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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: —

62 products

  • Classic Essential 1000 Mattress - Super King

    Classic Essential 1000 Mattress – Super King

    £800 Original price was: £800.£640Current price is: £640.01.
  • Zircon Mattress - Super King

    Zircon Mattress – Super King

    £1300 Original price was: £1300.£650Current price is: £649.99.
  • Snooze Rest Mattress - Super King

    Snooze Rest Mattress – Super King

    £825 Original price was: £825.£660Current price is: £660.
  • Classic Pocket 1000 Mattress - Super King

    Classic Pocket 1000 Mattress – Super King

    £900 Original price was: £900.£720Current price is: £720.
  • Classic Cool 1000 Mattress - Super King

    Classic Cool 1000 Mattress – Super King

    £925 Original price was: £925.£740Current price is: £739.99.
  • Snooze Calm Mattress - Super King

    Snooze Calm Mattress – Super King

    £950 Original price was: £950.£760Current price is: £760.01.
  • Classic Cashmere 1000 Mattress - Super King

    Classic Cashmere 1000 Mattress – Super King

    £950 Original price was: £950.£760Current price is: £760.01.
  • Burley Mattress - Super King

    Burley Mattress – Super King

    £1800 Original price was: £1800.£900Current price is: £900.
  • Rosaline Mattress - Super King

    Rosaline Mattress – Super King

    £1360 Original price was: £1360.£952Current price is: £952.
  • Amber Mattress - Super King

    Amber Mattress – Super King

    £1250 Original price was: £1250.£1000Current price is: £1000.01.
  • Amatrix Mattress - Super King

    Amatrix Mattress – Super King

    £2070 Original price was: £2070.£1035Current price is: £1035.
  • Gel Essence Comfort Mattress - Super King

    Gel Essence Comfort Mattress – Super King

    £1446 Original price was: £1446.£1157Current price is: £1156.80.
  • Nova Balance Mattress - Super King

    Nova Balance Mattress – Super King

    £1599 Original price was: £1599.£1199Current price is: £1199.26.
  • Ruby Mattress - Super King

    Ruby Mattress – Super King

    £2450 Original price was: £2450.£1225Current price is: £1225.01.
  • Gel Essence Ortho Mattress - Super King

    Gel Essence Ortho Mattress – Super King

    £1548 Original price was: £1548.£1238Current price is: £1238.40.
    Order Now and Get by March 17, 2026
  • Nova Comfort Mattress - Super King

    Nova Comfort Mattress – Super King

    £1701 Original price was: £1701.£1276Current price is: £1275.76.
  • Nova Soothe Mattress - Super King

    Nova Soothe Mattress – Super King

    £1701 Original price was: £1701.£1276Current price is: £1275.76.
  • Garnet Mattress - Super King

    Garnet Mattress – Super King

    £1610 Original price was: £1610.£1288Current price is: £1288.01.
  • Deluxe Comfort Mattress - Super King

    Deluxe Comfort Mattress – Super King

    £2600 Original price was: £2600.£1300Current price is: £1300.01.
  • Morion Mattress - Super King

    Morion Mattress – Super King

    £1885 Original price was: £1885.£1320Current price is: £1319.50.
  • Nova Ortho Mattress - Super King

    Nova Ortho Mattress – Super King

    £1767 Original price was: £1767.£1325Current price is: £1325.26.
  • Amethyst Mattress - Super King

    Amethyst Mattress – Super King

    £1360
  • Aura Essence Mattress - Super King

    Aura Essence Mattress – Super King

    £1848 Original price was: £1848.£1386Current price is: £1386.
  • Lolite Mattress - Super King

    Lolite Mattress – Super King

    £1790 Original price was: £1790.£1432Current price is: £1432.01.
  • Citrine Mattress - Super King

    Citrine Mattress – Super King

    £1505
  • Aura Support Mattress - Super King

    Aura Support Mattress – Super King

    £2041 Original price was: £2041.£1531Current price is: £1530.74.
  • Nectus Pure Support Mattress - Super King

    Nectus Pure Support Mattress – Super King

    £1930 Original price was: £1930.£1544Current price is: £1543.99.

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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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