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 25% OFF Harrison Spinks Conrad Mattress You Save £925 £2,774 From £3,699 (2) Ready for delivery from 18th May From £138.70 per month
- New 25% OFF Harrison Spinks Marsett Mohair Mattress You Save £675 £2,024 From £2,699 Ready for delivery from 18th May From £101.20 per month
- 25% OFF Harrison Spinks Bennett Mattress You Save £450 £1,349 From £1,799 (1) Ready for delivery from 18th May From £67.45 per month
- 25% OFF Harrison Spinks Marlowe Mattress You Save £850 £2,549 From £3,399 Selected sizes ready for delivery From £127.45 per month
- Bestseller 20% OFF Harrison Spinks Fitzgerald Mattress You Save £660 £2,639 From £3,299 (4) Ready for delivery from 18th May From £131.95 per month
- 25% OFF Harrison Spinks Owen Mattress You Save £725 £2,174 From £2,899 (2) Ready for delivery from 18th May From £108.70 per month
- 20% OFF Harrison Spinks Richmond Pillow Top Mattress You Save £580 £2,319 From £2,899 (1) Ready for delivery from 18th May From £115.95 per month
- 20% OFF Harrison Spinks Hemingway Mattress You Save £840 £3,359 From £4,199 Ready for delivery from 18th May From £167.95 per month
- 25% OFF Harrison Spinks Middleham Mohair Mattress You Save £650 £1,949 From £2,599 (12) Ready for delivery from 18th May From £97.45 per month
- 20% OFF Harrison Spinks Chaucer Mattress You Save £400 £1,599 From £1,999 Ready for delivery from 18th May From £79.95 per month
- New 15% OFF Harrison Spinks Saxton Silk Mattress You Save £735 £4,164 From £4,899 (1) Ready for delivery from 18th May From £208.20 per month
- New 15% OFF Harrison Spinks Cawthorne Cashmere Mattress You Save £555 £3,144 From £3,699 Ready for delivery from 18th May From £157.20 per month
- Bestseller 20% OFF Harrison Spinks Tennyson Mattress You Save £500 £1,999 From £2,499 (3) Ready for delivery from 18th May From £99.95 per month
- New 10% OFF Sleepeezee Bamboo Staycool 1800 Mattress You Save £200 £1,799 From £1,999 (1) Ready for delivery from 11th May From £89.95 per month
- New 10% OFF Sleepeezee Bamboo Staycool 2400 Mattress You Save £230 £2,069 From £2,299 Ready for delivery from 11th May From £103.45 per month
- New 10% OFF Sleepeezee Bamboo Hybrid 4000 Mattress You Save £250 £2,249 From £2,499 Ready for delivery from 11th May From £112.45 per month
- New 10% OFF Sleepeezee Bamboo Advanced Hybrid 6000 Mattress You Save £270 £2,429 From £2,699 Ready for delivery from 11th May From £121.45 per month
- New 10% OFF Sleepeezee Premium Wool 2400 Mattress You Save £200 £1,799 From £1,999 Ready for delivery from 11th May From £89.95 per month
- New 10% OFF Sleepeezee Premium Wool 1200 Mattress You Save £180 £1,619 From £1,799 Ready for delivery from 11th May From £80.95 per month
- New 10% OFF Sleepeezee Natural 3000 Mattress You Save £250 £2,249 From £2,499 Ready for delivery from 11th May From £112.45 per month
- New 10% OFF Sleepeezee Natural Latex 4200 Mattress You Save £290 £2,609 From £2,899 Ready for delivery from 11th May From £130.45 per month
- New 20% OFF Feather & Black Noir Performance Hybrid Mattress You Save £300 £1,199 From £1,499 Ready for delivery from 11th May From £59.95 per month
- 15% OFF Harrison Spinks Clifton Cashmere Mattress You Save £465 £2,634 From £3,099 (2) Ready for delivery from 18th May From £131.70 per month
- 15% OFF Harrison Spinks Helmsley Egyptian Cotton Mattress You Save £315 £1,784 From £2,099 (4) Ready for delivery from 18th May From £89.20 per month
- Bestseller 10% OFF Harrison Spinks Thornton British Wool Mattress You Save £170 £1,529 From £1,699 (14) Ready for delivery from 18th May From £76.45 per month
- 15% OFF Harrison Spinks Byron Mattress You Save £690 £3,909 From £4,599 (4) Ready for delivery from 18th May From £195.45 per month
- 20% OFF Relyon Elstead Mattress You Save £300 £1,199 From £1,499 (1) Ready for delivery from 25th May From £59.95 per month
- 15% OFF Harrison Spinks Harrogate Silk Mattress You Save £765 £4,334 From £5,099 (1) Ready for delivery from 18th May From £216.70 per month
- Bestseller 10% OFF Harrison Spinks Bronte Mattress You Save £220 £1,979 From £2,199 (3) Ready for delivery from 18th May From £98.95 per month
- Clearance 50% OFF -WHILE STOCKS LAST Relyon Shere Mattress You Save £850 £849 From £1,699 (4) Ready for delivery from 25th May
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.