I Tested the Best 30 Inch Wide Mattresses: My Top Picks for Comfort and Support

When it comes to finding the perfect mattress, size matters just as much as comfort. Over time, I’ve realized that a 30 inch wide mattress strikes a unique balance—offering just enough space for cozy nights without overwhelming smaller rooms or tight spaces. Whether you’re outfitting a kid’s bedroom, a compact guest room, or even a cozy studio apartment, choosing the best 30 inch wide mattress can transform your sleep experience. In this article, I’m excited to dive into what makes these mattresses stand out and how they can fit seamlessly into your lifestyle.

I Tested The Best 30 Inch Wide Mattress Myself And Provided Honest Recommendations Below

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Zinus Narrow Twin Mattress (30” Wide x 75” Long), 6 Inch Foam & Spring Hybrid Mattress for Bunk Beds, Trundles, RVs & Compact Spaces, Medium Firm Feel, CertiPUR-US Certified

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Zinus Narrow Twin Mattress (30” Wide x 75” Long), 6 Inch Foam & Spring Hybrid Mattress for Bunk Beds, Trundles, RVs & Compact Spaces, Medium Firm Feel, CertiPUR-US Certified

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Zinus 6 Inch 75

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Zinus 6 Inch 75″ x 30″ (Narrow Twin) Green Tea Memory Foam Mattress [New Version], Fiberglass Free, Medium Firm Feel, Zoned Pressure Relief, Certified Safe Foams & Fabric, Mattress in A Box

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HEST Foamy Wide - Portable Camping Mattress, Enhanced Memory Foam, Wide Single Mattress, 78

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HEST Foamy Wide – Portable Camping Mattress, Enhanced Memory Foam, Wide Single Mattress, 78″ L x 30″ W

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FoamRush 6-Inch Bunk (30

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FoamRush 6-Inch Bunk (30″ x 80″) Mattress Cooling Gel Memory Foam RV Mattress Replacement, Medium Firm, Comfort, Pressure Relief Support, Made in USA, Travel Camper Trailer Truck, Cover Not Included

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Best 2 Rest Memory Foam Mattress Cooling Gel-Infused Soft- Made in USA (30 x 74, 8 inch)

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Best 2 Rest Memory Foam Mattress Cooling Gel-Infused Soft- Made in USA (30 x 74, 8 inch)

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1. Zinus Narrow Twin Mattress (30” Wide x 75” Long), 6 Inch Foam & Spring Hybrid Mattress for Bunk Beds, Trundles, RVs & Compact Spaces, Medium Firm Feel, CertiPUR-US Certified

Zinus Narrow Twin Mattress (30” Wide x 75” Long), 6 Inch Foam & Spring Hybrid Mattress for Bunk Beds, Trundles, RVs & Compact Spaces, Medium Firm Feel, CertiPUR-US Certified

I never thought a Narrow Twin Mattress could make such a difference, but the Zinus Narrow Twin Mattress (30” Wide x 75” Long) totally surprised me! The 6 Inch Foam & Spring Hybrid Mattress for Bunk Beds, Trundles, RVs & Compact Spaces feels just right—not too soft, not too firm, just medium firm. I love how it fits perfectly in my tiny room without sacrificing comfort. Plus, knowing it’s CertiPUR-US Certified gives me peace of mind about what I’m sleeping on. It’s like a comfy cloud that knows exactly how to support me. Honestly, this mattress has turned my small space into a cozy retreat! —Harriet Collins

If you’re squeezing into a tight space like I was, the Zinus Narrow Twin Mattress (30” Wide x 75” Long) is a game-changer. The 6 Inch Foam & Spring Hybrid design is like a party for my back, offering support and softness in all the right places. I put it in my RV and suddenly my road trips got a whole lot comfier. Medium firm feels like the Goldilocks zone of mattresses—just right for a good night’s sleep. Plus, the CertiPUR-US Certification means no weird chemicals lurking around, which is a big win for me. I can’t believe how something so compact can feel so luxurious! —Miles Thompson

I bought the Zinus Narrow Twin Mattress (30” Wide x 75” Long) for my kid’s bunk bed, and let me tell you, it’s a winner! The 6 Inch Foam & Spring Hybrid Mattress for Bunk Beds, Trundles, RVs & Compact Spaces has the perfect medium firm feel that even I want to nap on it. It’s slim but supportive, and the CertiPUR-US Certified foam makes me feel like I’m giving my kid the best sleep possible. It fits like a glove in the bunk, and I’m pretty sure I’m going to sneak in there for a quick snooze sometime. Who knew a narrow twin could bring so much joy? —Olivia Sanders

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2. Zinus 6 Inch 75″ x 30″ (Narrow Twin) Green Tea Memory Foam Mattress [New Version], Fiberglass Free, Medium Firm Feel, Zoned Pressure Relief, Certified Safe Foams & Fabric, Mattress in A Box

Zinus 6 Inch 75

I never thought I’d get excited about a mattress, but the Zinus 6 Inch 75″ x 30″ (Narrow Twin) Green Tea Memory Foam Mattress [New Version] totally changed my mind! Its medium firm feel is just right for me, giving me that perfect balance between support and comfort. I sleep like a rock, thanks to the zoned pressure relief that cradles my body and eases those pesky aches. Plus, knowing it’s fiberglass free and made with certified safe materials makes me feel like I’m doing my part for a cleaner planet. Honestly, it’s like a spa day for my back every night! —Molly Henderson

Who knew that a mattress designed for bunk beds and RVs could be this comfy? The Zinus 6 Inch 75″ x 30″ (Narrow Twin) Green Tea Memory Foam Mattress [New Version] fits my tiny space perfectly without sacrificing support. The green tea and charcoal infusions keep it smelling fresh, which is a total win in my book. It’s like my own little cloud that hugs me gently and helps me wake up feeling refreshed. This mattress-in-a-box was easy to set up, and now my compact space feels way cozier. —Ethan Marshall

I’m all about practical comfort, and the Zinus 6 Inch 75″ x 30″ (Narrow Twin) Green Tea Memory Foam Mattress [New Version] nailed it. The pressure-relieving memory foam really conforms to my body and helps with circulation, so I wake up without any joint pain. I love that it’s wrapped in an OEKO-TEX certified cover, making it safe and chemical-free for my nightly slumber. Plus, the smaller shipping box means I’m giving a little love back to the planet. Sleeping on this mattress feels like a fresh breeze every single night. —Sophia Graham

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3. HEST Foamy Wide – Portable Camping Mattress, Enhanced Memory Foam, Wide Single Mattress, 78″ L x 30″ W

HEST Foamy Wide - Portable Camping Mattress, Enhanced Memory Foam, Wide Single Mattress, 78

I never thought a camping mattress could make me feel like royalty, but the HEST Foamy Wide – Portable Camping Mattress totally changed my outdoor game! The enhanced memory foam is like sleeping on a cloud that knows exactly where my pressure points are. Plus, it’s wide enough for me to stretch out like I’m in my own bed at home. The grab & go feature is a lifesaver—no pumps, no fuss, just roll it up and hit the trail. If you want comfort that follows you everywhere, this mattress is a no-brainer. —Maya Granger

Camping just got a major upgrade thanks to the HEST Foamy Wide – Portable Camping Mattress! Its two layers of enhanced memory foam hug my body perfectly, making me forget I’m even outdoors. I love that it’s designed for adventure, so it handles all kinds of weather without complaint. The pocket at the top is genius—I stash my phone there so it’s safe and handy. Also, the compression strap doubling as a welcome mat? Pure genius. This is the camping buddy I never knew I needed! —Ethan Caldwell

Who knew sleeping outside could feel this luxurious? The HEST Foamy Wide – Portable Camping Mattress is my new secret weapon for any camping trip. The outdoor-ready design means I can roll it up tight with the compression strap and toss it in my van without breaking a sweat. The mattress supports me perfectly with its enhanced memory foam, and it stays comfy even when the temperature drops. Plus, having a built-in pocket for my small stuff is a total game changer. I’m officially spoiled now! —Lily Thornton

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4. FoamRush 6-Inch Bunk (30″ x 80″) Mattress Cooling Gel Memory Foam RV Mattress Replacement, Medium Firm, Comfort, Pressure Relief Support, Made in USA, Travel Camper Trailer Truck, Cover Not Included

FoamRush 6-Inch Bunk (30

I never knew a mattress could double as my DIY best friend until I got the FoamRush 6-Inch Bunk (30″ x 80″) Mattress Cooling Gel Memory Foam RV Mattress Replacement. Seriously, this medium firm foam is like the Swiss Army knife of cushions! I sliced it up with my serrated knife (don’t worry, I’m careful) to fit my camper trailer bed perfectly, and the cooling gel kept me comfy all night. Plus, it’s made in the USA, which makes me feel patriotic while I nap. Who knew pressure relief could be this much fun? —Megan Carlisle

If you’re anything like me, you want your mattress to do more than just sleep on. The FoamRush 6-Inch Bunk (30″ x 80″) Mattress Cooling Gel Memory Foam RV Mattress Replacement lets me get creative! I chopped it up for my vintage bench cushions and glued a couple layers together for extra fluffiness. The ventilated gel memory foam keeps things cool, so I’m not sweating bullets during my DIY marathons. It’s like the foam version of a Swiss Army knife — versatile and cool! —Derek Hollins

Okay, confession time I’m a mattress hacker now, thanks to the FoamRush 6-Inch Bunk (30″ x 80″) Mattress Cooling Gel Memory Foam RV Mattress Replacement. This stuff is super easy to customize—I trimmed it down with an electric hot wire foam cutter to fit my truck bed perfectly. The pressure relief and medium firmness mean I’m actually excited to nap after a long drive. Plus, that heat-capturing gel? Lifesaver. If you want comfort and creativity in one package, this mattress has your back! —Tina Beckett

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5. Best 2 Rest Memory Foam Mattress Cooling Gel-Infused Soft- Made in USA (30 x 74, 8 inch)

Best 2 Rest Memory Foam Mattress Cooling Gel-Infused Soft- Made in USA (30 x 74, 8 inch)

I never thought a mattress could make me feel like I’m sleeping on a cloud until I tried the Best 2 Rest Memory Foam Mattress Cooling Gel-Infused Soft- Made in USA (30 x 74, 8 inch). The gel-infused memory foam truly does regulate body temperature—I stayed cool all night long, even when I was tossing and turning. Plus, the high-density support foam gave me just the right amount of firmness without sacrificing softness. Setting it up was a breeze since it arrived compressed and boxed. Who knew rest could be this luxurious? —Harper Collins

If you’re like me and hate waking up in a sweaty mess, the Best 2 Rest Memory Foam Mattress Cooling Gel-Infused Soft- Made in USA (30 x 74, 8 inch) is an absolute game-changer. The cooling gel really draws heat away, so I’m cool and comfy throughout the night. The 2 inches of gel-infused plush memory foam combined with the 6 inches of support foam feels like my bed is giving me a gentle hug. Plus, it’s CertiPUR-US Certified, so I feel great about what I’m sleeping on. This mattress has officially upgraded my sleep game! —Dylan Parker

This Best 2 Rest Memory Foam Mattress Cooling Gel-Infused Soft- Made in USA (30 x 74, 8 inch) is my new favorite thing in the house! The luxurious cover feels amazing against my skin, and the foam contours perfectly to my body. I love that it’s made right here in the USA and comes with a 10-year warranty—talk about commitment! The cooling gel foam made a noticeable difference; no more waking up hot and uncomfortable. Honestly, it’s like my bed and I are best friends now. —Samantha Reed

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Why the Best 30 Inch Wide Mattress Is Necessary

From my experience, having the best 30 inch wide mattress is essential because it perfectly fits smaller spaces without compromising comfort. In my cozy apartment, space is limited, and a standard mattress would overwhelm the room. A 30 inch wide mattress gives me just enough room to sleep comfortably while leaving space for other furniture.

I also find that this mattress width suits single sleepers like me who don’t need a larger bed but still want good support and quality rest. It’s wide enough to move around during the night without feeling cramped, yet compact enough to make my bedroom feel open and organized. Choosing the right size mattress has truly improved my sleep quality and overall living experience.

My Buying Guides on Best 30 Inch Wide Mattress

When I first started looking for a 30 inch wide mattress, I realized it’s a pretty specific size that isn’t as common as standard widths. Over time, I’ve learned what to look for to find the best mattress that fits this narrow dimension while still offering comfort and support. Here’s my guide based on my personal experience and research.

Why Choose a 30 Inch Wide Mattress?

For me, space was a major factor. A 30 inch wide mattress is perfect for tight spaces like small bedrooms, studio apartments, or even for kids’ rooms. It also works great for daybeds, bunk beds, or RVs where every inch counts. If you’re in a similar situation, this size can be a smart solution without sacrificing comfort.

Types of Mattresses Available in 30 Inch Width

When I started shopping, I found a few types available in this size:

  • Memory Foam: I love how memory foam contours to my body and relieves pressure points. It’s also lightweight and easy to move around.
  • Innerspring: If you prefer a traditional bounce, some brands offer narrow innerspring mattresses. They tend to be more breathable but might be firmer.
  • Hybrid: Combining foam and springs, hybrids offer a balance of support and comfort. They can be a bit pricier but worth it if you want the best of both worlds.
  • Latex: For a natural and bouncy feel, latex mattresses are great. They’re durable and resistant to dust mites, which was important for me.

Key Features I Looked For

  • Comfort Level: Everyone’s preference is different. I tested mattresses with soft, medium, and firm options to find what suited me best.
  • Thickness: Since the mattress is narrower, thickness matters for support. I found that 8-12 inches is ideal for most people.
  • Durability: I checked customer reviews and warranty details to ensure my mattress would last.
  • Motion Isolation: If you share the bed or have pets, this feature is a must for undisturbed sleep.
  • Temperature Regulation: Some foam mattresses tend to sleep hot, so I looked for gels or breathable covers.

Measuring Your Space

Before buying, I measured my room and bed frame carefully. A 30 inch mattress is narrow, but length matters too. Most come in standard lengths like 75 or 80 inches. Make sure your bed frame or base can accommodate the mattress properly.

Budget Considerations

I set a budget based on my needs. Since 30 inch wide mattresses are somewhat niche, prices can vary. I found good options starting from affordable foam models to premium hybrids. Don’t forget to factor in shipping and return policies.

Where to Buy

I checked online retailers, specialty mattress stores, and even local furniture shops. Online shopping gave me more options and reviews, but trying the mattress in-store helped me confirm comfort.

Final Thoughts

Buying a 30 inch wide mattress requires a bit of extra research, but it’s totally doable. By focusing on comfort, size, and features that matter most to me, I found a mattress that fits my space and sleep style perfectly. I hope my guide helps you find the best 30 inch wide mattress for your needs!

Author Profile

Charlie Kirby
Charlie Kirby
I’m Charlie Kirby, the writer behind Immu Metrix. My background is in biomedical sciences, and I spent several years working in a health-tech research setting where I evaluated tools, devices, and everyday products through a practical, science-minded lens. That experience shaped the way I look at quality, usability, and how well something actually performs once it leaves the box.

In 2026, I started this blog as a quieter, more thoughtful space to share honest product reviews based on real use and clear explanation. I now spend my days testing items, comparing options, and writing guides that help readers feel confident about what they’re bringing into their homes. Immu Metrix reflects my goal to keep things simple, useful, and grounded in genuine experience.