Super King Size Mattresses
Our super king mattresses provide comfort and space in abundance and are perfect for those who love to indulge and luxuriate with plenty room. We offer a range of styles from pillow top to zip & link, all of which offer cushioned, comfortable support for a great night’s sleep and fit perfectly atop our super king beds.
- Bestseller 30% OFF Harrison Spinks Owen Mattress You Save £870 £2,029 From £2,899 (4) Ready for delivery from 7th August From £101.45 per month
- 20% OFF Sleepeezee Bamboo Staycool 1800 Mattress You Save £400 £1,599 From £1,999 (2) Ready for delivery From £79.95 per month
- Bestseller 20% OFF Harrison Spinks Bronte Mattress You Save £440 £1,759 From £2,199 (5) Ready for delivery from 7th August From £87.95 per month
- Feather & Black Morland Mattress from £999 Ready for delivery from 26th July From £49.95 per month
- 30% OFF Feather & Black Elsham Mattress You Save £330 £769 From £1,099 (2) Ready for delivery from 26th July From £38.45 per month
- 30% OFF Feather & Black Harewood Mattress You Save £270 £629 From £899 (1) Ready for delivery from 26th July
- 30% OFF Feather & Black Noir Performance Hybrid Mattress You Save £450 £1,049 From £1,499 (1) Ready for delivery From £52.45 per month
- Sleepeezee Bamboo Staycool 2400 Mattress from £2,299 (2) Ready for delivery From £114.95 per month
- Harrison Spinks Bennett Mattress from £1,899 (1) Ready for delivery from 7th August From £94.95 per month
- Bestseller 20% OFF Relyon Barrington Mattress You Save £240 £959 From £1,199 Ready for delivery from 13th August From £47.95 per month
- Harrison Spinks Cawthorne Cashmere Mattress from £3,699 Ready for delivery from 7th August From £184.95 per month
- Bestseller 10% OFF Harrison Spinks Chaucer Mattress You Save £200 £1,799 From £1,999 (2) Ready for delivery from 7th August From £89.95 per month
- Bestseller 20% OFF Harrison Spinks Fitzgerald Mattress You Save £660 £2,639 From £3,299 (5) Ready for delivery from 7th August From £131.95 per month
- Harrison Spinks Marlowe Mattress from £3,399 Selected sizes ready for delivery From £169.95 per month
- 20% OFF Relyon Montacute Mattress You Save £260 £1,039 From £1,299 Ready for delivery from 13th August From £51.95 per month
- Harrison Spinks Marsett Mohair Mattress from £2,699 (1) Ready for delivery from 7th August From £134.95 per month
- Harrison Spinks Byron Mattress from £4,599 (4) Ready for delivery from 7th August From £229.95 per month
- 10% OFF Harrison Spinks Conrad Mattress You Save £370 £3,329 From £3,699 (6) Ready for delivery from 7th August From £166.45 per month
- 20% OFF Sleepeezee Natural Latex 4200 Mattress You Save £580 £2,319 From £2,899 Ready for delivery From £115.95 per month
- Bestseller 20% OFF Sleepeezee Premium Wool 2400 Mattress You Save £400 £1,599 From £1,999 (1) Ready for delivery From £79.95 per month
- Harrison Spinks Tennyson Mattress from £2,499 (4) Ready for delivery from 7th August From £124.95 per month
- Bestseller 10% OFF Sleepeezee Natural 3000 Mattress You Save £250 £2,249 From £2,499 Ready for delivery From £112.45 per month
- 30% OFF Sleepeezee Bamboo Advanced Hybrid 6000 Mattress You Save £810 £1,889 From £2,699 (1) Ready for delivery From £94.45 per month
- New Sleepeezee Bamboo Staycool 800 Gel Mattress from £899 Ready for delivery From £44.95 per month
- New Sleepeezee Bamboo Support 950 Mattress from £899 Ready for delivery From £44.95 per month
- New Sleepeezee Bamboo Memory Support 1000 Mattress from £999 Ready for delivery From £49.95 per month
- New Sleepeezee Support 800 Mattress from £899 Ready for delivery From £44.95 per month
- 10% OFF Sleepeezee Bamboo Hybrid 4000 Mattress You Save £250 £2,249 From £2,499 Ready for delivery From £112.45 per month
- Harrison Spinks Saxton Silk Mattress from £4,899 (1) Ready for delivery from 7th August From £244.95 per month
- Feather & Black Belvoir Mattress from £999 (1) Ready for delivery from 26th July From £49.95 per month
- 20% OFF Sleepeezee Premium Wool 1200 Mattress You Save £360 £1,439 From £1,799 Ready for delivery From £71.95 per month
- 30% OFF Harrison Spinks Hemingway Mattress You Save £1,260 £2,939 From £4,199 (1) Ready for delivery from 7th August From £146.95 per month
What size is a super king mattress?
Super king size mattresses are W180cm x L200cm (6 feet wide x 6 feet 6 inches long), wider than a standard king size mattress by 30cm (1 foot) offering ample space for an undisturbed, peaceful sleep.
How wide is a super king mattress?
Super king mattresses are 180cm wide or 6 foot 6 inches across with a length of 6 feet or 200cm. Full a full list of mattress dimensions, visit the size guide.
What makes a super king size mattress good quality?
We offer a range of super king size mattresses with a spread of budget ranges available. When it comes to quality, we have exacting standards when it comes to craftsmanship, fillings and support. Our most luxurious super king mattresses have various tensions to choose from, the finest fillings and are available as zip & link mattresses too. Read our mattress guide to help you decide which is the best mattress for you.