The Ecosa Super King Mattress
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12564 Reviews
The ecosa Super King is the most spacious standard bed size in Australia. It’s perfect for couples who love their own space or even cosying up with family.
Got the space? The Super King awaits you.
See the Super King Size Mattress100 Night Trial
Same-Day Delivery (Metro)
15 Year Warranty
Super King Mattress
The Super King is a luxury mattress size at 203 x 203 cm. It’s 20 centimetres wider than a king size and shaped like a perfect square. It gives more than enough space even for the tallest and biggest sleepers.
Super King Mattress Dimensions and Specification
Width | 203 cm |
Length | 203 cm |
Height | 25 cm |
Mattress Construction | |
ECO-TEX Open Cell Foam | |
G-7 Gel Memory Foam | |
Ergonomic Support Foam | |
Waterproof Inner Cover | |
Permium Polyester Removable Cover | |
Key Benefits | |
3-in-1 Adjustable Firmness | |
Waterproof and Dust Mite-Proof | |
Fire-Resistant (Non-chemical) | |
Shipping | Free Shipping |
Returns | Free Returns |
Warranty | 15 Years |
Not the size you're looking for?
There are a total of seven (7) sizes available for you. It gets tricky just looking at the dimensions, so check the image below to see how big or small each mattress size is when in comparison with one another.
There are total of seven (7) sizes available for you. Double check the dropdown list below to see if you got the size right.
The Super King that Breathes
The Super King allows you to bring more people and animals on board the mattress. Things can get cosy and hot – especially in the summer. Luckily, the Ecosa mattress has three breathable layers tied into a built-in air circulation system.

This king mattress is also ideal for...
Having enough personal space for each person!
Starfishing alone (YES!)
Getting cosy with the toddlers on the weekends
Netflix and chillin’ with furry friends'
Free Shipping & Returns
No added or hidden costs to your mattress. We'll ship and pick it up free-of-charge.
Risk-Free Purchase
100-Night Trial & 15-Year Warranty. Don't love it for any reason? We'll pick it up and donate it to charity.
Same-Day Delivery
Get your mattress within the same day in Melbourne, Sydney, Brisbane, Perth, and Adelaide!
Outstanding Customer Service
Our Dream Team is available to answer any queries you may have Mon-Fri 9am-5pm AEDT.
FUN FACT: The world’s largest mattress is 60 times the size of a Super King.
The biggest mattress in the world measures up to 38x80 ft or 279 square metres.
Frequently asked questions
The only difference between a king and super king is their width. Super King is wider than the king by 20 centimetres - making it almost square in shape.
A standard super king quilt cover measures up to 270 x 240 centimetres.
The Super King is the biggest standard mattress size available in the market. Anything bigger would have to be a special size or customised.