Double Mattresses

Koala double mattresses are made for sleepers who want that sweet spot between saving space and stretching out in comfort. These double bed mattresses suit couples in cosier bedrooms, solo sleepers who like a bit more room, and guest spaces that need to feel properly inviting. With supportive comfort layers, easy mattress-in-a-box delivery and options designed for real Australian homes, this range makes it easier to find a setup that feels good night after night.
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    Luxe comfort
    Bedroom setting with a light grey upholstered bed frame and mattress, beige pillow, and a knit throw. Minimalist decor includes frames and a lamp.
    Mattress infographic on dark green background detailing a seven-zone support core for head to feet; emphasises contouring to body curves.
    Koala Luxe Mattress
    Close-up of a cream mattress with green edging and a "koala" label, resting on a textured base. Background features a blurred beige chair and a round table.

    Koala Luxe Mattress

    (897 reviews)

    Koala Luxe Mattress

    Ultimate luxury comfort & support

    Double • 4 Sizes
    Save $627
    $1,463
    $2,090 $1,463
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    Classic comfort
    Bedroom with wooden bed frame, green mattress, and pastel pillows. Wall art and a lamp decorate the neutral-toned room.
    Mattress with essential ergonomic support features, highlighting three zones: shoulders, hips, and legs. Text on muted green background.
    Koala Mattress
    Koala Mattress

    Koala Mattress

    (2952 reviews)

    Koala Mattress

    Bestseller for comfort & support

    Double • 5 Sizes
    Save $345
    $805
    $1,150 $805
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    Koala OG Mattress
    Koala OG Mattress
    Koala OG Mattress
    Koala OG Mattress

    Koala OG Mattress

    (27949 reviews)

    Koala OG Mattress

    Support where you need it

    Double • 5 Sizes
    Save $255
    $595
    $850 $595
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    Premium comfort
    Minimalist bedroom with a wooden bedframe, green mattress, and white bed linens. A side table with a white lamp and decorative objects in the background.
    Mattress with advanced ergonomic support, featuring a white and grey five-zone design for tailored body contouring.
    Koala Plus Mattress
    Close-up of a mattress with a dark green cover featuring the "koala" logo and eco-friendly certification symbols, on a wooden bed frame.

    Koala Plus Mattress

    (1504 reviews)

    Koala Plus Mattress

    Advanced cooling & pressure relief

    Double • 6 Sizes
    Save $435
    $1,015
    $1,450 $1,015
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Shop Double Mattresses For Everyday Comfort

Double Mattresses That Balance Comfort And Support

Double mattresses in this range are built to help you sleep more comfortably without taking over the whole room. Whether you like a softer feel for pressure relief or a firmer feel for extra support, these designs suit different sleep styles and body types. Side sleepers can enjoy more cushioning around the shoulders and hips, and back sleepers can get steadier support through the spine. Looking for a double bed mattress that feels comfy for nightly sleep and still supportive enough for waking up without aches? This collection is made for that exact balance.

Double Bed Mattresses For Couples, Guests And Smaller Rooms

These double mattresses work well in real-life bedrooms, from compact main bedrooms to spare rooms and shared homes. A double bed mattress gives couples a practical option when floor space is tighter, and it gives solo sleepers extra room without stepping up to a queen. Mattress-in-a-box delivery makes these mattresses easier to move through stairwells, lifts and narrow hallways, which is a big plus in apartments and older homes. The result is a mattress range that fits your room more easily and still gives you a proper sleep setup.

Shop similar collections: All Mattresses | Single Mattresses | King Single Mattresses | Queen Mattresses | King Mattresses

Double Mattresses Backed By Easy Delivery And Koala Comfort

Koala double mattresses are designed to make the whole upgrade feel simple, from fast delivery to a 120-night trial and long warranty coverage. Thoughtful comfort layers help with pressure relief, airflow and reduced partner disturbance, so these double bed mattresses are built for more than just a quick lie-down in the showroom. Koala focuses on comfort, practical design and more responsible materials, which makes this range a smart choice for everyday sleep, guest-ready spaces and homes that need furniture to work hard without feeling complicated.

Green delivery van with "koala" branding parked in a driveway. A person unloads a large brown box from the van. Lush greenery surrounds the scene.

Free, same-day mattress delivery

Order by 3pm on weekdays and enjoy same-day delivery in metro areas. All mattresses are delivered for free Australia-wide.

No hidden fees—just fast, free delivery.

Find out more
  • Woman sleeping on a white mattress, covered with a white duvet. Behind, a wooden headboard, and framed artworks on the wall.

    Buy it, get it, try it

    Take up our 120 day trial to see if it's the right match for you.

  • Woman excitedly stands next to an assembled wooden bed frame. A large cardboard box labeled "koala" is on the floor. Minimalist room decor.

    Not for you? Return it.

    Contact our customer service team to return it. We'll refund you the full purchase price you paid for your Koala product(s).

  • Showroom of sofas and armchairs in light grey and blue, with "Koala Second Home" text overlay; furniture recovery and factory outlet.

    We re-use or recycle

    Returned products are sent to Koala Second Home, donated to charity, or recycled into carpet underlay.

FAQs about double mattresses

What are the dimensions of a standard double mattress, and will it fit in my bedroom?

We offer a range of mattress sizes, from single to king, ensuring you can find the best fit for your bedroom layout. Our double mattresses are ideal for most standard bedrooms, but always check the width and length of your bed frame and available space before purchasing your new double mattress to prevent overcrowding. Consider checking our single mattress options when working with limited space, such as guest rooms.

How does the firmness level of a double mattress impact sleep quality, and which firmness is best for different sleeping positions?

Firmness plays a major role in sleep quality. Side sleepers generally benefit from a soft mattress that conforms to any figure, especially around the hips and shoulders. Back sleepers prefer a medium-firm mattress for spinal alignment, while stomach sleepers often prefer firmer options to maintain comfort and prevent sinking.

What are the warranty and return policies for your double mattress?

If you’re unhappy with the comfort level of your Koala mattress within 120 nights, you can return it and receive a full refund. And don’t forget, all our mattresses come with a 10-year warranty, so you can rest easy.