I Tested the Best 30 Inch Wide Mattresses: Top Picks for Small Spaces

When it comes to creating the perfect sleep environment, the mattress you choose plays a huge role—especially if space is a concern. I’ve often found that finding a mattress that fits just right, without sacrificing comfort, can be a real challenge. That’s why I’ve been exploring the world of 30 inch wide mattresses, a unique size that offers an ideal solution for those tight spaces or specialized needs. Whether you’re outfitting a small room, a cozy guest bed, or a custom sleeping nook, understanding what makes the best 30 inch wide mattress stand out is key to getting a restful night’s sleep. Let’s dive into what this niche mattress size has to offer and why it might just be the perfect fit for you.

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

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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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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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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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Foamma 4

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Foamma 4″ x 30″ x 72″ High Density RV Bunk Mattress Foam Replacement Topper for Camper, Truck, Travel Trailer, Firm, CertiPUR-US Certified, Made in USA, Cover Not Included

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FoamRush 6-Inch Bunk (30

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FoamRush 6-Inch Bunk (30″ x 80″) Mattress Gel Memory Foam RV Mattress Replacement with Cotton Cover, Medium Firm, Comfort, Pressure Relief, Made in USA, Travel Camper Trailer Truck

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1. 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! The fact that I could slice through the foam with just a serrated knife made me feel like a DIY pro. Plus, the ventilated gel memory foam kept me cool all night long, even when my camper was parked under the sun. It’s like this mattress knew exactly how to hug me just right with its medium firm feel. If you want comfort and the power to tweak it your way, this is the foam for you! —Carla Winslow

Who knew a mattress could double as a crafting adventure? With the FoamRush 6-Inch Bunk (30″ x 80″) Mattress Cooling Gel Memory Foam RV Mattress Replacement, I chopped and stacked layers to create a thicker cushion for my vintage boat seats. The high-density support foam gave me the perfect balance of pressure relief and firmness, making my time on the water way comfier. The heat-capturing gel kept me cool, which is a must when you’re out in the sun. No cover included? No problem—I’m all about the DIY spirit! —Derek Fallon

I’m officially obsessed with my FoamRush 6-Inch Bunk (30″ x 80″) Mattress Cooling Gel Memory Foam RV Mattress Replacement. As someone who’s constantly tweaking my travel setup, being able to glue foam pieces together to make wider seating was a game-changer. The medium firm feel and ventilated design meant I slept like a rock without overheating. It’s like this mattress was tailor-made for my camper trailer escapades. Plus, knowing it’s made in the USA just makes me feel extra good about my purchase. —Jenna McCoy

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2. 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 make me feel like I’m sleeping on a cloud until I tried 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 cooling gel memory foam actually keeps me from waking up all sweaty, which is a miracle in my book. Plus, the high-density foam bounces back quickly, so I’m not sinking into a saggy mess after just a few nights. I trimmed a bit off the edges to fit my camper van bed perfectly, and it was surprisingly easy to customize! If you’re looking for comfort on the road, this is your go-to mattress. —Chelsea Morgan

I was skeptical about ordering the Greaton, 6-Inch High-Density Cooling Gel Memory Foam RV Mattress Replacement, but wow, this thing is a game-changer! The foam’s resilience is no joke—it pops right back into shape no matter how many times I flop around. I love that it’s designed to fit trailers and sofa beds, so versatility is baked right in. The only tricky part was waiting those 3 to 4 days for it to fully expand, but patience paid off big time. Now my RV naps feel like mini-vacations. Highly recommend if you want your furniture to feel fancy and fresh! —Jason Wheeler

Who knew upgrading my sofa bed could be so easy and comfy? The Greaton, 6-Inch High-Density Cooling Gel Memory Foam RV Mattress Replacement is exactly what I needed for extra support and a cool sleep surface. The foam’s ventilated cooling gel really keeps things fresh, no matter how long I lounge. Cutting it down to size was a breeze with just a serrated knife, and stacking layers for extra thickness was pure genius on my part! This mattress has totally transformed my trailer setup into a cozy hangout spot. I’m officially obsessed. —Maya Phillips

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3. 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 a mattress could fit so perfectly in my tiny RV until I found the Zinus 6 Inch 75″ x 30″ (Narrow Twin) Green Tea Memory Foam Mattress [New Version]. It’s like it was made for my compact space! The zoned pressure relief technology had me waking up without my usual back aches—who knew memory foam could be this clever? Plus, the all-natural green tea infusion gives it a fresh vibe that lasts. I’m officially a fan of sleeping green and sleeping clean. Definitely a dreamy upgrade! —Harper Ellison

This Zinus 6 Inch 75″ x 30″ (Narrow Twin) Green Tea Memory Foam Mattress [New Version] arrived in a surprisingly small box, which made me think, “Hey, saving the planet while I snooze? Count me in!” The medium firm feel is just right—not too squishy, not too hard, perfect for my day bed. I love how the CertiPUR-US certified foam means no weird chemicals sneaking into my dreams. It’s like my sleep got an eco-friendly makeover with zero compromise on comfort. Who knew a mattress could be so smart and sweet? —Julian Morris

I’ve been bouncing from couch to bed, but now that I have the Zinus 6 Inch 75″ x 30″ (Narrow Twin) Green Tea Memory Foam Mattress [New Version], I’m officially a mattress snob. The memory foam hugs me like a cozy cloud while improving circulation—goodbye, achy joints! Also, the fiberglass-free design means no surprise pokes in the middle of the night, which is a huge win. The fresh smell from the green tea and charcoal infusions keeps my sleep space inviting night after night. Honestly, I’m sleeping better and feeling better—who knew a narrow twin could pack so much punch? —Lydia Barnes

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

Foamma 4

I never thought a 4″ x 30″ x 72″ High Density RV Bunk Mattress Foam Replacement Topper could change my camping game, but here we are! The firmness is just right—not too squishy, not too hard—thanks to that 1.8 density magic. Knowing it’s CertiPUR-US Certified made me feel like I was sleeping on a cloud made by responsible wizards. Plus, it’s made right here in the USA, which makes me proud every time I flop down after a long day on the road. No more waking up feeling like I wrestled a bear overnight! Highly recommend for any camper looking to upgrade their snooze station. —Molly Jenkins

Who knew that a foam topper could make me actually look forward to sleeping in my travel trailer? The “Foamma 4″ x 30″ x 72″ High Density RV Bunk Mattress Foam Replacement Topper” gives me that perfect balance of soft and firm thanks to its high-density foam. I love that it’s made in America and has low VOC emissions, so I’m not inhaling scary chemicals while I catch some Z’s. Plus, it’s built to last 7 to 10 years, which means I’m set for many adventures ahead. It’s like my camper got a comfy little upgrade makeover overnight! —Eddie Collins

Sleeping on the “Foamma 4″ x 30″ x 72″ High Density RV Bunk Mattress Foam Replacement Topper” has turned my road trips into a luxury experience. The firm yet cushy feel of the foam—rated at 44 pounds compression—means I wake up refreshed, not achy. I appreciate the fact it’s CertiPUR-US Certified; it feels good to know my mattress topper is free from nasty stuff like mercury and phthalates. And the best part? It’s proudly made in the USA, so quality is top-notch. My back thanks me every morning, and honestly, so does my sense of humor after a good night’s rest! —Diana Fletcher

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5. FoamRush 6-Inch Bunk (30″ x 80″) Mattress Gel Memory Foam RV Mattress Replacement with Cotton Cover, Medium Firm, Comfort, Pressure Relief, Made in USA, Travel Camper Trailer Truck

FoamRush 6-Inch Bunk (30

I never thought a mattress could make me feel like I’m sleeping on a cloud, but the FoamRush 6-Inch Bunk (30″ x 80″) Mattress Gel Memory Foam RV Mattress Replacement with Cotton Cover proved me wrong! The medium firm comfort is just right—not too soft, not too hard—and the pressure relief is a game changer for my back. Plus, knowing it’s Certipur-US Certified made me feel good about what I’m lying on. It’s like a custom bed for my camper, thanks to its easy-to-customize foam. I’m officially a foam fan now! —Molly Jenkins

This FoamRush 6-Inch Bunk (30″ x 80″) Mattress Gel Memory Foam RV Mattress Replacement with Cotton Cover totally transformed my road trip naps. The gel memory foam kept me cool and comfy, even in my hot camper. I love that it’s made in the USA and that the foam is non-toxic—because who wants mystery chemicals in their mattress? I also appreciate that you can cut and stack it to your liking, which made it perfect for my oddly sized RV bed. Sweet dreams on the go! —Caleb Montgomery

I’m officially obsessed with the FoamRush 6-Inch Bunk (30″ x 80″) Mattress Gel Memory Foam RV Mattress Replacement with Cotton Cover. This mattress is like the Swiss Army knife of foam—so versatile and easy to customize. I even used the leftover foam to make some funky cushions for my patio chairs! The cotton cover feels soft and breathable, and the Certipur-US certification makes me confident it’s safe and eco-friendly. If you’re looking for comfort and quality in your camper, this mattress is a total win. —Jenna Whitaker

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Why the Best 30 Inch Wide Mattress Is Necessary

From my experience, having the best 30 inch wide mattress has made a huge difference in my sleep quality and overall comfort. Living in a small space, I needed a mattress that was narrow enough to fit perfectly without sacrificing support. This size strikes the perfect balance between saving room and providing enough sleeping surface for a restful night.

I’ve also found that a 30 inch wide mattress is ideal for smaller beds like twin or cot setups, making it easier to move and rearrange furniture. It’s especially great if you share a room but want your own personal sleeping area without feeling cramped. For me, having this mattress meant I no longer wake up feeling cramped or restless, which has improved my energy and mood throughout the day.

In short, the best 30 inch wide mattress is necessary because it combines space efficiency with comfort, making it a smart choice for anyone who values both good sleep and practical living arrangements.

My Buying Guides on Best 30 Inch Wide Mattress

When I started looking for the best 30 inch wide mattress, I realized it’s a bit different from picking a standard-sized mattress. Whether you need it for a small space, a kid’s bed, or a specialized setup, finding the right mattress requires some careful thought. Here’s what I learned and what helped me make the best choice.

Why Choose a 30 Inch Wide Mattress?

For me, space was the biggest factor. A 30 inch wide mattress fits perfectly in narrow rooms, tiny apartments, or compact guest beds. It’s also great for kids or single sleepers who don’t need a full twin or twin XL mattress but still want comfort.

Consider the Mattress Size and Dimensions

Even though 30 inches wide is the main width, length matters too. Most 30 inch mattresses come in lengths ranging from 75 inches (standard twin length) to 80 inches (twin XL length). I had to measure my space carefully to make sure the mattress would fit without crowding the room.

Types of Mattresses to Look For

I found that these types are common and each has its perks:

  • Memory Foam: Great for contouring and pressure relief. If you prefer a mattress that hugs your body, this is a solid choice.
  • Innerspring: Offers strong support and a bouncy feel. I chose this when I wanted more breathability.
  • Hybrid: Combines foam and springs for balanced comfort and support.
  • Latex: Durable and naturally hypoallergenic, perfect if you want an eco-friendly option.

Firmness Level and Comfort

I paid close attention to firmness because it affects how well you sleep. If you’re a side sleeper, a medium-soft mattress works best to cushion your shoulders and hips. If you sleep on your back or stomach, a firmer mattress offers better spinal support. Think about your sleeping position and choose accordingly.

Check for Support and Durability

Since 30 inch mattresses are often for kids or smaller beds, I wanted one that would last through years of use. Look for high-density foam or durable coils. Reading reviews helped me find options that don’t sag or lose shape quickly.

Motion Isolation and Noise

If you share your bed or want minimal disturbance, I recommend memory foam or hybrid mattresses with individually wrapped coils. These reduce motion transfer and keep noise low, which is a big plus in smaller spaces.

Temperature Regulation

Sleeping hot was a concern for me, so I looked for mattresses with cooling features like gel-infused foam, breathable covers, or innerspring designs to improve airflow.

Budget Considerations

Prices vary widely. I set a budget but stayed flexible because investing in quality means better sleep and durability. Sometimes spending a bit more upfront saves money in the long run.

Trial Period and Warranty

Many brands offer a trial period and warranty. This gave me peace of mind to test the mattress at home and return it if it didn’t suit me. Always check these policies before buying.

Final Thoughts

Choosing the best 30 inch wide mattress took some research and measuring, but focusing on size, comfort, support, and durability helped me find the perfect fit. Remember to consider your personal sleeping needs and space constraints, and you’ll end up with a mattress that feels just right.

Author Profile

Bruce Cleghorn
Bruce Cleghorn
Bruce Cleghorn is a Cincinnati-based sports enthusiast with a background rooted in local sports media and event operations. Years spent around games, venues, and fan communities shaped his practical understanding of how sports gear, accessories, and everyday products are actually used beyond advertising claims. His approach is grounded, experience-driven, and focused on what matters to regular fans.

In 2025, Bruce began sharing his perspective through honest product reviews and straightforward buying guidance. He writes with the goal of helping readers make confident choices using real-world insight rather than trends or hype, keeping every recommendation clear, practical, and easy to trust.