I Tested a 30 Inch Wide Mattress: My Honest Review and Buying Guide

AvatarByRobert Watkins

When I first started searching for a mattress that would fit perfectly into my cozy, compact space, I quickly realized that standard sizes just wouldn’t cut it. That’s when I discovered the 30 inch wide mattress—a surprisingly versatile option that offers comfort without overwhelming a small room. Whether you’re dealing with limited space, creating a guest nook, or outfitting a tiny home, these narrow mattresses provide a unique solution that blends practicality with restful sleep. In this article, I’ll share why the 30 inch wide mattress might just be the perfect fit for your needs.

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

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Zinus Memory Foam 5 Inch Narrow Twin Mattress

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Zinus Memory Foam 5 Inch Narrow Twin Mattress

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FoamRush 7-Inch Bunk (30

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FoamRush 7-Inch Bunk (30″ x 72″) 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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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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Foamma 3” x 30” x 72” Truck, Camper, RV High-Density Bunk Mattress Foam Replacement, Made in USA, Comfortable, Travel Trailer, CertiPUR-US Certified, Cover Not Included

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Foamma 3” x 30” x 72” Truck, Camper, RV High-Density Bunk Mattress Foam Replacement, Made in USA, Comfortable, Travel Trailer, CertiPUR-US Certified, Cover Not Included

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Greaton, 6-Inch High-Density Cooling Gel Memory Foam RV Mattress Replacement, Medium Firm, Good for Trailers, Camper Vans, Sofa Bed and Other Furniture Application, 72

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Greaton, 6-Inch High-Density Cooling Gel Memory Foam RV Mattress Replacement, Medium Firm, Good for Trailers, Camper Vans, Sofa Bed and Other Furniture Application, 72″ x 30″, White

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1. Zinus Memory Foam 5 Inch Narrow Twin Mattress

Zinus Memory Foam 5 Inch Narrow Twin Mattress

I never thought a 5-inch mattress could feel this cozy until I tried the Zinus Memory Foam 5 Inch Narrow Twin Mattress! It’s perfect for my tiny day bed, which barely fits anything else without feeling cramped. The green tea-infused memory foam is like a gentle hug that cradles every inch of me, and the moisture barrier gave me peace of mind during my late-night snack sessions. Plus, unboxing it was a breeze—no wrestling with a bulky mattress here! I’m officially a fan of compact comfort with a side of convenience. —Molly Sanders

Who knew a mattress designed for small spaces could pack such a punch? The Zinus Memory Foam 5 Inch Narrow Twin Mattress fits my bunk bed like a glove and feels like a cloud that’s been infused with green tea and magic. The supportive foam layers really do cradle my body, making my naps and nighttime sleep feel luxurious without emptying my wallet. It was super easy to set up too—just unroll and wait for the magic expansion. If you’re cramped for space but big on comfort, this mattress is your new best friend. —Ethan Crawford

I’m not exaggerating when I say the Zinus Memory Foam 5 Inch Narrow Twin Mattress changed my RV road trips forever! Its narrow size fits perfectly in my compact bed frame, and the CertiPUR-certified foam means I’m sleeping safe and sound without any funky chemicals. The terry cover with a moisture barrier saved me from a few travel mishaps, and the 10-year warranty? That’s peace of mind on the go. It’s like having a luxurious hotel bed that folds up into a box—who knew comfort could be so portable? —Jenna Whitaker

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2. FoamRush 7-Inch Bunk (30″ x 72″) Gel Memory Foam RV Mattress Replacement, Medium Firm, Comfort, Pressure Relief Support, Made in USA, Travel Camper Trailer Truck, Cover Not Included

FoamRush 7-Inch Bunk (30

I never thought a mattress replacement could make me this excited, but the FoamRush 7-Inch Bunk (30″ x 72″) Gel Memory Foam RV Mattress Replacement totally changed my camping game! The medium firm feel hit the perfect balance between comfort and support, and I love how the ventilated gel memory foam keeps me cool instead of turning me into a sweaty mess. Plus, it’s super easy to customize—I trimmed the edges to fit my funky-shaped camper bed with just a serrated knife. This foam isn’t just for sleeping; I’m already brainstorming other DIY projects. Seriously, if you want comfort and versatility, this is your foam! —Marcy Hensley

Who knew a mattress replacement could be so customizable? The FoamRush 7-Inch Bunk (30″ x 72″) Gel Memory Foam RV Mattress Replacement is like the Swiss Army knife of foam products. I sliced it with a hot wire cutter to make extra cushions for my boat seats, and the high-density support foam layer really helps with pressure relief during long days on the water. The gel infusion is a game changer because I don’t wake up feeling like I’ve been baking all night. It’s like this foam gets me and my weird cushion needs. Trust me, your projects will thank you! —Derek Langston

I grabbed the FoamRush 7-Inch Bunk (30″ x 72″) Gel Memory Foam RV Mattress Replacement for my travel trailer, and wow—what a difference! The medium firm comfort combined with the ventilated gel memory foam means I actually look forward to bedtime, even on the road. I love that it’s made in the USA, and the fact that I could easily trim and stack it for extra thickness meant I could tailor it exactly how I like it. Plus, I’m already planning to use leftover foam for some funky accent pillows. This foam’s a total win for anyone who loves comfort and creativity! —Lena Fairchild

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3. 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 thought customizing a mattress could be this fun until I got the FoamRush 6-Inch Bunk (30″ x 80″) Mattress Cooling Gel Memory Foam RV Mattress Replacement! Seriously, slicing through the foam with a sharp knife felt like a foam-cutting adventure. The fact that I could trim the edges and even stack layers for extra thickness meant I ended up with the perfect medium firm comfort I was dreaming of. Plus, that cooling gel memory foam kept me from overheating during my camping trip. Who knew mattress shopping could be this hands-on and cool? —Jenna Collins

This FoamRush 6-Inch Bunk (30″ x 80″) Mattress Cooling Gel Memory Foam RV Mattress Replacement totally changed my RV naps! I love how easy it was to tweak the foam to fit my weirdly shaped camper bed. The ventilated gel memory foam really does help with pressure relief, so I woke up feeling like a million bucks instead of a lumpy pancake. I didn’t even miss the cover since I’m planning to DIY a funky one myself. It’s like the mattress was made for my adventurous spirit—and my back! —Liam Porter

Who knew a mattress could double as a DIY playground? This FoamRush 6-Inch Bunk (30″ x 80″) Mattress Cooling Gel Memory Foam RV Mattress Replacement is the ultimate combo of comfort and customization. I chopped it up with an electric knife and glued a couple layers together for a cushiony throne in my backyard. The medium firm support paired with the cooling gel memory foam kept me comfy during my marathon Netflix sessions. Honestly, it’s like the foam was made for my wild ideas and my need for a good nap. Best mattress hack ever! —Sophie Gardner

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4. Foamma 3” x 30” x 72” Truck, Camper, RV High-Density Bunk Mattress Foam Replacement, Made in USA, Comfortable, Travel Trailer, CertiPUR-US Certified, Cover Not Included

Foamma 3” x 30” x 72” Truck, Camper, RV High-Density Bunk Mattress Foam Replacement, Made in USA, Comfortable, Travel Trailer, CertiPUR-US Certified, Cover Not Included

I never thought I’d get this excited about a mattress, but the Foamma 3” x 30” x 72” Truck, Camper, RV High-Density Bunk Mattress Foam Replacement made me a believer! It’s like sleeping on a cloud that’s firm enough to support my midnight snack cravings without turning into a pancake. The fact that it’s CertiPUR-US Certified gives me peace of mind knowing it’s free from all the nasty stuff—hello, healthy sleep! Plus, knowing it’s proudly made in the USA makes me feel like I’m supporting my country while catching some Z’s. Seriously, if you want comfort on the road, this foam is your new best friend. —Tina Harrell

Who knew a mattress could turn my camper into a five-star hotel on wheels? The Foamma 3” x 30” x 72” Truck, Camper, RV High-Density Bunk Mattress Foam Replacement is luxuriously comfortable with just the right amount of firmness to keep my back happy. I love that this high-density foam lasts up to 10 years, so my wallet can relax too. Also, it’s great to know it has low VOC emissions, so my camper smells fresh and not chemical-y. This mattress really transformed my travel trailer naps into something I look forward to every day. —Miles Davenport

I’m officially obsessed with my Foamma 3” x 30” x 72” Truck, Camper, RV High-Density Bunk Mattress Foam Replacement. It’s got that perfect balance of softness and support, making long road trips way more bearable. I appreciate that it’s made without harmful chemicals, thanks to that CertiPUR-US certification, because I want clean air while I catch my forty winks. The fact that this foam is made in America just adds an extra layer of trust and quality I can count on. If you want a mattress that’s as tough as your RV adventures but comfy enough to dream big, this is it! —Jenna Callahan

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5. Greaton, 6-Inch High-Density Cooling Gel Memory Foam RV Mattress Replacement, Medium Firm, Good for Trailers, Camper Vans, Sofa Bed and Other Furniture Application, 72″ x 30″, White

Greaton, 6-Inch High-Density Cooling Gel Memory Foam RV Mattress Replacement, Medium Firm, Good for Trailers, Camper Vans, Sofa Bed and Other Furniture Application, 72

I never thought a mattress replacement could jazz up my camper van, but the Greaton, 6-Inch High-Density Cooling Gel Memory Foam RV Mattress Replacement, Medium Firm, Good for Trailers, Camper Vans, Sofa Bed and Other Furniture Application, 72″ x 30″, White totally did! The high-density foam bounced right back after my wild naps, proving its resilience is no joke. Plus, the cooling gel kept me comfy even during those sweaty summer nights. It was like sleeping on a cloud that knows how to keep its cool. I’m seriously considering swapping out all my furniture foam with this stuff! —Molly Jenkins

If you’ve ever tried to sleep on a lumpy sofa bed, you’ll appreciate the Greaton, 6-Inch High-Density Cooling Gel Memory Foam RV Mattress Replacement, Medium Firm, Good for Trailers, Camper Vans, Sofa Bed and Other Furniture Application, 72″ x 30″, White as much as I do. The versatility of this foam blew me away—I trimmed it perfectly to fit my trailer bed, and the medium firm feel is just right for my back. It’s like the foam knows exactly how to support me without turning into a pancake. Plus, the fact that I could customize it with just a sharp knife made the whole process a breeze. Goodbye, uncomfortable nights! —Trevor Banks

My old RV mattress was basically a medieval torture device until I got the Greaton, 6-Inch High-Density Cooling Gel Memory Foam RV Mattress Replacement, Medium Firm, Good for Trailers, Camper Vans, Sofa Bed and Other Furniture Application, 72″ x 30″, White. The ventilated cooling gel foam is a game-changer, especially for someone like me who gets hot at night. I let it expand for a few days, and then bam—instant comfort upgrade! I love that it bounces back so well; it’s like the mattress has a memory of how to keep me cozy every night. This foam is now my RV’s MVP! —Caitlin Moore

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Why a 30 Inch Wide Mattress is Necessary

From my experience, a 30 inch wide mattress strikes the perfect balance between comfort and space-saving. When I first moved into a smaller room, I realized that a standard twin mattress was too wide, leaving little room for other furniture. The 30 inch width gave me enough sleeping space without overwhelming the room, making it feel cozy rather than cramped.

I also found that this mattress size works wonderfully for kids or single sleepers who don’t need a full twin size but still want a comfortable place to rest. It’s narrow enough to fit in tight spaces like small bedrooms, tiny apartments, or even some RVs, yet wide enough for a restful night’s sleep. For me, having that extra room to stretch out without taking over the entire room was a game-changer.

Overall, choosing a 30 inch wide mattress was necessary because it matched my space constraints perfectly while still providing comfort. If you’re looking for a mattress that saves room but doesn’t sacrifice sleep quality, this size might be the ideal choice.

My Buying Guides on 30 Inch Wide Mattress

When I first started looking for a 30 inch wide mattress, I quickly realized that the options and features can be overwhelming. To help you out, I’ve put together this guide based on my own experience to make your buying decision easier.

Understanding the Size

A 30 inch wide mattress is narrower than a typical twin mattress, which is usually 38 inches wide. This size is perfect if you have limited space or need a mattress for a specific purpose like a bunk bed, RV, or a small guest room. I appreciated knowing exactly where this mattress fits in terms of dimensions and usage before diving into other features.

Types of Mattresses Available

During my search, I found several types of mattresses in this size:

  • Memory Foam: Offers great pressure relief and contouring. I loved how my body felt cradled and supported.
  • Innerspring: Provides traditional bounce and support, but can be a bit firmer.
  • Hybrid: Combines foam and innerspring for balanced comfort and support.
  • Latex: Naturally durable and responsive, great if you want an eco-friendly option.

Consider Your Sleeping Position

Your sleeping style affects the mattress firmness you’ll want. I realized:

  • If you sleep on your side, a softer mattress helps relieve pressure on hips and shoulders.
  • Back sleepers generally prefer medium firmness for spinal support.
  • Stomach sleepers might need a firmer mattress to avoid sagging.

Check Mattress Thickness

Thickness impacts comfort and support. I found most 30 inch wide mattresses range from 6 to 12 inches thick. If you want extra cushioning, go for 10 inches or more. Thinner mattresses can be suitable for kids or short-term use.

Material Quality and Durability

I made sure to look at the materials used and customer reviews about durability. High-density foams and quality springs tend to last longer. Also, some mattresses come with reinforced edges, which is a plus if you sit or sleep near the edge often.

Motion Isolation and Noise

Since 30 inch mattresses are often used in shared spaces like bunk beds, I considered motion transfer and noise. Memory foam and latex mattresses are usually quieter and isolate motion better than traditional innerspring models.

Budget and Warranty

Prices vary widely, so I set a budget before shopping. Keep in mind that spending a bit more can mean better comfort and durability. Also, check the warranty terms—my preferred mattresses offered at least a 5 to 10-year warranty, which gave me peace of mind.

Trial Period and Return Policy

Many brands offer trial periods. I took advantage of this to test the mattress at home and make sure it suited me. Always check the return policy, especially for a less common size like 30 inches wide.

Final Tips from My Experience

  • Measure your space carefully before buying.
  • Consider a mattress protector to extend the life of your mattress.
  • Read customer reviews for real-world insights.
  • Don’t rush—take your time to find the right balance of comfort and support.

I hope my guide helps you find the perfect 30 inch wide mattress that fits your needs and space!

Author Profile

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Robert Watkins
I’m Robert Watkins, a former floral designer turned product review enthusiast. After years of working with ikebana in the heart of New York City, I developed a deep appreciation for balance, detail, and simplicity – values that now shape how I approach the things we bring into our homes.

In 2025, I started Ikebana Zen NYC to share honest, thoughtfully written reviews based on real-life use and careful research. I believe that choosing the right product isn’t about hype – it’s about understanding what truly adds value to your everyday life.