Best King Mattress
in Australia 2024

Updated on October 30, 2023

What is the most comfortable King Mattress? This issue has been asked many times in the past, but each time it is asked, it seems that there is some confusion as to what is a great mattress.

A mattress that is of high quality should offer support and ease of use to the user, regardless of whether they’re asleep or sitting up straight. Your sleep quality greatly depends on the material of your mattress. There are many types of mattresses, but which one is the best mattress?

King mattresses are known for their high-quality construction and durability. To obtain the most value for dollars, you should consider the characteristics of every mattress. Let’s get started.

Best King Mattress in Australia

  1. Koala Mattress — Australia’s Best Overall
  2. Emma Mattress
  3. NOA Mattress
  4. OneBed Mattress
  5. Sleeping Duck Mattress 
  6. Atlantis King Mattress
  7. Eva Mattress
  8. Vital Ecosa Mattress
  9. Sleep Republic Mattress
  10. Macoda Mattress
  11. Ergoflex Mattress
Special Offer

1. Koala Mattress – Australia’s Best Overall

Koala Mattress

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Koala mattresses are designed to give you an undisturbed snooze every night. It doesn’t matter if you’re looking for an affordable mattress or something extravagant. There’s an option for you. We’ve tested three sizes: Original, Deluxe, and King sizes, and found all three exceptionally comfortable.

The Original size is the most basic choice, as the Standard and King models are worthwhile if you don’t have limited space. All three models come with the same comfort layer called KloudCell(TM) foam, which provides temperature regulation and helps keep your body temperature even throughout the night.

We loved the fact that Koala mattresses are designed with memory foam, meaning they mold themselves around your body shape. This keeps your spine aligned and reduces pressure points, ensuring you wake feeling refreshed and ready to take on the day ahead.

The three mattresses have pocket coils to reduce motion transfer so that you don’t wake in the morning feeling like you’re asleep on the floor.

The Koala mattress comes with the option of a 120-night trial, along with a 10-year warranty.


  • Price Range: $759 to $1,299
  • Mattress Type: Foam
  • Firmness: Medium (5)
  • Warranty: 10 Year Warranty
  • Trial period: 120 nights
  • Available sizes: Single, King Single, Double, Queen, King

Visit Koala

2. Emma Mattress 

Emma bed frame

The Emma King Mattress is an excellent option for anyone looking for a high-quality bedding solution. This mattress is constructed using only the finest materials available, including 100% Australian wool, which makes it incredibly durable and long-lasting. In addition, the mattress has been crafted using state-of-the-art manufacturing techniques that allow it to maintain its shape and durability over time.

The Emma mattress is a medium firm mattress with 3 comfort layers. These layers help distribute the pressure evenly throughout each sleeping position, minimizing partner disturbance, and a supportive layer that targets lower back pain and supports the spine during sleep. The cover protects against dust mites and allergens and prevents overheating.

The Emma mattresses come with 100-night trial periods and 10 years of warranty.


  • Durable construction ensures longevity.
  • No harsh or chemical substances are used in the production.
  • Premium Australian wool.
  • Non-toxic and hypoallergenic.
  •  Hypoallergenic cover fabric.
  • Suitable for sleepers with allergies.
  •  Certificates of conformity given by TGA.
  • Warranty duration for 10 years.
  • Free delivery within Sydney metro area.

Visit Emma

3. NOA Mattress

Noa Mattress

The NOA Mattress is one of Australia’s most popular brands of mattresses. They offer a range of hybrid mattresses that combine different materials to suit every sleeper type. This particular model features a combination of Tencel fabric, Gel Memory Foam, Pocket Springs, Cooling Gel Memory Foam, and Latex Foam.

The NOA mattress is a good choice for anyone looking for a comfortable mattress that provides support, comfort, and durability. It’s a good option for side sleepers because it allows their hips and shoulders to relax into the mattress while providing adequate cushioning. It’s also appropriate for lighter people since it doesn’t place too excessive pressure on the body.

NOA is a 10.9″ thick medium firm hybrid mattress that combines a high level of comfort and support with a reasonable price tag.

The NOA mattress is designed to provide a comfortable night’s rest regardless of whether you are a side sleeper, stomach sleeper, or back sleeper. This is why it’s ideal for individuals with different body sizes and shapes.

The NOA mattress features a unique construction of 3 layers: 1″ natural latex, 2″ gel-infused memory foam, and pocket springs at the bottom. This combination of three materials provides excellent temperature control and offers great support.

In addition, the mattress is very durable and resistant to dust mites, and mold. It can stand up to temperatures from -20degC up to 60degC as well as humidity levels of zero to 90 percent.


  • Price Range: $899 to $1,299
  • Mattress Type: Hybrid
  • Firmness: Firm (7)
  • Warranty: 15 Year Limited Warranty
  • Trial period: 120 nights
  • Available sizes: Single, Double, King Single, Queen, King

Visit NOA

4. OneBed Original King Mattress

Onebed Mattress

The One Bed Original King Mattress is an Australian-made mattress that has been tested extensively to ensure it provides years of reliable support and comfort. Its unique design permits customers to modify the bed frame or box springs to fit their personal preferences. The mattress also ensures maximum airflow throughout the night, keeping your body cool while maintaining a stable sleeping temperature.

The OneBed mattress is widely considered the best buy among Australians. The mattress is made with the most recent memory foam technology that gives you a comfy feeling and a peaceful snooze. With many different options, it lets people find a suitable mattress for every individual.

Memory foam mattresses are very popular due to the fact that they provide a comforting sensation during sleep. People suffering from arthritis or insomnia will love this mattress from OneBed. But, the material can warm up quickly in the summer times. Hot sleepers beware!

OneBed solves this problem by adding a 4cm latex layer underneath the memory foam. This keeps the mattress cool, preventing sleepers from overheating.

Another benefit of the OneBed mattress is the ability to change the top layer. You can swap to memory foam for an alternative that is more firm or opt for the soft version. This will allow you to modify your mattress to meet your preferences.


  • 100% Polyester Latex Foam
  • Non-toxic, fire-retardant foam
  • Hypoallergenic
  • Adjustable base for easy height adjustment
  • Fits both standard box springs as well as adjustable bases

Visit OneBed

5. Sleeping Duck Mattress 

Sleeping Duck Mattress

You can sleep like a duck! The Sleeping Duck Mattress is made with 100% polyester fiber fill for maximum support. It has been developed specifically for people who side sleepers and back sleepers.

The sleeping duck mattress is an innovative concept that uses foam technology to deliver comfort without compromising on support. Based out of Australia, Sleeping Duck has been around since 2014 and has grown to become one of the leading mattress brands. They are now launching their second-generation model called SD MachII. Sleeping Duck is an innovative hybrid mattress that comes with pressure relief as well as adjustable firmness options. You can choose between the traditional full-length model or the half-full-length version, based on how you sleep.

The Sleeping Duck mattress is one of the best-reviewed mattresses out there. The distinctive shape of their mattress permits users to pick the degree or level of firmness they want their mattress to feel. They are known for being durable and extremely comfy. If you’re looking for a great mattress, check out Sleeping Duck.


  • 100% Polyester Filled
  • Hypoallergenic
  • No memory foam
  • Soft and comfy
  • Made in Australia
  • Twin size available
  • King size available

Visit Sleeping Duck

6. Atlantis King Mattress

Atlantis mattress

Atlantis King Mattress is made from top-quality materials to ensure your sleeping experience is as comfortable as possible. The premium foam layers provide cushioning for your body while reducing pressure points, ensuring an incredible night’s rest. The memory foam layer conforms to your unique shape providing excellent support and relieving stress on joints. The luxurious cover offers comfort and cooling, keeping you comfortable all night.

Atlantis King Mattress offers an exceptional night’s sleep. The innovative design lets air circulate freely throughout the mattress while keeping your body temperature in check all night. This allows you to enjoy a comfortable snooze without feeling cold. With its firm support base, it provides superior pressure relief, which helps prevent aches and pains associated with sleeping on hard surfaces.


  • Premium Foam Layers
  • Memory Foam Layer
  • Luxurious Cover
  • Supportive Base
  • Conforms to Your Unique Shape
  • Reduces Pressure Points
  • Provides Excellent Comfort

Visit Atlantis

7. Eva King Mattress 

Eva Mattress

Eva King Mattress has been awarded as the best king mattress in Australia. The company has developed an innovative design that combines high-quality materials with advanced technology to give you the best comfort and ease of use.

EVA mattresses are designed to provide superior support and comfort to people who spend long hours sleeping on their backs, sides, or stomachs. The mattress features gel-infused memory foam that conforms to the shape of the body and provides excellent spinal alignment. In addition, EVA’s unique design includes 3 zones of 5 pocket springs per zone that keep the mattress stable even during the most restless times.

People who prefer a soft, plush surface without sacrificing back support will love the EVA mattress. Its firmness level lies somewhere between medium-soft and medium-firm. It is recommended for those who weigh more and need more support.


  • Top Quality Fabric and Materials.
  • The cover is soft and cozy, including the top layer.
  • A high-density foam core that is filled with Gel memory foam.
  • The mattress is perfectly shaped to your body to provide the most comfortable sleep.
  • Unique pocket springs design provides superior spinal alignment and support.

Visit Eva

8. Vital Ecosa Mattress

Ecosa Mattress

Ecosa Mattress is made up of 5 layers of high-quality materials that provide exceptional support and durability. This mattress provides maximum support and relief from back pain. The mattress has been specially crafted to deliver superior comfort and pressure point relief. With its unique design, it offers excellent airflow throughout the bed, which helps to regulate your body temperature and prevent overheating.

Ecosa is one of Australia’s leading mattress brands. They are known for creating high-quality products that provide excellent sleep experiences. In fact, their original mattress received a perfect score of 10 out of 10 in customer satisfaction. It led to the launch of a second mattress known as the Vital mattress. The Vital mattress combines the best qualities of the two pocket coil mattresses.

The Vital mattress provides superior support while maintaining softness and breathability. It comes with two distinct types of memory foam. It provides a more firm feel for those who prefer it but is also soft and more comfortable for those that want it with a soft, luxurious feeling. Both layers use open cell technology for improved airflow and ventilation. These features let you have a good night’s sleep without feeling hot.

Another feature unique to the Vital mattress is the adjustable firmness level to suit individual preferences. You can alter the degree of firmness by simply pressing a button near the bottom of the mattress. If you’d like more firmness, you can simply press the button. On the flip side, if you prefer a more soft mattress, push up on the button.

The last layer of the Vital mattress is comprised of pocket coils. Pocket coils are placed under the top layer of foam to provide additional support where needed. The mattress gets the required support, but without becoming too hard or uncomfortable.

If you’re looking for a good night’s sleep, look no further than the Ecosa Vital mattress.


  • Provides superior comfort and support as well as pressure relief.
  • Specifically designed to provide the best support and alleviate back pain.
  • Designed specifically to ensure optimal air circulation and ventilation.
  • Provides an ice-cold sleeping surface.
  • Breathable fabric cover.
  • Hypoallergenic cover.
  • Non-toxic, safe, and washable.
  • Free of harmful chemicals used.
  • Eco-friendly product
  • 100% Polyester fillings
  • Super soft and plush feel
  • Durable construction

Visit Ecosa

9. Sleep Republic Pocket King Spring Mattress

Sleep Republic Mattress

Sleep Republic Pocket Spring Mattresses are made of high-quality materials and have been thoroughly tested to ensure that they conform to Australian standards. This mattress has a pocket-sprung construction which gives it a firm yet supportive base while providing excellent pressure relief. This mattress is suitable for people who need moderate to firm levels of support and ease.

Sleep Republic is a new brand of mattresses designed to give you the best night’s sleep possible. They combine the firmness of latex mattresses with the pressure relief of memory foam to provide a comfortable bed while giving you the support you need. Their unique design features pockets that are strategically placed across the mattress to give more support where it’s required the most. They can also keep the comfort of memory foam even when they make use of a mix of different materials.

The Sleep Republic Mattress uses a unique construction method called “zoned pocket spring technology,” which creates zones of different firmness throughout the mattress. Zones of different firmness allow for more efficient alignment of the body and less transfer of motion during movements. This helps keep the spine aligned and reduces pressure points along the spine. This results in a more restful night’s sleep.


  • Medium to Firm Level of Support
  • Reversible
  • Soft & Plush Top Layer
  • Breathable Cover Material
  • Anti-Dust Mite Coating
  • Low Motion Transfer
  • Hypoallergenic Foam

Visit Sleep Republic

10. Macoda Mattress 

Macoda Mattress

Macoda mattresses are designed to keep you cool during those scorching Aussie summers. They utilize thousands of tiny glass microspheres that help to trap air within the mattress, which makes it perfect for sleeping in the sunlight. These tiny spheres function as mini air conditioners that keep you cool all night long.

The Macoda mattress is one of those products that makes you wonder why it hasn’t been around forever. This hybrid mattress combines the best features of traditional mattresses with innovative technology to provide the ultimate sleeping experience. Its cooling properties are second to none; thanks to the thousands of tiny air pockets incorporated into its memory foam layers, it provides exceptional airflow and comfort. And because it is constructed entirely out of natural materials, it is hypoallergenic and eco-friendly.

The best part about Macodas is that they don’t just make you feel comfortable while you sleep; they also look pretty darn good doing it. They are made from a blend of bamboo and memory foam. The bed is smooth on the skin and looks stunning against the wall.

You might think that a mattress full of glass microbeads sounds dangerous, but rest assured that Macodas are safe for everyone. They are biodegradable, and won’t cause harm to the environment. Furthermore, there’s no danger of allergic reactions as they’re not toxic.


  • Price Range: $750 to $1,250
  • Mattress Type: Hybrid
  • Firmness: Medium firm (6)
  • Warranty: 10 Year Warranty
  • Trial period: 100 Nights
  • Available sizes: Single, King Single, Double, Queen, King

Visit Macoda

10. Ergoflex Mattress 

Ergoflex Mattress

The Ergoflex mattress was launched in 2018 and quickly became a hit amongst Australians suffering from back pain. This is due to the distinctive design of the mattress that offers excellent support when sleeping. In fact, it has been rated among the best orthopedic mattresses in the world.

Apart from providing great sleep, the mattress can provide cooling as you rest. This is due to the specific materials that are used in its design and its capacity to absorb heat. It is also hypoallergenic and anti-microbial. This makes it ideal for those suffering from asthma or allergies.

Furthermore, the mattress is designed to support your spine in a proper way. This helps you avoid discomfort and pain during the night. Also, it increases blood circulation throughout the body. This keeps muscles in good shape.


  • Price Range: $999 to $1,849
  • Mattress Type: Foam
  • Firmness: Medium Firm (6)
  • Warranty: 10 Year Limited Warranty
  • Trial period: 30 nights
  • Available sizes: Single, Long Single, King Single, Double, Queen Size, King Size

Visit Ergoflex

How to choose the best mattress for you

Choosing the right and the best mattress is important. There are many types of mattresses available today, such as memory foam, latex, hybrid, waterbeds, adjustable beds, orthopedic mattresses, air mattresses, and traditional spring mattresses. Each comes with its own advantages as well as disadvantages. Some offer better sleep positions, while others provide greater pressure relief. Additionally, certain models offer more comfort than others. There isn’t one right solution. All it boils down to personal taste.


Breathability of mattresses to keep you cool

One of the key features of any mattress is breathability. To get a good night’s sleep, you need to breathe freely. Air circulation can help keep your body cool in the summer and warm in the winter months. Mattresses that do not allow enough airflow may cause overheating and sweating. They also can trap moisture and heat under the body.

Breathable mattresses are made up of materials such as polyester, cotton, wool, and latex. These materials allow air to flow freely throughout your body and prevent moisture accumulation. They’re also known for keeping you cool in the summer heat.

Pressure Relief

Another important feature of a mattress is pressure relief. Your spine is directly on the mattress’s surface. As your shoulders and head are buried in the mattress, your spine is flattened. This means that the natural curvature in your back becomes removed. In time, this can lead to pain and muscle strain. Mattresses that ease pressure are thus essential to ensure optimal spine alignment.

A pressure-relieving mattress features layers of foam designed to absorb pressure points and relieve discomfort. Some models feature memory foams that allow contouring to the shape of your body. Others make use of gel technology to give support and ease of use.

Sleep Position

Side sleeping position best mattress

A third factor to consider when buying a new mattress is your preferred sleep position. Many people are back sleepers. Others prefer to sit up straight in order to avoid neck, shoulder, and/or back pain. For those who suffer from chronic insomnia or restless leg syndrome, a firm mattress with a high level of support may be necessary.

Many companies offer adjustable bases that let you adjust your mattress into various positions, including the stomach, side, back, and even a wedge.

Trial Period

What is the recommended time to test before making a final decision? The majority of manufacturers suggest trying the mattress for at least 30 days. During this time, you will need to adjust to sleeping on the new mattress. Don’t expect immediate comfort after purchasing a new mattress. It takes time to adapt to a new setting.


Mattress customization lets you select between different levels of firmness and other layers. This gives you more of the ability to control your comfort. While some mattresses come preassembled, others need to be assembled. No matter if you build your own mattress or employ another person to build this for you, selecting the right mattress is a matter of enjoyment! Choose a design that appeals to you. Check them out yourself.

Do I need to buy mattresses on the internet?

Buying a mattress online offers a variety of advantages over buying one from a store. There are, however, negatives too. Here are the facts you should know about buying mattresses on the internet.

However, online shopping could help you save time. You don’t have to go out searching for the best deal; you simply browse through the different products offered by the retailer and choose the one that suits your needs.

Buying mattress online

You’ll save money as you do not have been paying sales tax as well as you don’t have to pay shipping and handling fees. In addition, you avoid having to look for parking spaces near showrooms where you could end up spending hours. Additionally, you don’t have to think about the perfect location to store your mattress after you’ve bought it.

However, there are disadvantages too. For instance, most retailers charge extra for delivery. It could cost more than $50 for a box. This makes the purchase more expensive it also makes the process of purchasing longer.

The mattress’s performance cannot be guaranteed either. Most online retailers sell mattresses sold by third parties. These mattresses are often cheaper, but they’re definitely not as good as those produced by reputable mattress brands.

Some online retailers also offer a free trial period. However, you’ll likely be required for you to enter into a written contract that binds you to the business. If at a later date, you decide to return the item, it’s not simple.


How much will a good King dimension mattress run?

A high-quality king-sized mattress will cost between $1000 and $2500, based on the type of mattress. The best mattresses are made from natural materials such as cotton and wool. These types of mattresses offer better support for your body than synthetic ones do. They also provide an extremely comfy and cool sleep space. However, they can be costly.

What’s the difference between Tempur and other memory foams?

The main difference between Tempur and all other memory foam mattresses is their unique design technology. This allows for a softer feel while still offering support, which makes it perfect for side sleepers. Other foam mattresses can be too soft or hard, which can cause discomfort.

Do I really require a bed that is king-sized?

A king-sized bed is typically designed for couples who wish to sleep together and are made to be able to sleep two individuals. If you’re not averse to sleeping on your own and want to be able to sleep alone, then a queen-sized bed is a good alternative. The beds of king sizes are generally bigger as well as longer, and heavier than those that are queen-sized. Also, they have more expensive prices.

How do you think a king-sized mattress will last?

A King mattress lasts around 10 years if it is used correctly. Some mattresses will have a loss of up to 30 percent of their period after just 6 months of usage. The most effective way to prolong the lifespan of your mattress is to buy an alternative one when it begins to lose firmness. If you do not want to replace your bed, then try sleeping on a memory foam mattress which tends to be less expensive.

What kind of guarantee can I get for the king-size mattress?

A mattress of the king size comes with a warranty of one year. It means that if something happens to the mattress within the first year, the manufacturer will repair or replace it at no cost. The warranty covers manufacturing defects as well as normal wear and wear and tear. If you experience problems after the first year, you’ll need to contact customer support.

Will an innerspring king mattress last longer?

Yes! An Innerspring mattress is designed to be durable and provide long-lasting comfort. The coils inside an innerspring mattress move independently from one another, which prevents sagging and provides support for the sleeper. If you want a mattress that lasts longer, consider buying a quality innerspring mattress.

Do I choose latex or memory foam?

Memory foam mattresses are great for sleepers who wake up feeling stiff and sore after sleeping on a standard mattress. Latex mattresses are much softer and provide better support for back pain sufferers. However, they tend to be less durable and require frequent replacement.

Should I be concerned about purchasing a cheap king-size mattress?

A cheap king bed signifies that you’re buying an item that was poorly constructed. Its quality can differ from average to poor in relation to how they’ve been made. They also tend to sag after a while, which could lead to back pain. If you want better sleep quality, then consider buying a high-quality mattress instead of a cheap one.

What type of bed frame should I buy for my king size mattress?

A bed frame that’s king-sized is expected to support mattresses at least 6 inches in thickness. Some brands offer adjustable frames, which allow for different-sized mattresses. The most efficient method for finding out what size of bed frame is king-sized need is to measure the thickness of your mattress. The space is between the top between your mattress’s bottom and the box spring. If you aren’t sure what size your mattress is, you can call your local mattress retailer and request assistance to find out.

Bree Taylor - Lead Editor

Lead Editor

Bree is an interior designer with a passion for helping people improve their sleep quality.

She specializes in creating comfortable and functional bedroom spaces that promote a good night’s rest.

When she’s not testing mattresses or helping people get the best rest possible, Bree loves to travel and explore new cultures.