King Mattresses

Enjoy the luxury and comfort of our extensive collection of king-size mattresses when you shop with OMF. Each mattress adheres to standard king-size dimensions, ensuring a perfect fit for your room. Whether you love soft, medium or extra firm, out of all our king mattresses, we surely have one for you!

Mattress Quiz What mattress to buy? Take our Mattress Quiz to analyse your body type, feel and preference to find the best mattress for you. Here at OMF, we help you to buy your dream mattress.
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Revivify Support Mattress

Original Mattress Factory Australia

From$498

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Refresh Mattress Medium

Original Mattress Factory Australia

From$2,646

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iContour GT8 Mattress
Sale
iContour GT8 Mattress

Original Mattress Factory Australia

$288 $298

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Cloud7 Firm

Original Mattress Factory Australia

From$4,188

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Urban Plush
Sale
Urban Plush

Original Mattress Factory Australia

$1,362 $2,898

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BC7 Support

Original Mattress Factory Australia

From$1,898

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Elegance Medium
Sale
Elegance Medium

Original Mattress Factory Australia

$1,462 $3,248

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Mandalay Bay Plush Mattress

Original Mattress Factory Australia

From$3,974

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Saint Barth

Original Mattress Factory Australia

From$4,998

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Keppel Mattress
Sale
Keppel Mattress

Original Mattress Factory Australia

$2,563 $5,572

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Refresh Mattress Soft

Original Mattress Factory Australia

From$2,646

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Elegance Firm
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Elegance Firm

Original Mattress Factory Australia

$1,462 $3,248

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Hamilton Mattress
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Hamilton Mattress

Original Mattress Factory Australia

$2,563 $5,572

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BC7 Plush

Original Mattress Factory Australia

From$1,898

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Noosa Firm Mattress

Original Mattress Factory Australia

From$2,675

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Recovery 7 Support Mattress
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Recovery 7 Support Mattress

Original Mattress Factory Australia

$798 $2,598

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Newport Plush
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Newport Plush

Original Mattress Factory Australia

$2,068 $5,170

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Saint Kitts

Original Mattress Factory Australia

From$4,998

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Saint Tropez

Original Mattress Factory Australia

From$4,998

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Hayman 2200 Medium

Original Mattress Factory Australia

From$5,748

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Brighton Support
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Brighton Support

Original Mattress Factory Australia

$2,068 $5,170

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Rejuvenate 2.0
Sale
Rejuvenate 2.0

Original Mattress Factory Australia

$532 $598

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Urban Support
Sale
Urban Support

Original Mattress Factory Australia

$1,362 $2,898

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Refresh Queen Mattress Firm

Original Mattress Factory Australia

$2,946

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Types of King Mattresses

Our range of king mattresses helps you sleep comfortably and make every night's sleep a good night's sleep!

Different King Mattress Sizes

  • Standard King Mattress: Measures 1830mm x 2030mm and provides plenty of ample space for couples or individuals who prefer a large sleeping area.
  • Super King Mattress: The largest in our range, with dimensions of 2030mm x 2030mm. Ideal for those who require a lot of sleeping space.
  • King Single Mattress: 1070mm x 2030mm; perfect for children moving from a kids' bed or adults with smaller bedrooms.

Memory Foam Mattresses

Designed with your comfort in mind, our memory foam mattresses are the go-to choice for pressure-free sleeping. Say goodbye to tossing and turning, and hello to nights filled with restful slumber, for each memory foam mattress offers something special.

  • Gel foam mattresses: These memory foam mattresses incorporate cooling gel into the foam to help regulate temperature and promote a more relaxed sleep environment.
  • Eco foam mattresses: These mattresses are made from environmentally friendly materials and provide comfort while lowering your carbon footprint.
  • Premium foam mattresses: These mattresses combine high-density foam with layers of comfort foam for a luxurious sleep experience.

Innerspring Mattresses

Designed for temperature regulation, our inner-spring mattresses are a dream come true for hot sleepers looking for just the right fit. Say goodbye to those sweaty nights and hello to a cool, refreshing sleep experience like never before in your new innerspring king bed.

  • Micro spring mattresses: These mattresses feature smaller, more numerous springs for increased support and pressure relief.
  • Pocket spring mattresses: Each spring in these mattresses are individually wrapped, reducing motion transfer and providing targeted support.

Is a Super king-size mattress bigger than a king mattress?

Yes, a super king mattress size is larger than a standard king-size mattress. It measures 2030mm x 2030mm, providing even more space than the full king bed mattress's 1830mm x 2030mm standard dimensions.

Where can I buy a king-size mattress near me?

The best place to get a king full-size mattress is at OMF. Using our user-friendly online platform and mattress quiz, you can browse and buy your ideal king-size bed from the comfort of your home.

You can also visit one of our many stores. Our helpful staff is always available to help you find the best king mattress for your needs and budget, and take advantage of our exciting mattress offers!

Why choose one of our cOMFy mattresses?

All our products come with standard (comprehensive) warranties, which also provide you with our 30-night comfort exchange guarantee on all mattresses that are purchased with a mattress protector!

By choosing one of our full cOMFy ranges, you're not just buying a king mattress but investing in a high-quality, expertly recommended sleep solution.

If you want to buy a king size bed and mattress but have more questions, contact us!

We'd love to hear from you and assist you in any way we can.