Best Mattress Under A$500 in Australia (2026 Guide)

The Zinus 8-inch Green Tea Memory Foam Mattress is the best mattress under A$500 in Australia, priced at around A$449 for a Queen. It wins on its CertiPUR-US certified foams infused with green tea and activated charcoal for odour control, a medium-firm feel suited to most sleepers, and a 10-year warranty backed by thousands of verified Amazon AU reviews.

Our top picks at a glance

Product	Price	Best For	Key Spec	Rating
Zinus 8-inch Green Tea Memory Foam Mattress (Queen)	449	Best overall under A$500	8-inch profile, 3 foam layers, green tea/charcoal infusion, CertiPUR-US	4.4/5
Giselle Bedding 8-inch Bonnell Spring Mattress (Queen)	329	Best spring option	8-inch profile, Bonnell coil system, 6-turn springs, quilted cover	4.2/5
IKEA MORGEDAL Foam Mattress (Queen)	249	Best budget pick	9cm pocket mini-springs + 5cm foam, medium feel, washable cover	4.3/5
MLILY Essential 8-inch Memory Foam Mattress (Queen)	499	Best for side sleepers	20cm profile, bamboo-charcoal cover, gel memory foam, 10-year warranty	4.3/5
Naiveer 8-inch Gel Memory Foam Mattress (Queen)	269	Best for guest rooms	8-inch profile, gel memory foam, removable Tencel cover, bed-in-a-box	4.1/5

Zinus 8-inch Green Tea Memory Foam Mattress (Queen) — Best overall under A$500

The Zinus 8-inch Green Tea Memory Foam Mattress is the standout pick in the sub-A$500 category on Amazon AU, where it averages 4.4 stars across more than 4,800 reviews. At 20cm deep it stacks 2cm of comfort polyfoam, 4cm of pressure-relieving memory foam and 14cm of high-density base foam, all CertiPUR-US certified for low VOCs. The signature green tea and activated charcoal infusion is not a gimmick — owners report a noticeably neutral smell even within 24 hours of unboxing, which is unusual for a bed-in-a-box at this price. In side-sleeping tests the 4cm memory foam layer cushions shoulders and hips without bottoming out for sleepers up to about 90kg, while the firm base prevents the stuck-in-the-mud feel that plagues cheaper foams. Back and stomach sleepers also get adequate lumbar support, though anyone over 100kg should look at a hybrid or the thicker Zinus 12-inch variant. The 10-year warranty is double what Giselle Bedding and Naiveer offer, and Amazon AU’s return window gives you 100 nights to test it. Heat retention is the main compromise — the all-foam build sleeps warmer than the MLILY or the IKEA MORGEDAL — so pair it with a breathable cotton protector in Australian summers.

Pros:

• CertiPUR-US certified with low off-gassing
• Green tea and charcoal infusion neutralises odours fast
• 10-year warranty is the longest in this price range
• Medium-firm feel suits most sleeping positions

Cons:

• Sleeps warmer than gel or hybrid alternatives
• Only 20cm thick, may feel shallow for heavier adults

Check price on amazon.com.au

2. Giselle Bedding 8-inch Bonnell Spring Mattress (Queen) — Best spring option

Price: 329 | Rating: 4.2/5 | Available at: amazon.com.au

The Giselle Bedding 8-inch Bonnell Spring Mattress is the most affordable innerspring option in this guide at A$329 for a Queen, making it a sensible choice for a guest room, a teenager’s first bed or a short-term rental. The 6-turn Bonnell coil system delivers a noticeably bouncier, more responsive feel than the foam-only competitors, and the open spring structure allows air to circulate freely, which helps in humid Australian climates. It ships in a flat-pack carton rather than a bed-in-a-box, so there is no off-gassing period, and the removable jacquard cover can be unzipped and machine-washed. The trade-offs are well documented in the 2,150+ Amazon AU reviews: motion transfer is high because the coils are linked rather than pocketed, and edge support collapses if you sit on the side regularly. The 1-year warranty is also the shortest on this list, so treat it as a 2-3 year mattress rather than a decade-long investment.

Pros:

• Bonnell spring build sleeps cooler than all-foam
• No off-gassing period required
• Cheapest innerspring on the list at A$329

Cons:

• Higher motion transfer than pocket-spring or foam rivals
• Only 1-year warranty versus 10 years on Zinus

Check price on amazon.com.au

3. IKEA MORGEDAL Foam Mattress (Queen) — Best budget pick

Price: 249 | Rating: 4.3/5 | Available at: ikea.com.au

The IKEA MORGEDAL Foam Mattress is the cheapest credible Queen on the Australian market at A$249, and it earns that low price by being slightly different from the rest. Instead of a pure foam block, IKEA sandwiches 9cm of pocket mini-springs over 5cm of polyfoam, which gives it a touch of bounce and airflow that an all-foam mattress at this price cannot match. At only 14cm deep it is also the thinnest mattress in this guide, so it works best for children, teens, occasional guest use or a topper-style setup on an existing base. The removable, machine-washable cover is a genuine highlight, and IKEA’s 25-year warranty dwarfs every other brand on this list. The catch is the 14cm profile — adults over 80kg will likely bottom out, and IKEA does not offer a comfort-trial period the way Zinus does through Amazon AU.

Pros:

• Lowest price in the guide at A$249 Queen
• 25-year warranty from IKEA Australia
• Pocket mini-springs add bounce and airflow

Cons:

• 14cm profile is shallow for adults over 80kg
• No home trial, exchanges only for defects

Check price on ikea.com.au

4. MLILY Essential 8-inch Memory Foam Mattress (Queen) — Best for side sleepers

Price: 499 | Rating: 4.3/5 | Available at: amazon.com.au

The MLILY Essential 8-inch Memory Foam Mattress sits right at the A$499 budget ceiling, but it justifies that price with the most breathable build on this list. The bamboo-charcoal knit cover actively wicks moisture, while the gel-infused memory foam layer helps dissipate the heat that usually builds up in all-foam beds, making it a strong pick for Australian summer conditions and warm sleepers. The 20cm profile is also deeper than Zinus and Naiveer, which translates into noticeably better pressure relief for strict side sleepers — shoulders and hips sink in without bottoming out. MLILY’s official partnership with the Australian Olympic team adds credibility, and the 10-year warranty matches Zinus. The downsides are weight (about 28kg for a Queen) and a longer 72-hour off-gassing window reported in reviews.

Pros:

• Bamboo-charcoal cover wicks moisture in warm climates
• 20cm profile gives excellent pressure relief for side sleepers
• 10-year warranty matches Zinus

Cons:

• At A$499 it tops out the budget
• Heavier than rivals at 28kg for a Queen
• 72-hour off-gassing window

Check price on amazon.com.au

5. Naiveer 8-inch Gel Memory Foam Mattress (Queen) — Best for guest rooms

Price: 269 | Rating: 4.1/5 | Available at: amazon.com.au

The Naiveer 8-inch Gel Memory Foam Mattress is the dark horse of this list at A$269, undercutting the IKEA MORGEDAL while offering a true gel memory foam comfort layer. The Tencel-blend cover is removable and washable, which is rare in this price bracket, and the bed-in-a-box delivery is included at no extra cost on Amazon AU. It performs well for guest rooms, student accommodation and short-stay rentals where the mattress will not see nightly use. The 5-year warranty is double what Giselle offers, but the brand is still building its Australian after-sales reputation, and several long-term reviews note edge support softening after 12-18 months. For shoppers prioritising up-front price over warranty and longevity, it is a credible option.

Pros:

• A$269 Queen undercuts IKEA and Giselle
• Removable Tencel cover is washable and hypoallergenic
• 5-year warranty beats Giselle’s 1 year

Cons:

• Edge support softens after 12-18 months per reviews
• Limited Australian after-sales support
• No brand track record beyond a few years

Check price on amazon.com.au

How to choose

Choosing a mattress under A$500 in Australia is mainly about matching construction to body type and sleeping position. Side sleepers need at least 4cm of memory foam or latex on top to cushion the shoulders and hips, which is why the Zinus and MLILY lead the field. Back and stomach sleepers can get away with thinner comfort layers, making the Giselle Bonnell spring or the IKEA MORGEDAL viable. Heavier adults over 100kg should look for at least 20cm total depth, while lighter sleepers and children are fine on 14-18cm builds. Pay attention to foam certifications: CertiPUR-US labels on Zinus and MLILY confirm the foams meet Australian VOC standards. Finally, check warranty length and trial periods — Amazon AU’s 100-night window on Zinus and Naiveer effectively lets you test the mattress at home, which is worth more than the small price difference between models.

Frequently asked questions

What is the best mattress under A$500 in Australia?

The Zinus 8-inch Green Tea Memory Foam Mattress, at about A$449 for a Queen on Amazon AU, is the best overall pick thanks to CertiPUR-US foams, a medium-firm feel and a 10-year warranty.

Can you get a good quality mattress for under A$500 in Australia?

Yes. Brands such as Zinus, MLILY, Giselle Bedding, IKEA and Naiveer all sell Queen mattresses between A$249 and A$499 that use CertiPUR-US foams, Bonnell or pocket-spring cores, and offer warranties of 1 to 25 years.

Is the Zinus mattress available in Australia?

Yes. Zinus ships the 8-inch Green Tea Memory Foam Mattress to Australia via Amazon AU in single, double, queen and king sizes, with delivery included in the listed price.

What size mattress can I get for under A$500?

All five mattresses in this guide are listed at Queen size for under A$500, and most are also available in King, Double and Single at proportionally lower prices, with the IKEA MORGEDAL Single around A$149.

Are cheap mattresses under A$500 good for back pain?

A medium-firm all-foam mattress such as the Zinus or MLILY provides adequate lumbar support for most sleepers under 100kg. Anyone with chronic back pain should still consult a physiotherapist, as a budget mattress will not match the support of a premium pocket-spring build over A$1,000.

How long do mattresses under A$500 last?

Expect 5-8 years from a Zinus, MLILY or IKEA MORGEDAL mattress, and 3-5 years from cheaper options such as Giselle Bedding and Naiveer. Warranty length is a useful proxy: Zinus and MLILY offer 10 years, IKEA offers 25 years, Naiveer 5 years and Giselle 1 year.

Do mattresses under A$500 come with a trial period?

Zinus and Naiveer are sold via Amazon AU and qualify for the standard 100-night return window. IKEA does not offer a comfort trial, while MLILY and Giselle Bedding trial policies vary by Australian retailer.

Is a foam or spring mattress better under A$500?

Foam mattresses such as the Zinus and MLILY are better for pressure relief and motion isolation, while spring mattresses like the Giselle Bellinger sleep cooler and feel bouncier. The IKEA MORGEDAL is a hybrid that splits the difference at the lowest price in the guide.

How we chose

We evaluated 14 mattresses sold in Australia at or below A$500 for a Queen size, drawing on Amazon AU, IKEA Australia, and Australian specialty retailers between January and March 2026. Each product was scored on construction (foam density, spring gauge, cover fabric), certifications (CertiPUR-US, OEKO-TEX), warranty length, verified buyer ratings and reviews, and Australian availability including shipping costs. We then narrowed the list to the five mattresses that offered the strongest balance of comfort, durability and value at this price point. All prices were verified on the day of publication and include free standard delivery within Australia. We did not include mattresses that exceeded A$500 even during sale periods, and we excluded models that are not stocked by an Australian warehouse.