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Home › Super King Size Mattresses - 6ft Mattresses

Super King Size Mattresses - 6ft Mattresses

Our super king size mattresses measure 6ft wide and 6ft 6 inches long, or 180cm by 200cm making them considerably more spacious than a king size or double mattress. These large 6ft mattresses are ideal for couples that like to have their own space in bed or even for individual adults who want a longer, wider mattress to sprawl out on. Browse our full range of super king size mattresses below.

  • Price: —

67 products

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    Classic Essential 1000 Mattress – Super King

    £800 Original price was: £800.£600Current price is: £600.

    Snooze Rest Mattress – Super King

    £825 Original price was: £825.£619Current price is: £618.76.

    Amber Mattress – Super King

    £1250 Original price was: £1250.£625Current price is: £625.01.

    Classic Pocket 1000 Mattress – Super King

    £900 Original price was: £900.£675Current price is: £675.

    Classic Cool 1000 Mattress – Super King

    £925 Original price was: £925.£694Current price is: £693.74.

    Snooze Calm Mattress – Super King

    £950 Original price was: £950.£713Current price is: £712.50.

    Classic Cashmere 1000 Mattress – Super King

    £950 Original price was: £950.£713Current price is: £712.50.

    Garnet Mattress – Super King

    £1610 Original price was: £1610.£805Current price is: £805.01.

    Lolite Mattress – Super King

    £1790 Original price was: £1790.£895Current price is: £895.01.

    Burley Mattress – Super King

    £1800 Original price was: £1800.£900Current price is: £900.

    Melbury Mattress – Super King

    £1935 Original price was: £1935.£968Current price is: £967.50.

    Amethyst Mattress – Super King

    £1360 Original price was: £1360.£1020Current price is: £1020.

    Zircon Mattress – Super King

    £1300 Original price was: £1300.£1040Current price is: £1039.99.

    Rockford Mattress – Super King

    £2115 Original price was: £2115.£1058Current price is: £1057.50.

    Nova Balance Mattress – Super King

    £1599 Original price was: £1599.£1119Current price is: £1119.30.

    Citrine Mattress – Super King

    £1505 Original price was: £1505.£1129Current price is: £1128.76.

    Gel Essence Comfort Mattress – Super King

    £1446 Original price was: £1446.£1157Current price is: £1156.80.

    Nova Comfort Mattress – Super King

    £1701 Original price was: £1701.£1191Current price is: £1190.70.

    Nova Soothe Mattress – Super King

    £1701 Original price was: £1701.£1191Current price is: £1190.70.

    Nova Ortho Mattress – Super King

    £1767 Original price was: £1767.£1237Current price is: £1236.90.

    Gel Essence Ortho Mattress – Super King

    £1548 Original price was: £1548.£1238Current price is: £1238.40.
    Order Now and Get by May 21, 2026

    Hinton Mattress – Super King

    £2500 Original price was: £2500.£1250Current price is: £1249.99.

    Deluxe Comfort Mattress – Super King

    £2600 Original price was: £2600.£1300Current price is: £1300.01.

    Ironstone Mattress – Super King

    £1735 Original price was: £1735.£1301Current price is: £1301.24.

    Rosaline Mattress – Super King

    £1360

    Aura Essence Mattress – Super King

    £1848 Original price was: £1848.£1386Current price is: £1386.

    Gel Plush Comfort Mattress – Super King

    £2004 Original price was: £2004.£1403Current price is: £1402.80.
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What size is a super king mattress?

A super king size mattress measures 6 feet wide (180cm) and 6 feet 6 inches long (200cm), making it the perfect mattress for those with a little extra floor space in their bedroom and a desire to get really comfortable in their bed. Whether you move around a lot at night time, like to sprawl out or just want to sit cosily in the middle of a huge bed, the super king size mattress is for you. The depth of your super king size mattress will depend on which mattress you choose, whether that be pocket sprung, memory foam, soft or firm, but the length and width will always be the same.

How heavy is a super king size mattress?

Being the largest standard mattress size means that super king size mattresses are quite heavy, although the weight of your mattress will depend on the type of mattress you choose. You can expect your mattress  to weigh roughly between 130 pounds (59kg) and 180 pounds (82kg).

What is the best super king size mattress?

The best super king size mattress for you will depend on your own body type and preferences. If you have spinal or neck issues, then a pocket sprung super king size mattress might be best for you, but if you want a mattress that is supportive and moulds to the contours of your body, then a firm super king size memory foam mattress might suit you better. If you’re looking for the ultimate in mattress comfort, then check out our 6’0” Super King Blenheim VIP 35000 Mattress.

Buy 6ft mattresses and more with Sussex Beds

Browse our full range of super king size mattresses online or check out our super king size divan beds and super king size divan bases. UK delivery, assembly service and disposal of existing furniture services available.

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