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.
- 20% OFF Sleepeezee Bamboo Advanced Hybrid 6000 Mattress from £2,699 (1) Ready for delivery from 15th November From £134.95 per month
- 20% OFF Sleepeezee Bamboo Hybrid 4000 Mattress from £2,499 Ready for delivery from 15th November From £124.95 per month
- 20% OFF Sleepeezee Bamboo Staycool 2400 Mattress from £2,299 Ready for delivery from 15th November From £114.95 per month
- 10% OFF Feather & Black Noir Performance Hybrid Mattress from £1,499 Ready for delivery from 16th November From £74.95 per month
- 15% OFF Sleepeezee Bamboo Staycool 1800 Mattress from £1,999 (2) Ready for delivery from 15th November From £99.95 per month
- 20% OFF Harrison Spinks Marsett Mohair Mattress from £2,699 Ready for delivery from 23rd November From £134.95 per month
- New Relyon Barrington Mattress from £1,099 Ready for delivery from 30th November From £54.95 per month
- 20% OFF Harrison Spinks Owen Mattress from £2,899 (2) Ready for delivery from 23rd November From £144.95 per month
- New Feather & Black Morland Mattress from £999 Ready for delivery from 18th November From £49.95 per month
- 15% OFF Harrison Spinks Chaucer Mattress from £1,999 (1) Ready for delivery from 23rd November From £99.95 per month
- Bestseller 20% OFF Harrison Spinks Conrad Mattress from £3,699 (3) Ready for delivery from 23rd November From £184.95 per month
- Bestseller 20% OFF Harrison Spinks Fitzgerald Mattress from £3,299 (4) Ready for delivery from 23rd November From £164.95 per month
- 20% OFF Harrison Spinks Middleham Mohair Mattress from £2,599 (13) Selected sizes ready for delivery From £129.95 per month
- New Feather & Black Elsham Mattress from £1,099 Ready for delivery from 18th November From £54.95 per month
- 20% OFF Harrison Spinks Cawthorne Cashmere Mattress from £3,699 Ready for delivery from 23rd November From £184.95 per month
- New Relyon Montacute Mattress from £1,199 Ready for delivery from 30th November From £59.95 per month
- 20% OFF Harrison Spinks Richmond Pillow Top Mattress from £2,899 (1) Ready for delivery from 23rd November From £144.95 per month
- New Feather & Black Belvoir Mattress from £999 Ready for delivery from 18th November From £49.95 per month
- Bestseller 20% OFF Harrison Spinks Tennyson Mattress from £2,499 (4) Ready for delivery from 23rd November From £124.95 per month
- 20% OFF Harrison Spinks Hemingway Mattress from £4,199 (1) Ready for delivery from 23rd November From £209.95 per month
- 15% OFF Harrison Spinks Bennett Mattress from £1,899 (1) Ready for delivery from 23rd November From £94.95 per month
- Bestseller 20% OFF Harrison Spinks Bronte Mattress from £2,199 (4) Ready for delivery from 23rd November From £109.95 per month
- Bestseller 15% OFF Harrison Spinks Thornton British Wool Mattress from £1,699 (14) Ready for delivery from 23rd November From £84.95 per month
- 15% OFF Sleepeezee Premium Wool 2400 Mattress from £1,999 (1) Ready for delivery from 15th November From £99.95 per month
- 20% OFF Sleepeezee Natural 3000 Mattress from £2,499 Ready for delivery from 15th November From £124.95 per month
- 20% OFF Harrison Spinks Saxton Silk Mattress from £4,899 (1) Ready for delivery from 23rd November From £244.95 per month
- 20% OFF Harrison Spinks Byron Mattress from £4,599 (4) Ready for delivery from 23rd November From £229.95 per month
- 20% OFF Sleepeezee Natural Latex 4200 Mattress from £2,899 Ready for delivery from 15th November From £144.95 per month
- 15% OFF Sleepeezee Premium Wool 1200 Mattress from £1,799 Ready for delivery from 15th November From £89.95 per month
- 20% OFF Harrison Spinks Harrogate Silk Mattress from £5,099 (2) Ready for delivery from 23rd November From £254.95 per month
- 20% OFF Harrison Spinks Marlowe Mattress from £3,399 Selected sizes ready for delivery From £169.95 per month
- 20% OFF Harrison Spinks Helmsley Egyptian Cotton Mattress from £2,099 (5) Ready for delivery from 23rd November From £104.95 per month
- 20% OFF Harrison Spinks Clifton Cashmere Mattress from £3,099 (3) Ready for delivery from 23rd November From £154.95 per month
- Clearance 50% OFF - WHILE STOCKS LAST Relyon Shere Mattress You Save £850 £849 From £1,699 (10) Ready for delivery from 7th December
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.