Need more room than a single mattress but don’t have space for a double? A king single mattress is the perfect in-between — offering extra length and width for growing teens, taller sleepers, and guest rooms where comfort matters.
At Rivercity Furniture, we offer a range of king single mattresses designed for support, durability and a great night’s sleep. Choose from pocket spring, memory foam, hybrid and gel-infused styles in comfort levels from medium to extra firm. Whether you're furnishing a teenager’s bedroom or upgrading a guest bed, we’ve got a sleep solution that fits.
All mattresses come vacuum-sealed for fast, contact-free delivery and easy setup.
Why shop king single mattresses at Rivercity Furniture?
Extra space without taking over the room
Medium, medium-firm and extra-firm support levels
Pocket spring, hybrid and memory foam options available
Cooling gel, bamboo and anti-allergy materials
Free delivery to most Aussie metro postcodes
Price Match Guarantee and shipping protection included
Flexible payment options with Afterpay, Klarna and Zip
Proudly Australian Owned (Certified ID #07788)
2x award-winning retailer on ProductReview.com.au (2024 and 2025)
Sleep better with a king single mattress made for real Australian homes.
