Furniture › Bedroom Furniture › Mattresses & Boxsprings › King › 79 x 56 x 65

Lucid Comfort Collection Lucid Comfort Adjustable Bed w/ 10" Memory Foam Mattress | 14.75 H x 76 W x 79.5 D in | Wayfair LUCC10KKMFL6LP

Create the perfect combination of customization and comfort when you pair the lucid comfort collection deluxe adjustable bed base with the lucid comfort collection 10-inch firm memory foam mattress. The Lucid comfort collection deluxe adjustable bed... more

Queen Firm 10" Gel/Foam Mattress - Signature Design by Ashley Gel Memory Foam & Bed Frame | 79 H x 59 W 10 D in Wayfair PKG009871

This 10-inch king pillow top innerspring mattress and foundation set combines top comfort and endless possibilities for restful sleep. You'll love the inviting feel of the mattress’ soft top surface with high-density quilt foam. The firming pad and... more

King Medium 14" Hybrid Mattress - Wayfair Sleep™ Sleep | 79 H x 75 W 14 D in 4EC1979AA09D42FEA53F4B6D7693101E

Set the stage for a good night’s sleep with this 14” medium plush hybrid mattress with edge support. It is crafted using a six-layer combination of pocket coils and gel memory foam and features a medium firmness with low motion transfer - so your... more

King Firm 9" Hybrid Mattress - Wayfair Sleep™ Sleep | 79 H x 75 W 9 D in A6F0E2D7762A4666AF80EE58C2C2A235

This mattress is here to help you round out your master suite, transforming it into a truly restful retreat! It's compatible with a variety of bed frames and bases, so you can easily add it to an existing frame. Pocket coils combine with a layer of... more

King 10" Gel/Foam Mattress - Signature Design by Ashley Serena Gel Foam | 79 H x 75 W 10 D in Wayfair M58941

Enjoy endless possibilities for restful sleep with the Gruve hybrid innerspring mattress. You get the best of both worlds: the pressure relief of cooling gel-infused memory foam for superior support. Rest assured that high-density quilt foam provides... more

King Medium 16" Mattress - Stearns & Foster Reserve Tight Top | 79 H x 76 W 16 D in Wayfair 53008161

The Stearns & Foster Reserve Collection is our highest expression of quality and the most comfortable mattress we’ve ever made—meticulously designed with our finest materials to deliver one-of-a-kind comfort. Mattress Size: King | King Medium 16"... more

King Firm 8" Memory Foam Mattress - Serta Sheer Slumber Medium | 79.5 H x 76 W 8 D in Wayfair 500776578-1060

The Serta Sheer Slumber 8" Medium Firm Gel Memory Foam Mattress-In-A-box delivers quality, convenient comfort to your front door in our smallest carton ever. We’ve combined cooling Serta Gel Memory Foam with our durable Serta Foam Core for a cool,... more

King Medium 9" Hybrid Mattress - Wayfair Sleep™ Sleep | 79 H x 75 W 9 D in A44E600CDCA7444F90030EBA09D36170

You deserve a good night's sleep, which means getting a mattress that suits your needs! This hybrid mattress combines two leading sleep technologies into one design, so it tackles everything you're looking for in a bed. The wrapped coil base gives this... more

King Firm 12" Hybrid Mattress - Signature Design by Ashley Limited Edition Mattress, Cotton | 79 H x 75 W 12 D in Wayfair M62541

Luxury comfort leads to luxury rest. This firm queen mattress soothes your body with cottony softness on the cover. Packed inside are layers of support foam and gel memory foam to relieve your pressure points. Rows of power-packed wrapped coils help... more

King Medium 12" Hybrid Mattress - Wayfair Sleep™ Pillow Top | 79 H x 75 W 12 D in FC66CC456E034896A0991B6D9E056D14

Sometimes all you want to do at the end of a long day is flop down in bed and snooze - we get it. That's what this 12" medium hybrid mattress is here to help you do: Crafted with both pocket coils and gel memory foam, it's perfect for giving you the... more

King Firm 6" Innerspring Mattress - Wayfair Sleep™ Sleep Mattress, Polyester | 79 H x 75 W 6 D in 22AEB5A2E91F4264AA061AF50AB1EA9F

Whether you curl up or sprawl out, you deserve a spot that supports you while you sleep, like this 6" firm innerspring mattress! It's crafted using three layers - continuous coils, felt padding, and quilted foam - that's perfect for supporting you... more

Alwyn Home Easy Wood Box Spring/Foundation w/ Simple Assembly Wood in Brown | 7.75 H x 75.5 W x 79.5 D in | Wayfair

We are a proud manufacturer of the finest quality mattresses and box springs, with the highest standards in durability, quality, comfort, and beauty. All of our products are to ensure that you get only the best. Size: King, Profile: Standard Profile... more

White Noise Fralick Twin Split Wood Box Spring Wood in Brown | 8 H x 75 W x 79 D in | Wayfair 07D9FFFFCABE4284AA2BE09A197754ED

Cherish the sweetest of your dreams and a peaceful sleep with the Wooden Box Spring. This charming deluxe product has been handcrafted by our team in such a way that it provides underlying support for the mattresses. The cheapest, long-lasting plush... more

King Firm 10" Gel/Foam Mattress - Lucid Comfort Collection 10”Gel Memory Foam Medium Feel | 79 H x 75 W 10 D in Wayfair LUCC10KK45MF

The Lucid 10” Firm Gel Memory Foam Mattress was made for anyone who loves firmer support that still maintains a soft feel. Layers of firm base foam and premium memory foam combine to offer optimal support and contouring comfort. The cooling gel-infused... more

King Firm 15" Hybrid Mattress - Beautyrest Black KX-Class Plush | 79.5 H x 76 W 15 D in Wayfair 700811497-1060

Elevate your sleep to a luxurious reward night after night. Our most advanced collection yet, the Beautyrest black hybrid 15" firm mattress offers up to 21% more support where your body needs it the most. With help from our new plant-based cooling... more

King Firm 12" Memory Foam Mattress - Signature Design by Ashley Chime | 79 H x 75 W 12 D in Wayfair M72741

When it comes to your comfort, chime in for this Signature Design by Ashley Chime Firm Memory Foam Mattress. Its foam contours to your body delivering amazing support, pressure relief, and comfort. The thick memory foam layer is supported by a super... more

King Medium 13.25" Hybrid Mattress - Serta iComfortECO Q10 | 79.5 H x 76 W 13.25 D in Wayfair 500802391-1060

Featuring select materials that are up to 70% sustainable, the iComfortECO supportive mattress offers a hybrid construction with a smooth, memory foam feel—with upgrades available for even more cooling, comfort, and pressure relief. Mattress Size: King... more

King 12" Hybrid Mattress - Signature Design by Ashley 12 Inch Foundation w/ | 79 H x 59 W D in Wayfair M628M8

The Hybrid 1200 queen mattress and foundation set is simply a better way to get a great night’s sleep. Feel the support of a truly traditional coil mattress which contours to your body for a comforting feel. High-density foam provides the firmness you... more

King 12" Hybrid Mattress - The Twillery Co.® Burntwood Frim | 79 H x 75 W 12 D in Wayfair CC5BC8A968BE48229DC7648CE21EA4D2

This multi-layer hybrid mattress offers a firm, yet comfortable sleeping experience with its combination of gel and graphite-infused memory foam. Designed to keep you cool and provide pressure point relief, it cradles your body shape for a deeper, more... more

King Waterbed Mattress - White Noise 28" Semi-Waveless Shallow Fill Soft-Side | 28 H x 75 W 79 D in Wayfair 788C8FE313CA4BFDBC4435482F01EB13

The revolutionary memory-gel pillow top semi-waveless shallow-fill soft side tube waterbed features significantly lighter weight with portable and adjustable cylinder support. Featuring a memory-gel top layer and progressive support with a 5-zone body... more

King Firm 13.75" Innerspring Mattress - Beautyrest Black L-Class | 79.5 H x 76 W 13.75 D in Wayfair 700811472-1060

Elevate your sleep to a luxurious reward, night after night. As a part of our most advanced collection yet, the Beautyrest black l-class 13.75" firm mattress offers up to 21% more support where your body needs it the most.* with help from our new... more

King 15.25" Innerspring Mattress - Beautyrest Black C-Class Plush Mattress, Latex | 79.5 H x 60 W 15.25 D in Wayfair 700811475-1060

Elevate your sleep to a luxurious reward night after night. As a part of our most advanced collection yet, the Beautyrest Black C-Class 15.25" Plush Mattress offers up to 21% more support where your body needs it the most.* With help from our new... more

Alwyn Home Wood Bunkie Board Wood in Brown | 0.75 H x 79 D in | Wayfair E8F5C493AB4A472BB140D38E877BFAE4

The bunkie board provides a surface foundation for any platform beds, bunks, and daybeds. It adds support to the mattress and will keep the mattress stay in good shape thus extending the life of your mattress. It will give firm bottom support for the... more

King 15" Hybrid Mattress - Beautyrest Black CX-Class Plush | 79.5 H x 83.5 W 15 D in Wayfair 700811495-1060

Elevate your sleep to a luxurious reward night after night. Our most advanced collection yet, the Beautyrest black hybrid 15" plush mattress offers up to 21% more support where your body needs it the most.* with help from our new plant-based cooling... more

King Medium 13.75" Innerspring Mattress - Beautyrest Black C-Class Mattress, Latex | 79.5 H x 83.5 W 13.75 D in Wayfair 700811476-1060

Elevate your sleep to a luxurious reward night after night. As a part of our most advanced collection yet, the Beautyrest Black C-Class 13.75" Medium Mattress offers up to 21% more support where your body needs it the most. With help from our new... more

King 12" Hybrid Mattress - The Twillery Co.® Plush Mattress, Polyester | 79 H x 75 W 12 D in Wayfair 71EF20D373614EDEBD5D820FDCF3DD04

Sink into plush comfort every night. This 12" mattress has a tight top, edge support, and low-motion transfer, so it's designed to let you stay asleep, even if you or your partner toss and turn. Its 9 layers of memory and graphite-infused foam offer a... more

King Medium 12" Hybrid Mattress - Sleep Inc. Solutions | 79 H x 75 W 12 D in Wayfair S70512E-1060

Get total comfort at a cozy price with the Sleep Inc. Sleep Solutions 12" Hybrid Mattress. Sleep Inc. hybrid mattresses combine cradling cool gel memory foam with traditional innerspring to give you the support you are used to with the pressure relief... more

King 16" Innerspring Mattress - Beautyrest Black C-Class Plush Pillow Top Mattress, Latex | 79.5 H x 76 W 16 D in Wayfair 700811478-1060

Elevate your sleep to a luxurious reward night after night. As a part of our most advanced collection yet, the Beautyrest black c-class 16" plush pillow top mattress offers up to 21% more support where your body needs it the most. With help from our... more

King Medium 10" Hybrid Mattress - Sleep Inc. Solutions | 79 H x 75 W in Wayfair S30510E-1060

Get total comfort at a cozy price with the SLEEPINC. 10-inch Hybrid Mattress. SLEEP INC. Hybrid mattresses combine cradling memory foam with traditional innerspring for the ease of a memory foam mattress but with a livelier feel. Experience a great... more

King 12" Gel/Foam Mattress - Wayfair Sleep™ Plush Cooling Gel Memory Foam | 79 H x 75 W 12 D in 9DF7F2871FEE48D9B879AE40D7A985C3

Get the sleep you deserve with a mattress that supports you, like this 12" memory foam option. Crafted using four layers of hypoallergenic memory foam with a tight top for a plush feel, this mattress is perfect for those who like to sink into their bed... more

King Firm 15" Hybrid Mattress - Beautyrest Black KX-Class | 79.5 H x 83.5 W 15 D in Wayfair 700811496-1060

Elevate your sleep to a luxurious reward night after night. Our most advanced collection yet, the Beautyrest black hybrid 15" firm mattress offers up to 21% more support where your body needs it the most. With help from our new plant-based cooling... more

King Medium 10" Gel/Foam Mattress - Lucid Comfort Collection Gel Memory Foam & Adjustable Base | 79.75 H x 75 W 10 D in Wayfair LUCC10KK3PL6LP

Create the perfect combination of customization and comfort when you pair the LUCID Comfort collection deluxe adjustable bed base with the LUCID Comfort Collection 10-inch plush memory foam mattress. The LUCID Comfort collection deluxe adjustable bed... more

King Medium 13.5" Innerspring Mattress - Beautyrest Black L-Class | 83.5 H x 79.5 W 13.5 D in Wayfair 700811471-1060

Elevate your sleep to a luxurious reward night after night. As a part of our most advanced collection yet, the Beautyrest Black L-Class 13.5" medium mattress offers up to 21% more support where your body needs it the most. With help from our new... more

Alwyn Home Pocket Spring Mattress Bed-in-a-Box Foam Bed Mattress Medium Hardness, Polyester | 7.9 H x 76 W x 79.9 D in | Wayfair

Use this pocket spring bed mattress to enjoy a restful night's sleep! It offers you maximum relaxation and pleasant sleep. Note: For hygiene reasons, the mattress cannot be returned if the packaging is removed or opened. Color: White and light gray;... more

Alwyn Home Spring Mattress Bed-in-a-Box Single Bed Foam Mattress Medium Hardness, Polyester | 7.9 H x 76 W x 79.9 D in | Wayfair

Use this pocket spring bed mattress to enjoy a restful night's sleep! It offers you maximum relaxation and pleasant sleep. Note: For hygiene reasons, the mattress cannot be returned if the packaging is removed or opened. Color: White and light gray;... more

Alwyn Home Spring Mattress Bed-in-a-Box Single Bed Foam Mattress Medium Hardness, Polyester | 7.9 H x 76 W x 79.9 D in | Wayfair

Use this pocket spring bed mattress to enjoy a restful night's sleep! It offers you maximum relaxation and pleasant sleep. Note: For hygiene reasons, the mattress cannot be returned if the packaging is removed or opened. Color: White and light gray;... more

Alwyn Home Pocket Spring Mattress Bed-in-a-Box Foam Bed Mattress Medium Hardness, Polyester | 7.9 H x 76 W x 79.9 D in | Wayfair

Use this pocket spring bed mattress to enjoy a restful night's sleep! It offers you maximum relaxation and pleasant sleep. Note: For hygiene reasons, the mattress cannot be returned if the packaging is removed or opened. Color: White and light gray;... more

Alwyn Home Spring Mattress Bed-in-a-Box Single Bed Foam Mattress Medium Hardness, Polyester | 7.9 H x 76 W x 79.9 D in | Wayfair

Use this pocket spring bed mattress to enjoy a restful night's sleep! It offers you maximum relaxation and pleasant sleep. Note: For hygiene reasons, the mattress cannot be returned if the packaging is removed or opened. Color: White and light gray;... more