King Size Mattress
- Premium Quality
- Stylish Designs
- Great Value
- Easy Returns
-
Giselle Bedding 24cm Mattress Pillow Top
Regular price From $150.23 AUDRegular price$237.99 AUDSale price From $150.23 AUDSale -
30cm Green Tea Memory Foam Mattress – Cooling Comfort with CertiPUR-US Certified Foam
Regular price From $542.92 AUDRegular price$729.95 AUDSale price From $542.92 AUDSale -
25cm Gel Memory Foam Mattress – Dual-Layered Comfort with CertiPUR-US Certified Foam
Regular price From $480.23 AUDRegular price$699.95 AUDSale price From $480.23 AUDSale -
Euro Top Pocket Spring Mattress – Motion Isolation Comfort with CertiPUR-US Certified Foam Layers
Regular price From $350.82 AUDRegular price$579.95 AUDSale price From $350.82 AUDSale -
Slumbr Evening Mattress
Regular price From $877.50 AUDRegular price$899.00 AUDSale price From $877.50 AUDSale -
Giselle Bedding Mattress 35cm Bed in a Box Pocket Spring Gel Memory Foam
Regular price From $274.24 AUDRegular price$566.99 AUDSale price From $274.24 AUDSale -
And Sleep Luxor Mattress
Regular price From $1,842.10 AUDRegular price$1,889.00 AUDSale price From $1,842.10 AUDSale -
22cm Giselle Mattress
Regular price From $126.04 AUDRegular price$249.99 AUDSale price From $126.04 AUDSale -
And Sleep Prime Mattress
Regular price From $3,685.50 AUDRegular price$3,779.00 AUDSale price From $3,685.50 AUDSale -
30cm Giselle Mattress
Regular price From $176.74 AUDRegular price$347.99 AUDSale price From $176.74 AUDSale -
20cm Giselle Mattress Bed Pocket Spring Mattresses
Regular price From $131.24 AUDRegular price$216.99 AUDSale price From $131.24 AUDSale -
25cm Giselle Mattress Bed Pocket Spring Mattresses
Regular price From $139.18 AUDRegular price$299.99 AUDSale price From $139.18 AUDSale -
16cm Mattress Giselle Bonnell Spring
Regular price From $110.45 AUDRegular price$157.99 AUDSale price From $110.45 AUDSale -
Giselle Bedding Cool Gel Memory Foam Mattress Charcoal 7-Zone Washable Bamboo Cover
Regular price From $142.49 AUDRegular price$232.99 AUDSale price From $142.49 AUDSale -
26cm Mattress Bed Giselle
Regular price From $154.65 AUDRegular price$242.99 AUDSale price From $154.65 AUDSale -
RoomSense Mattress , 30cm Firm Hybrid Mattress with Latex Lumbar Support for Back Pain Relief , Pocket Spring Mattress in a Box
Regular price From $243.04 AUDRegular price$366.99 AUDSale price From $243.04 AUDSale
Need help choosing?
Our team is here to help you find the perfect product for your space.
Shop King Size Mattress online in Australia
At Ozbuyz Store., we make it easy to shop online with quality you can trust and fast, reliable delivery Australia-wide. Browse the full range, compare your options, and find the right fit for your home — backed by easy 14-day eligible returns and helpful support whenever you need it.
Frequently asked questions
Do you offer delivery Australia-wide?
Yes — we ship Australia-wide from our local warehouse network. Delivery cost and estimated timing are shown at checkout based on your address.
How long will my order take to arrive?
Most orders are dispatched within 1–2 business days, with delivery typically taking 2–8 business days depending on your location.
Do you offer assembly services?
Most items are designed for simple self-assembly and include step-by-step instructions. Dedicated assembly services aren't currently offered.
What is your return policy?
Eligible items can be returned within 14 days of delivery. See our Warranty & Return Policy for full details and any exclusions.