King Single Mattresses Australia

Find the best king single mattress tailored to your space, lifestyle, and comfort needs. Popular among Australian families for growing children, teens, guest rooms, or solo sleepers seeking extra room, the king single mattress offers an ideal balance between comfort and space efficiency. Whether you live in a Sydney apartment with limited floor area or a spacious suburban home, a king single mattress provides more length and width than a standard single, without the bulk of larger beds.

Explore our collection below to see why thousands of Australians trust Onebed for premium sleep solutions that fit perfectly in Australian homes.

best seller

Onebed Essential

A smarter sleep solution with adjustable firmness, breathable comfort, and stable support—perfect for everyday value and lasting quality

$800.00 $480.00

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highest rated

Onebed Original 11"

An upgraded classic with a taller profile, enhanced support zones, and adjustable firmness—designed to deliver custom comfort and zero motion transfer every night

$1,000.00 $600.00

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new

Onebed Max

Customisable modules and a 5-zoned pocket spring base combine with advanced layers for a hybrid mattress delivering breathable comfort and lasting support.

$1,750.00 $1,225.00

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Onebed Essential King Single Мattress

Layer-by-Layer Tweaking

Flip or reorder the three internal foams to shift from plush to firm whenever you like.

Breathable Auralux™ Foam

Offers memory-foam pressure relief with latex-style bounce while dispersing heat.

Cooling Gel Memory Core

Gel particles draw warmth away and ease pressure on shoulders and hip

Ergonomic 5-Zone Foundation

Density-mapped base keeps your spine in its natural curve and resists sagging.

Luxury Tencel® Cover

Silky, removable and moisture-wicking for a fresher, cooler surface.

Onebed Original Gen3 King Single Mattress

Mix-and-Match Firmness Layers

Flip memory and Auralux™ foams for medium or mid-firm comfort.

Extra-Tall 28 cm Build

Added height plus 5-zone base delivers stronger, targeted support.

Dual-Foam Cooling Combo

Auralux™ teams with gel memory foam to disperse heat and cushion joints.

Partner-Proof Motion Control

Foams absorb vibration, keeping light sleepers undisturbed.

Removable Tencel® Cover

Soft, eco fabric zips off for washing and stays cool to the touch.

Onebed Max King Single Mattress

5-Zone Pocket-Spring Core

Individually wrapped coils give buoyant support and pressure relief.

Breathable TPE Grid Layer

Hyper-elastic matrix flexes with your body and channels heat away.

Dual Cooling Foam Stack

Gel memory plus airy Auralux™ foam regulate temperature and contour joints.

Quick-Zip Firmness Flip

Unzip and reorder layers for medium-plush or medium support.

Sturdy Edges & Ventilated Mesh

Reinforced perimeter and mesh sides expand space and freshness.

King Single Mattress Sizes

The King Single mattress is perfect for growing children, teenagers, or solo adults who need more room than a standard single mattress.Its extra length provides more legroom, making it ideal for taller sleepers, while its compact width ensures it fits comfortably in smaller rooms without sacrificing comfort. At the same time, its relatively compact width allows it to fit comfortably in smaller bedrooms, apartments, and guest rooms typical of Australian urban housing, where space efficiency is essential.

King Single - 202 x 107 cm

In Australian homes, king singles are often favored for:

- Teenagers transitioning from a standard single who require more space without upgrading to a double bed.

- Solo adults in smaller dwellings wanting a spacious mattress that doesn’t dominate the room.

- Guest bedrooms and multi-purpose rooms that need flexible, space-conscious bedding solutions.

Benefits of Onebed King Single Mattresses

Premium Hybrid Construction

Onebed Max's Hybrid features combine the best elements of memory foam, latex, and pocket springs for maximum comfort and support

Temperature Control

The cooling gel memory foam and breathable open-cell layers regulate temperature, keeping your mattress cool during warm nights

Motion Isolation Technology

Ideal for uninterrupted sleep, even if your partner moves during the night

5-Zone Pocket Spring Support

Ensures your spine stays aligned with targeted support, enhancing your sleep quality

Reinforced Edge Support

Prevents the feeling of rolling off and provides a sturdier perimeter for extra sleeping space

FAQs
About King Single Mattresses

Is it worth getting a king single mattress?

Yes! It offers more space than a single, making it great for growing kids, teens, and solo sleepers.

Should I buy Single or King Single?

A single is compact, ideal for kids or small spaces. A king single provides extra room and comfort, perfect for growing sleepers.

Can an adult sleep on a King Single?

Yes! It’s spacious enough for solo adults while still being compact.

Which King Single mattress offers the best cooling?

All Onebed mattresses, have breathable, cooling layers for a comfortable sleep.

Experience Onebed’s Premium Comfort for King Single Sleepers

When it comes to quality sleep, you shouldn’t have to compromise on space or support. Onebed king single mattresses offer a perfect blend of luxury and practicality, designed specifically for Australian sleepers who need extra room without overwhelming their space. With innovative materials and expert craftsmanship, our mattresses deliver comfort that lasts night after night. Plus, with free delivery across Australia and a hassle-free 125-night trial, trying Onebed is completely risk-free.

Still deciding which mattress suits your needs? Check our comprehensive mattress size guide or learn about how often to change your mattress in Australia. Our blog is full of expert tips to help you get the most out of your mattress.

Ready to upgrade your sleep? Explore our king single mattress range today and join thousands of Australians waking up refreshed and pain-free. With our industry-leading 15-year warranty and dedicated customer support, Onebed has you covered from first night to every night.