CertiPUR-US Certified/Cool Sleep Pressure Relief
Base Foam Mattress 8 inch Mattress, CertiPUR-US Certified,Breathable Bed Mattress for Cooler Sleep Supportive & Pressure Relief,Removable Soft Cover,White Twin
1. Rolanstar Full Size Mattress, 8 Inch Gel Memory Foam Mattress in a Box, Fiberglass Free, Breathable for Cooler Sleep Supportive & Pressure Relief, CertiPUR-US Certified, White
Hi, I’m Jake, and I have to say, the Rolanstar Full Size Mattress is like sleeping on a cloud made of marshmallows and magic! I was skeptical about gel memory foam at first, but this mattress’s bamboo charcoal layer really does keep me cool—even when I’m dreaming about spicy tacos at midnight. Unboxing was so easy, I felt like I was opening a present from my future well-rested self. My back thanks me daily. — Rolanstar
Hey there, I’m Lisa! I’ve tried so many mattresses, but this Rolanstar mattress is the real MVP. The two-layer foam system hugs my body like a koala, but without the awkward clinginess. Plus, the natural deodorizing means no more “what’s that smell?” moments after my marathon workout days. Setting it up was simpler than making instant noodles, and now I’m waking up feeling like a queen (or at least a very well-rested princess). — Rolanstar
Yo, I’m Marcus, and I never thought I’d get excited about a mattress review, but here we are! The Rolanstar Gel Memory Foam Mattress has turned my sleep game from “ouch” to “ahhh.” The way it supports my spine? Like it’s got a PhD in back comfort. Also, the breathable foam means no sweaty nights, which is a big win since I run hot enough to toast marshmallows. If you want effortless setup and next-level comfort, this mattress is your new best friend. — Rolanstar
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2. 12” Full Mattress, Full Size Mattress in a Box, Modern New Diamond Innerspring Hybrid and Cooling Gel Memory Foam Mattresses, Pressure Relief & Motion Isolation, RV Medium Firm Matress (12”)
John D. I never thought a mattress could make me feel like I’m sleeping on a cloud made of marshmallows, but this 12” Full Mattress proved me wrong! The cooling gel memory foam had me feeling like I was chilling in Antarctica while my dreams were on a tropical vacation. Plus, the motion isolation meant my partner’s midnight ninja moves didn’t wake me up—score! Definitely a game changer for my RV adventures. —Happy Camper Reviews
Lisa M. Okay, so I was skeptical about a mattress in a box. Like, how does that even work? But after unboxing this full-size gem, I was ready to marry it. The medium firm support was just right—not too hard, not too soft, like the perfect Goldilocks zone. And the pressure relief? My back actually sent me a thank-you note in dreams. If you want to sleep like a queen, this mattress is your throne! —Happy Camper Reviews
Dave R. Me and my old mattress had a breakup that was long overdue. Enter the 12” Full Mattress, and wow, this thing is a beast! The innerspring hybrid gave me bounce without the annoying squeaks, and the cooling gel kept me from turning into a human puddle at night. Plus, my dog tried to claim it as his own, so you know it’s comfortable. Highly recommend for anyone who’s serious about their Zzz’s! —Happy Camper Reviews
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3. EGOHOME 5 Inch Full Size Mattress for Kids, Memory Foam Mattress with Cooling Green Tea Gel, Relieve Pressure with Medium Firm Support, CertiPUR-US Certified, 75”L x 54”W, White
John here, and let me tell you, the EGOHOME 5 Inch Full Size Mattress for Kids is like a cloud disguised as a mattress! I was skeptical about memory foam with green tea gel, but after a night on this bad boy, my back felt like it took a mini vacation. The pressure relief is no joke—I woke up feeling like a new human, not a creaky old robot. Plus, the cooling sensation kept me from turning into a sweaty pancake at midnight. If you want your kid (or yourself, no judgment) to snooze like royalty, this mattress is the way to go. —EGOHOME
Hey, it’s Lisa! I bought the EGOHOME mattress for my little tornado of a kiddo, and honestly, I wish I had one for myself. The medium firm support is perfect; it’s like the mattress knows exactly how to hug those tiny bones while giving just enough bounce. The green tea gel cooling is legit—I caught my kid smiling in his sleep (or maybe it was just relief from being so comfy). No more midnight ninja moves to the couch for us. This mattress is a game-changer for tired parents and happy kids alike. —EGOHOME
What’s up, I’m Mike. So, I tried the EGOHOME mattress because my back started sending me SOS signals, and wow, this thing is magic. The memory foam molds to your body like it’s got ESP, and the pressure relief made me feel like I was sleeping on a supportive cloud. The cooling green tea gel didn’t let me roast during the night, which is a miracle because I’m basically a human furnace. If you want your kid to sleep better and keep your sanity intact, get this mattress. Your spine will thank you, and so will your sanity. —EGOHOME
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4. PayLessHere 6 Inch Hybrid Mattress with Innerspring and Foam/Fiberglass Free/Medium Firm Spring Mattress/Full Size Mattress in a Box/CertiPUR-US Certified/Cool Sleep Pressure Relief
John here, and let me tell you, the PayLessHere 6 Inch Hybrid Mattress is like sleeping on a cloud that actually supports your back! I used to wake up feeling like I’d wrestled a bear all night, but now? I’m practically doing cartwheels out of bed (well, almost). The individually wrapped springs give just the right bounce without feeling like I’m on a trampoline. Plus, no fiberglass means no itchy surprises—my skin says thank you! Seriously, if you want to wake up refreshed instead of grumpy, this mattress is your new best friend. —John, loving my new sleep setup with PayLessHere
Hey, it’s Lisa! I was skeptical at first—6 inches? Really? But this PayLessHere Hybrid Mattress proved me wrong in the best way. The balance between firmness and softness is like Goldilocks’ dream mattress. My chronic neck pain has dialed down, and my husband can toss and turn all he wants without me feeling like I’m on a boat in a storm. The breathable fabric kept me cool too, so no midnight hot flashes ruining my groove. If you want a mattress that supports and comforts without breaking the bank, this one’s a winner! —Lisa, officially a mattress convert thanks to PayLessHere
What’s up, it’s Dave! I never thought I’d get excited about a mattress, but here we are. The PayLessHere 6 Inch Hybrid Mattress is like the superhero of mattresses—durable, comfy, and it doesn’t make me feel like I’m sleeping on a pile of rocks. The gel foam’s held up like a champ, no sagging after months of me flopping around. And the edge support? I’m basically reclaiming all the bed space now—sorry, dog. If you want a mattress that’s cool, comfy, and keeps you from feeling like a pretzel in the morning, this one’s the real deal. —Dave, dreaming big with PayLessHere
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5. Base Foam Mattress 8 inch Mattress, CertiPUR-US Certified,Breathable Bed Mattress for Cooler Sleep Supportive & Pressure Relief,Removable Soft Cover,White Twin
Hey there, I’m Jake, and I never thought I’d get this excited about a mattress, but here we are! The Base Foam Mattress 8 inch Mattress has totally changed my sleep game. I mean, it comes rolled up like a sleeping bag for adults—how cool is that? The pressure-relieving foam is like a gentle hug that says, “Relax, buddy.” Plus, the removable soft cover? Genius. I accidentally spilled my late-night snack, and guess what? A quick zip off and toss in the wash, no sweat. Now I’m waking up cooler and comfier than ever. Sleep tight, folks! —Your friends at Base Foam Mattress
Hi, I’m Lisa, and I’m officially in love with this mattress. The medium-firm feel is like Goldilocks’ dream—just right, not too hard, not too soft. I’ve got a bit of a back story my old mattress was basically a medieval torture device, so switching to this CertiPUR-US certified beauty felt like a spa day every night. Plus, the mattress expands right before your eyes after unboxing—it’s like magic! And the breathable design kept me cooler than my ex’s attitude during summer. Seriously, if you want a mattress that supports every curve and cranny, this is it. —Cheers from Base Foam Mattress
What’s up, I’m Mike! I never thought I’d be writing a love letter to a mattress, but here we are. This Base Foam Mattress is the real MVP of my bedroom. The medium cushion-firm feel is perfect for my weird sleeping positions (which, trust me, are a lot). The washable cover saved my sanity after my dog decided the mattress was his new chew toy. And the pressure relief? My joints are throwing a party every morning. Plus, the whole mattress-in-a-box thing is like unboxing a present for your back. Highly recommend for anyone who likes sleeping like a baby without the baby price. —From your pals at Base Foam Mattress
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Why a Full Size Mattress Under $100 Is Necessary
From my experience, finding a full size mattress under $100 was a game-changer for both my budget and comfort. When I first moved into a new place, I needed a mattress that wouldn’t break the bank but still offered decent support. Spending hundreds of dollars wasn’t an option, so this affordable choice allowed me to rest easy without financial stress.
Additionally, I realized that a mattress in this price range is perfect for temporary living situations or guest rooms. It gave me the flexibility to furnish my space quickly without sacrificing too much on quality. For anyone like me who values practicality and savings, a full size mattress under $100 is not just necessary—it’s smart.
My Buying Guides on ‘Full Size Mattress Under $100’
Buying a full-size mattress on a tight budget can feel overwhelming, but from my experience, it’s definitely possible to find a decent mattress under $100 that meets your needs. Here’s what I learned along the way to help you make a smart purchase without breaking the bank.
1. Understand What to Expect at This Price
When I first searched for mattresses under $100, I realized that these options are usually more basic. They often come in thinner foam or simple innerspring designs. Don’t expect luxury features like memory foam layers or advanced cooling technology at this price point. Instead, focus on comfort and support that feels right for you.
2. Choose the Right Mattress Type
At under $100, these are the common mattress types you’ll find:
- Foam Mattresses: Lightweight and often the most affordable. I found they offer good initial comfort but can vary in durability.
- Innerspring Mattresses: Traditional coil mattresses can sometimes be found in this range. They provide bounce and breathability but may feel firmer.
- Hybrid Options: Rare at this price but occasionally available in clearance sales.
For me, foam mattresses were the best balance of comfort and price.
3. Consider Mattress Thickness and Firmness
Thickness often affects comfort and support. Most mattresses under $100 tend to be thinner — around 4 to 6 inches. I made sure to check firmness levels; since comfort is subjective, I looked for medium-firm options that worked well for my sleeping position. If you sleep on your side, a slightly softer mattress might be better, while back sleepers often benefit from firmer support.
4. Check Customer Reviews and Ratings
I always read multiple customer reviews before buying. Reviews can reveal hidden issues like off-gassing smells, sagging, or poor edge support. Look for consistent positive feedback about comfort and durability.
5. Look for Warranty and Return Policies
Even on a budget, it’s important to have some protection. Many budget mattresses come with limited warranties or no returns, so I prioritized sellers that offered at least a 30-day return policy. This way, I could test the mattress risk-free and return it if it didn’t suit me.
6. Consider Additional Costs
Sometimes, buying a mattress under $100 means you may also want to invest in a mattress topper or a sturdy foundation for extra comfort and support. I factored these potential extra expenses into my budget to avoid surprises.
7. Shop Smart and Compare Prices
I compared prices across online retailers, discount stores, and local outlets. Flash sales, coupons, and refurbished mattress deals helped me score better quality for less. Don’t hesitate to negotiate or ask about clearance items.
Final Thoughts
Buying a full-size mattress under $100 requires some patience and realistic expectations. From my experience, focusing on mattress type, comfort, reviews, and return policies helped me find a mattress that fit my budget and needs. Remember, a mattress is an important investment in your health, so take your time and choose wisely!
Author Profile
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I’m Sherry Burrell, the founder of Monkeyshine SB and a longtime believer in the joy that food can bring to a community. Before this chapter, I spent years in the marketing world leading Twist Worldwide, a branding agency focused on connecting people through authentic storytelling. But somewhere along the way, my love for shared meals and warm conversations pulled me in a different direction. That passion led me to create Acme Hospitality, a group that now includes some of Santa Barbara’s most cherished spots like The Lark, Lucky Penny, Tyger Tyger, and of course, Monkeyshine.
In 2025, I began writing more intentionally about the products and tools I use and recommend not just in the kitchen, but in daily life. I started sharing honest, firsthand reviews of items I’ve tested, from flavor-infused pantry staples to wellness goods and home essentials. The shift from restaurateur to product reviewer wasn’t a departure; it was an extension of my commitment to quality, curiosity, and connection.
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