Super King Mattresses 6ft

Discover a roomy super king mattress that supports and pampers you all night long. With our outstanding range of luxury fillings and premium designs, you're sure to find the right comfort level for you. Choose from pocket sprung mattresses, pressure-relieving memory foam and more. The mattresses in our collection of super king size mattresses promise comfort night after night.

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Size Super King Brand Harrison Spinks Silentnight Sealy + 3
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Size Super King Brand Harrison Spinks Silentnight Sealy + 3
  • Delivered in 21 days
    47% OFF
    Save £370
    Was £799 Sale £429

    • Firm feel, amazing value, eco-friendly mattress 
    • Miracoil springs offer edge to edge support
    • Breathable fillings made from recycled bottles

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    Extra firm
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  • Delivered in 21 days
    12% OFF
    Save £80
    Was £699 Sale £619

    The Silentnight Mirapocket Serenity 1200 mattress is an award winner and it’s easy to see why. Rated a Best Buy by Which?, it scores top marks for comfort as well as value.

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    Medium
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  • Special Buy £899

    You can count on Sealy for value and comfort. The Sealy Sterling mattress has personalised pocket spring support, cushioning Geltex filling and a smooth quilted surface.

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    Firm
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  • Delivered in 21 days
    12% OFF
    Save £80
    Was £699 Sale £619
    • Fantastic value Silentnight Mirapocket Serenity Ortho mattress
    • Edge-to-edge support means more sleep space with no ‘roll together’
    • Mirapocket technology with 1400 zoned pocket springs
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    Extra firm
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  • Special Buy £849

    This fantastic mattress features Sealy’s proprietary PostureTech spring system for really great support. The springs react to your body weight and movement for personalised comfort.

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    Medium
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  • Special Buy £1149

    It’s the combination of individually pocketed springs, a pressure-relieving gel layer and a luxurious pillowtop that makes this handmade Sealy mattress so special.

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    Medium
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  • Special Buy £649

    With a built-in powerpack for targeted lumbar pain relief and Sealy’s PostureTech Ortho spring system at its core, this incredible-value double-sided mattress promises better sleep.

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    Extra firm
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  • Delivered in 28 days
    21% OFF
    Save £300
    Was £1499 Sale £1199

    Add a layer of sumptuous support to your mattress in the form of this exceptional handcrafted mattress topper by Harrison Spinks and enjoy enhanced pressure relief and exceptional comfort.

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  • Delivered in 21 days
    31% OFF
    Save £350
    Was £1149 Sale £799

    Calming and cooling, this high-tech Silentnight rolled mattress is designed for the ultimate in restorative sleep. The innovative sleep surface even promotes better circulation.

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  • Special Buy £799

    Superb support and exceptional comfort that precisely adapts to your body’s weight and movement – that’s the beauty of the great-value Sealy Claremont mattress.

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    Medium
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  • Special Buy £679

    If you suffer from back pain, this mattress is for you. Offering medium support with the comfort of memory foam, it has a built-in powerpack for targeted lumbar pain relief.

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    Medium
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  • Delivered in 28 days
    21% OFF
    Save £400
    Was £1999 Sale £1599

    Elevate any mattress with this exceptional mattress topper, handcrafted by Harrison Spinks. With 5,000 micro springs in king size and naturally cooling, cushioning fillings that include wool and cotton.

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