Super king size mattresses

From £480

Posture Pocket Mattresses | Gold 2000 Pocket Spring- Firm | Super King Mattress

Was £1,099.99

£919.99
Pennington Mattresses | PostureTech Springs - Firm | Super King-Size Mattress

Was £769.99

£719.99
Marlborough Mattresses | 4000 Pocket Spring - Medium | Super King-Size Mattress

Was £1,149.99

£1,099.99
Rivington Mattresses | Wool & Silk Pillowtop - Med | Super King-Size Mattress

Was £999.99

£949.99
Memory Mattresses | 1500 Pocket Springs - Med/Firm | Super King-Size Mattress

Was £769.99

£719.99
Delamere Mattresses | Pocket Spring & Wool - Firmer | Super King-Size Mattress

Was £1,899.99

£1,849.99
Melrose Mattresses | GelTex Layer with Mini Springs | Super King-Size Mattress

Was £1,249.99

£1,199.99
Marlborough Mattresses | 5000 Pocket Spring - Firm | Super King-Size Mattress

Was £1,199.99

£1,149.99
Marlborough Mattresses | 6000 Pocket Spring - Medium | Super King-Size Mattress

Was £1,299.99

£1,249.99
Posture Pocket Mattresses | Gold 2000 Pocket Spring- Med | Super King Mattress

Was £1,099.99

£919.99
Sleep Plus Mattresses | 1000 Pocket Springs - Ortho | Super King Mattress

Was £529.99

£479.99
Posture Pocket Mattresses | Silver 1000 Pocket Spring- Fir | Super King-size Mattress

Was £929.99

£799.99
Lynton Mattresses | Wool & Silk - Med/Firm | Super King-Size Mattress

Was £899.99

£849.99
Silverdale Mattresses | PostureTech with GelTex Layer | Super King-Size Mattress

Was £969.99

£919.99
$Sealy Bloomfield Latex Super King-Size Mattress$

Bloomfield Mattresses | Latex Layer with Quilted Top | Super King-Size Mattress

Was £1,099.99

£1,049.99
Posture Pocket Mattresses | Bronze 600 Pocket Spring- Firm | Super King Mattress

Was £849.99

£679.99
Posture Pocket Mattresses | Bronze 600 Pocket Spring- Med | Super King Mattress

Was £849.99

£679.99
Ashdown Mattresses | Micro Springs & Wool - Firmer | Super King-Size Mattress

Was £1,599.99

£1,549.99
Blakemere Mattresses | Wool & Pillowtop - Firmer | Super King-Size Mattress

Was £2,199.99

£2,149.99
Blakemere Mattresses | Wool & Pillowtop - Regular | Super King-Size Mattress

Was £2,199.99

£2,149.99
Ashdown Mattresses | Micro Springs & Wool - Regular | Super King-Size Mattress

Was £1,599.99

£1,549.99
Delamere Mattresses | Pocket Spring & Wool - Regular | Super King-Size Mattress

Was £1,899.99

£1,849.99
Harrington Mattresses | British Wool Pillowtop | Super King-Size Mattress

Was £1,149.99

£1,099.99
Marlborough Mattresses | 3000 Pocket Spring - Firm | Super King-Size Mattress

Was £999.99

£949.99
Posture Pocket Mattresses | Silver 1000 Pocket Spring- Med | Super King-Size Mattress

Was £929.99

£779.99
Wentworth Mattresses | Double-Sided - Firmer | Super King-Size Mattress

Was £2,549.99

£2,499.99
Wentworth Mattresses | Double-Sided - Regular | Super King-Size Mattress

Was £2,549.99

£2,499.99

Super king-size mattresses

Searching for a mattress that will offer a dreamy night’s sleep? Our super king-size mattresses are just what you need.

As the largest of our mattresses, measuring six feet wide by six feet six inches in length, these are ideal for those sleeping next to a partner or families with young children, as their spacious dimensions ensure you still get your own room to stretch out and snooze.

Find your ideal firmness

Whether you’re looking for a firm mattress or prefer medium support, we’ve got a range of different options, all filled with a combination of pocket springs and memory foam to ensure comfortable support throughout the night.

We also offer super king-size mattresses with sumptuous pillow tops to give your bed a luxurious boutique hotel feel.

Our mattresses are hypoallergenic and covered in quality upholstery to ensure your temperature is well-regulated.

If you need help deciding which is the best mattress for you, browse our mattress guide to find all the useful information you need to help you make your choice.

Pair with a super king bed frame

Create the complete bedroom look by teaming our super king-size mattresses with our super king bed frames.

Our range of hardwood super king beds includes a selection of different options, such as Scandi-style natural oak, industrial-inspired designs with metal accents, homely rustic oak frames, and elegant painted options, along with luxe upholstered beds.

Match with bedroom furniture

Transform your bedroom into a relaxing haven with the addition of our bedroom furniture. Create a coordinated look by pairing items, such as wardrobes, bedside tables, chests and dressing tables, from the same range for practical and aesthetically pleasing bedroom decor.

If you’re searching for mattresses for other rooms, we’ve also got you covered and have a choice of singles, doubles and king-size mattresses.

Browse our complete collection of super king-size mattresses today.

© 2025 Oak Furnitureland. All rights reserved. Company reg. 12645185. VAT reg. GB350645607 Registered Address: Oak Furnitureland Group Ltd, Unit DC2, Viscount Way, South Marston Ind Estate, Swindon, Wiltshire SN3 4TN. Registered in England and Wales.

†Prices displayed are based on Interest-Free Credit over 36 months, with the monthly payment amount rounded up to the nearest whole pence. To qualify for interest-free credit a minimum basket spend of £499 is required. Finance is subject to status, age, affordability and credit checks. T&Cs apply.

▵ Finance is only available to residents aged 18 or over. Subject to status and affordability. Our calculator provides an illustrative example only, of monthly repayments against the amount you wish to borrow. Should you proceed to pay via finance, exact monthly payments will be displayed prior to submission of your finance application to our lenders partners.
All finance is subject to status and credit

Oak Furnitureland Group Limited (FRN: 928005), an Appointed Representative of Consumer Credit Compliance Limited are authorised and regulated by the Financial Conduct Authority (FRN: 631736). Oak Furnitureland Group Limited trades as Oak Furnitureland. The permissions of Consumer Credit Compliance Limited as a Principal firm allow Oak Furnitureland Group Limited to undertake credit broking.
Oak Furnitureland Group Limited acts as a credit broker not a lender and will introduce you to Secure Trust Bank PLC trading as V12 Retail Finance, Creation Consumer Finance Limited and Novuna Personal Finance, a trading style of Mitsubishi HC Capital UK PLC to complete your application for finance. We do not earn a fee or commission for the introduction. Finance is subject to status, age, affordability and credit checks. Late payment fees and other charges may be payable, please refer to your finance agreement for full details and T&Cs.

* Delivery - Fast delivery on selected lines only. Subject to stock availability and based on accepting the first delivery date offered. Available dates are presented at checkout, and may vary depending on the delivery option selected. Due to a limited delivery schedule to the Isle of Wight, 7-day delivery may be limited in this area. Deliveries to the Isle of Wight are subject to a £70 surcharge which will be applied at checkout. 
*Lifetime Furniture Guarantee covers the structural framework of all of our furniture, giving you confidence they’re built to last. T&Cs apply.
* Half Price Chairs - Offer is limited to up to 10 dining chairs when you buy any dining table. Dining chairs are sold in pairs.

Super king size mattresses

Super king-size mattresses

Find your ideal firmness

Pair with a super king bed frame

Match with bedroom furniture

Want to hear about our special offers?

Receive updates on new ranges and be inspired all year round

Thank You!