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.
- Black Friday 40% OFF Harrison Spinks Owen Mattress You Save £1,160 £1,739 From £2,899 (2) Ready for delivery from 16th December From £86.95 per month
- Black Friday 40% OFF Harrison Spinks Marlowe Mattress You Save £1,360 £2,039 From £3,399 Selected sizes ready for delivery From £101.95 per month
- Black Friday 40% OFF Harrison Spinks Cawthorne Cashmere Mattress You Save £1,480 £2,219 From £3,699 Ready for delivery from 16th December From £110.95 per month
- Black Friday 40% OFF Feather & Black Noir Performance Hybrid Mattress You Save £600 £899 From £1,499 Ready for delivery from 7th December From £44.95 per month
- Black Friday 40% OFF Sleepeezee Bamboo Staycool 2400 Mattress You Save £920 £1,379 From £2,299 (2) Ready for delivery from 6th December From £68.95 per month
- Black Friday 30% OFF Harrison Spinks Richmond Pillow Top Mattress You Save £870 £2,029 From £2,899 (1) Ready for delivery from 16th December From £101.45 per month
- Black Friday 30% OFF Sleepeezee Bamboo Hybrid 4000 Mattress You Save £750 £1,749 From £2,499 Ready for delivery from 6th December From £87.45 per month
- Black Friday 30% OFF Sleepeezee Bamboo Staycool 1800 Mattress You Save £600 £1,399 From £1,999 (2) Ready for delivery from 6th December From £69.95 per month
- Black Friday 20% OFF Harrison Spinks Saxton Silk Mattress You Save £980 £3,919 From £4,899 (1) Ready for delivery from 16th December From £195.95 per month
- Black Friday 30% OFF Harrison Spinks Byron Mattress You Save £1,380 £3,219 From £4,599 (4) Ready for delivery from 16th December From £160.95 per month
- Black Friday 20% OFF Sleepeezee Premium Wool 2400 Mattress You Save £400 £1,599 From £1,999 (1) Ready for delivery from 6th December From £79.95 per month
- Black Friday 20% OFF Harrison Spinks Middleham Mohair Mattress You Save £520 £2,079 From £2,599 (13) Ready for delivery from 16th December From £103.95 per month
- Black Friday 20% OFF Sleepeezee Bamboo Advanced Hybrid 6000 Mattress You Save £540 £2,159 From £2,699 (1) Ready for delivery from 6th December From £107.95 per month
- Black Friday 20% OFF Sleepeezee Natural 3000 Mattress You Save £500 £1,999 From £2,499 Ready for delivery from 6th December From £99.95 per month
- Black Friday 20% OFF Harrison Spinks Hemingway Mattress You Save £840 £3,359 From £4,199 (1) Ready for delivery from 16th December From £167.95 per month
- Black Friday 20% OFF Harrison Spinks Conrad Mattress You Save £740 £2,959 From £3,699 (4) Ready for delivery from 16th December From £147.95 per month
- Black Friday 20% OFF Harrison Spinks Tennyson Mattress You Save £500 £1,999 From £2,499 (4) Ready for delivery from 16th December From £99.95 per month
- New Relyon Montacute Mattress from £1,299 Ready for delivery from 21st December From £64.95 per month
- Black Friday 20% OFF Harrison Spinks Bronte Mattress You Save £440 £1,759 From £2,199 (4) Ready for delivery from 16th December From £87.95 per month
- Black Friday 30% OFF Harrison Spinks Marsett Mohair Mattress You Save £810 £1,889 From £2,699 Ready for delivery from 16th December From £94.45 per month
- Black Friday 30% OFF Harrison Spinks Chaucer Mattress You Save £600 £1,399 From £1,999 (1) Ready for delivery from 16th December From £69.95 per month
- Black Friday 30% OFF Harrison Spinks Fitzgerald Mattress You Save £990 £2,309 From £3,299 (4) Ready for delivery from 16th December From £115.45 per month
- New Relyon Barrington Mattress from £1,199 Ready for delivery from 21st December From £59.95 per month
- New Feather & Black Harewood Mattress from £899 Ready for delivery from 9th December From £44.95 per month
- New Feather & Black Belvoir Mattress from £999 Ready for delivery from 9th December From £49.95 per month
- New Feather & Black Morland Mattress from £999 Ready for delivery from 9th December From £49.95 per month
- New Feather & Black Elsham Mattress from £1,099 Ready for delivery from 9th December From £54.95 per month
- Harrison Spinks Bennett Mattress from £1,899 (1) Ready for delivery from 16th December From £94.95 per month
- Bestseller Harrison Spinks Thornton British Wool Mattress from £1,699 (14) Ready for delivery from 16th December From £84.95 per month
- Sleepeezee Natural Latex 4200 Mattress from £2,899 Ready for delivery from 6th December From £144.95 per month
- Sleepeezee Premium Wool 1200 Mattress from £1,799 Ready for delivery from 6th December From £89.95 per month
- Harrison Spinks Harrogate Silk Mattress from £5,099 (2) Ready for delivery from 16th December From £254.95 per month
- Harrison Spinks Helmsley Egyptian Cotton Mattress from £2,099 (5) Ready for delivery from 16th December From £104.95 per month
- Harrison Spinks Clifton Cashmere Mattress from £3,099 (3) Ready for delivery from 16th December 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 11th January
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.