What Is The Best Mattress For A Guest Room?

Buying a mattress for your guest room or spare bedroom sounds easy enough.

Until you realise you’re picking something for guests who all sleep differently, and you want them to actually sleep well.

Key Takeaways

• The best spare bedroom mattress is usually medium or medium-firm, offering support for all sleep styles without overcomplicating things.
• Mattress materials matter. Memory foam, pocket springs, and latex each bring unique benefits that help guests sleep better and feel supported.
• Look for practical extras like washable covers, sleep trials, and long warranties to keep your spare room ready for anything.

The best mattress for guest room comfort isn’t about high-end features or guesswork. It’s about choosing something reliable, welcoming, and ready for whoever walks through your door.

In this guide, we’ll walk you through the best mattress types, spare room considerations, and how to make your guest bed feel like a proper place to rest.

Jump to a section:

• Best Mattresses For A Guest Room
• Ideal Mattress Materials for a Guest Bed
• Considerations When Buying Mattress For A Spare Bedroom
• The Mattress Everyone Will Love
• FAQs

Best Mattresses For A Guest Room

These picks are built for comfort, flexibility, and all kinds of sleepers. Whether it’s a full-time guest room or a space that pulls double duty, they’re ready for anything.

Ecosa Mattress

Adjustable, breathable, and built to suit all kinds of sleepers.

The Ecosa Mattress is a flexible option for guest rooms, with three firmness levels to choose from. It offers solid spinal support, cooling comfort, and comes with a waterproof protector already packed in.

Why You’ll Love It:

• Adjustable firmness with 3 comfort levels to suit any sleeper
• Ergonomic support helps keep your guest’s spine in natural alignment
• Soft-touch TENCEL™ cover is breathable and removable for easy washing
• Naturally resistant to dust mites and common allergens
• Free waterproof mattress protector included in the box

Essence Mattress

Eco-friendly, affordable, and built for comfort that doesn’t cut corners.

The Essence Mattress delivers targeted support through zoned pocket springs and open-cell foam, with three firmness levels to suit all kinds of sleepers. It’s made using sustainable materials and designed to reduce partner disturbance, making it a great pick for shared or multi-use guest rooms.

Why You’ll Love It:

• Zoned pocket springs and ergonomic foam for pressure relief and spinal support
• Three firmness levels available: Plush, Medium, and Firm
• Soft, breathable cover made from TENCEL™ and recycled polyester
• Bio-foam and zero-waste materials for a more sustainable sleep
• Individual springs and foam comfort layer minimise partner disturbance

TrueFirm Mattress

Firm, flip-friendly, and built to support sleepers who like serious stability.

The TrueFirm Mattress is ideal for guests who prefer a sturdier sleep surface. With two firmness levels in one mattress, you can flip between Firm and Extra Firm depending on who’s staying. Latex, pocket springs, and a breathable cover keep things cool and supportive night after night.

Why You’ll Love It:

• Two firmness levels in one: flip to switch between Firm and Extra Firm
• Zoned pocket springs offer targeted pressure relief and spine support
• Natural latex on both sides adds responsive comfort and airflow
• TENCEL™ and recycled poly-blend cover helps wick away sweat
• Minimises motion transfer for guests who share the bed

Nimble Sofa Bed

Okay, it’s not a mattress. But it’s close enough for seriously good sleep. 

The Nimble Sofa Bed is a smart choice for spare rooms that double as living spaces. With five sleeping options and mattress-level comfort, it transforms from couch to king bed in seconds. Great for guests, renters, or anyone needing flexibility without giving up on comfort.

Why You’ll Love It:

• Converts from a 3-seater into a king, long single, or a relaxed lounger
• True hybrid support with pocket springs and high-density foam
• Medium-firm feel that suits most sleepers
• Reinforced edges prevent sagging and keep sleep stable

Ideal Mattress Materials for a Guest Bed

When you’re choosing a mattress for your guest room, firmness matters, but so do the materials. They affect comfort, durability, and how fresh the bed feels after weeks or even months of not being used.

Let’s look at the best mattress materials for a guest setup:

Memory Foam

✅ Comfortable, contouring, and low-maintenance

Memory foam moulds to the body to ease pressure around the hips, shoulders, and lower back. It’s great for guests who need extra cushioning or wake up feeling sore. 

It also absorbs movement, which helps when two people are sharing. For warmer climates, go with open-cell or gel-infused foam to avoid heat build-up.

Pocket Springs

✅ Supportive, breathable, and great for airflow

Pocket springs offer strong support without feeling rigid, adapting to different weights and sleep positions.

Zoned designs take it further by adding firmer support under hips and shoulders, making them ideal when you’re not sure who’s staying over.

Latex

✅ Naturally breathable, bouncy, and hypoallergenic

Latex feels cool, springy, and supportive, while naturally resisting dust mites and mould.

It’s a solid pick for allergy-prone guests and holds its shape well if your spare bed gets regular use.

Considerations When Buying Mattress For A Spare Bedroom

Guest mattresses have to walk the line between comfort, practicality, and space.

Here are a few things worth thinking about before you pick one:

Firmness Level

You won’t know if your guests sleep on their back, side, or stomach. That’s why a medium or medium-firm mattress is your safest bet. It cushions pressure points while still offering solid support for most body types and positions.

Size of the Room

Don’t squeeze a king mattress into a room that barely fits it. A queen mattress usually works well in guest rooms, offering plenty of room without taking over the space. If it’s a smaller room, a double or long single might be more practical.

How Often It’ll Be Used

Even if the mattress isn’t used every night, it still needs to hold up over time. Go for one made with quality materials that won’t sag, dip, or fall flat after a few weekends of visitors.

Keep Allergies in Mind

If you don’t know your guest’s sensitivities, it’s safer to play it clean. A hypoallergenic mattress with a washable cover is a smart choice. Look for materials that resist dust mites, moisture, and general guest-room mystery buildup.

Mattress Budget

You don’t have to spend a fortune to give someone a good night’s sleep. Look for a mattress that balances comfort and durability at a fair price. Sometimes the best spare bedroom mattress is the one that just quietly does its job well.

Check Sleep Trials and Warranties

A guest mattress might not get used right away, so it helps to have extra time to test it out. Look for a mattress with a risk-free sleep trial and a decent warranty. That way, if something’s off or it doesn’t feel right after a few uses, you’re covered without the stress.

The Mattress Everyone Will Love

You don’t need to guess every guest’s sleep habits to get the spare bed right. A mattress that’s comfy, supportive, and easy to keep fresh will do the job more often than not.

From adjustable firmness mattresses to flexible sofa beds, our Ecosa range is built to suit all kinds of sleepers. If you want your guest room to feel as inviting as the rest of your home, start with a sleep setup that’s made to please.

FAQs

What is the best mattress firmness for a guest room?

Medium or medium-firm is usually the safest option. It offers a balance of comfort and support that suits most sleep styles and body types.

How long should a guest mattress last?

With occasional use and proper care, a good guest mattress can last 8 to 10 years. Look for quality materials and always use a mattress protector to help extend its lifespan.

Is a sofa bed good enough for guests?

It can be, as long as it has proper support. Options like the Ecosa Nimble Sofa Bed include a real mattress with pocket springs and high-density foam, so guests aren’t stuck on a lumpy foldout.