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Super King Size Mattresses

Super king mattresses are the largest standard mattress we provide and are the only choice if you
need a little more space to stretch out. When you buy a super king mattress from us, you're
guaranteed quality from some of the World's biggest brands, such as Hypnos and Sealy.


Super Kingsize Mattress Dimensions:
180cm (width) x 200cm (length)
6' (width) x 6'6" (length)


Click Here to view our full size guide.

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  1. 1 Day
    Octasmart Premium Hybrid Plus Mattress
    Octasmart Premium Hybrid Plus Mattress
    Now £679.00 Was £1,399.00 Save £720.00
    • Firmness
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    1 Day Dispatch

    From only £26.56pm

  2. Next Day
    Emma Smart Hybrid Mattress - Buy Online
    Rating:
    100%
    Emma Smart Hybrid Mattress
    Now £649.00 Was £1,499.00 Save £850.00
    • Firmness
    • Soft
    • Medium
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    • Super Soft
    • Soft
    • Medium Soft
    • Medium
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    Next Day Delivery

    From only £25.39pm

  3. Next Day
    Millbrook Eden 2500 Mattress
    Millbrook Eden 2500 Mattress
    Now £789.00 Was £1,149.00 Save £360.00
    • Firmness
    • Soft
    • Medium
    • Firm
    • Super Soft
    • Soft
    • Medium Soft
    • Medium
    • Medium Firm
    • Firm
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    • https://www.mynextmattress.co.uk/media/option_images/10-year.png
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    Next Day Delivery

    From only £30.87pm

  4. 21 Day
    Hypnos Stratton Mattress
    Rating:
    73%
    Hypnos Wool Origins 10 Mattress
    Now £2,529.00 Was £3,799.00 Save £1,270.00
    • Firmness
    • Soft
    • Medium
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    • Super Soft
    • Soft
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    • Medium
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    21 Day Dispatch

    From only £98.94pm

  5. 21 Day
    Silentnight 1000 Pocket Mattress
    Rating:
    80%
    Silentnight Pocket 1000 Mattress
    Now £419.00 Was £849.00 Save £430.00
    • Firmness
    • Soft
    • Medium
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    • Super Soft
    • Soft
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    • Medium
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    21 Day Dispatch

    From only £16.39pm

  6. 21 Day
    Mammoth Active Mattress
    Mammoth Active MA20 Mattress
    Now £1,069.00 Was £1,599.00 Save £530.00
    • Firmness
    • Soft
    • Medium
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    • Super Soft
    • Soft
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    • Medium
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    21 Day Dispatch

    From only £41.82pm

  7. 21 Day
    Mammoth Active MA30 Mattress
    Mammoth Active MA30 Mattress
    Now £1,249.00 Was £1,899.00 Save £650.00
    • Firmness
    • Soft
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    • Super Soft
    • Soft
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    • Medium
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    21 Day Dispatch

    From only £48.87pm

  8. 21 Day
    Mammoth Active MA40 Mattress
    Mammoth Active MA40 Mattress
    Now £1,249.00 Was £1,899.00 Save £650.00
    • Firmness
    • Soft
    • Medium
    • Firm
    • Super Soft
    • Soft
    • Medium Soft
    • Medium
    • Medium Firm
    • Firm
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    • https://www.mynextmattress.co.uk/media/option_images/10-year.png
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    21 Day Dispatch

    From only £48.87pm

  9. 21 Day
    Hypnos Elite Deluxe Mattress
    Rating:
    92%
    Hypnos Elite Deluxe Mattress
    Now £593.00 Was £959.00 Save £366.00
    • Firmness
    • Soft
    • Medium
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    • Super Soft
    • Soft
    • Medium Soft
    • Medium
    • Medium Firm
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    21 Day Dispatch

    From only £23.20pm

  10. 21 Day
    Hypnos Cotton Origins 8
    Rating:
    90%
    Hypnos Cotton Origins 8 Mattress
    Now £1,399.00 Was £2,099.00 Save £700.00
    • Firmness
    • Soft
    • Medium
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    • Soft
    • Medium Soft
    • Medium
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    • https://www.mynextmattress.co.uk/media/option_images/10yr.png
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    21 Day Dispatch

    From only £54.73pm

  11. 21 Day
    Vispring Traditional Bedstead Mattress
    Rating:
    98%
    Vispring Traditional Bedstead Mattress
    Now £2,054.50 Was £2,579.00 Save £524.50
    • Firmness
    • Soft
    • Medium
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    • Soft
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    • Medium
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    • https://www.mynextmattress.co.uk/media/option_images/30yr.png
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    21 Day Dispatch

    From only £80.38pm

  12. 7 Day
    Nectar Hybrid Mattress
    Rating:
    100%
    Nectar Hybrid Mattress
    Now £759.00 Was £1,259.00 Save £500.00
    • Firmness
    • Soft
    • Medium
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    • Super Soft
    • Soft
    • Medium Soft
    • Medium
    • Medium Firm
    • Firm
    • Extra Firm
    • https://www.mynextmattress.co.uk/media/option_images/10yr.png
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    7 Day Dispatch

    From only £29.69pm

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Browse the Super King Mattresses Online

Browse the Super King Mattresses Online

If you’re a lover of space, you will love our super king size mattresses range! We know that sharing a bed with a partner can be difficult if you both don’t have enough space to get comfy and drift off into a peaceful, comfortable slumber. Super king size mattresses offer an extra foot of width when compared to a standard king size. All of our mattresses are made with luxurious materials, and innovative technology designed to support your body when you sleep, and help you wake up feeling more refreshed. As mattress experts, we offer a 14 night free sleep trial to ensure you are happy with the product and it’s comfort.

Available in a range of different types, such as memory foam, latex and more – we know that your mattress needs to be right before you buy. Depending on what type of sleeper you or your partner are, whether it be front, back or side – we have something to suit your requirements, as well as your budget. Browse our best selling super king mattresses and see what customers have to say – don’t just take our word for it. Place your order online today or alternatively, give us a call if you require further assistance.

What size is a super king size mattress?

180CM X 200CM (6’ x 6’6”)

What are the different types of super king size mattresses?

Nearly all manufacturers make their mattresses in this size. So your choice is limited only by budget and other specific requirements you may have. We’re always on hand to help with suggestions if needed!

What is the best super king mattress?

This is something only you can answer! There are some stunning mattresses available on the market today. One thing a Super Kingsize mattress will easily afford, however, is the option for a dual-tension firmness. One side can be a different firmness level than the other, and so a bed shared by a couple can suit both. There are many suppliers who can offer this, and we’re on hand to help if you need some advice!

Who is a super king size mattress best suited for?

The Super Kingsize mattress is the largest ‘standard’ size in the UK and offers a large amount of space. This is a very important factor when it comes to having a good night’s sleep, as the body needs to be able to move freely, allowing for good circulation and proper recuperation from the days wear and tear.

Free UK Delivery

2-Person Delivery Service *

Taken to Chosen Room *

Goods Unpacked *

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(*) on items larger than 3' Single Mattresses


Why order from us?


Our reviews are Excellent.


We have a sleep trial on all mattresses.


We offer free delivery
(offshore charges apply).


Advisers available 7-days a week.


1000’s of mattresses in stock ready
for next day delivery.

Our Aims

Offer Best Customer Services

Accurate Unbiased Service

Give The Best Price

Keep You Informed On Order

It‘s these reasons we are rated ‘EXCELLENT‘ on Trustpilot with a rating of 4.9 out of 5.