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iTwin Melodic Firm 14” King Mattress

King mattress with individually wrapped coils and gel lumbar for solid, pressure-relieving support below extra firm air flow foam.
Market Price $1299
$899
 
You Save: $400.00!
$899.00

iTwin Melodic 14” Plush King Mattress

Plush king mattress features individually wrapped coils and a pressure-relieving layer of cool gel foam beneath a luxurious pillow top.
Market Price $1099
$899
 
You Save: $200.00!
$899.00

Consumer Digest Odyssey 13.5” Euro Top King Mattress

Plush king mattress in closeout fabrics features supportive wrapped coils, a Marvelous Middle® and cooling Outlast® Silver technology.
Market Price $1190
$795
 
You Save: $395.00!
$795.00

Enso Allure 8” Gel Memory Foam King Mattress

Firm gel memory foam king mattress offers conforming support, pressure relief and a cool feel beneath a soft, removable knit cover.
Market Price $800
$399
 
You Save: $401.00!
$399.00

Hand and Spool 13” Luxury Firm Innerspring King Mattress

King mattress delivers the firm, conforming support of wrapped coils along with the luxury comforts of natural horsehair, wool and latex.
Market Price $9000
$1,899
 
You Save: $7,101.00!
$1,899.00

King Koil World Luxury 14.5” Pillow Top King Mattress

Plush king mattress combines the circulatory benefits of copper with pressure-relieving latex lumbar and individually wrapped coils.
Market Price $3499
$1,199
 
You Save: $2,300.00!
$1,199.00

HD Super Duty Justice 13” Innerspring King Mattress

Closeout king mattress offers the best support for back pain with latex lumbar and plush tri-zoned comfort foams over tempered steel coils.
Market Price $2402
$1,199
 
You Save: $1,203.00!
$1,199.00

Englander E-Gel 14.5” Pillow Top King Mattress

Plush king mattress features cooling and conforming E-gel™ visco memory foam, individually wrapped coils and a durable Quantum® edge.
Market Price $1799
$999
 
You Save: $800.00!
$999.00

James & Owen Paisley 13.5” Hybrid King Mattress

Canada’s mattress store Dumps this plush Euro Top king mattress with silk, wool, gel latex & thousands of coils for hundreds off the price.
Market Price $2379
$1,099
 
You Save: $1,280.00!
$1,099.00

iTwin Hi Tech Silhouette 11.5” Gel Memory Foam King Mattress

Liquid and transition gel foam layers create a cool, responsive king mattress that conforms to every unique curve of the body.
Market Price $3299
$1,599
 
You Save: $1,700.00!
$1,599.00

iTwin Hi Tech Protege 13” Gel Memory Foam King Mattress

Plush king mattress features conforming liquid gel foam and pressure-relieving gel bead layers with cooling Active Air Technology™.
Market Price $2599
$999
 
You Save: $1,600.00!
$999.00

King Koil Laura Ashley 14” Pillow Top King Mattress

Fabric designs from previous line-ups mean you get this king mattress with cooling gel foam, latex & encased coils for hundreds less.
 
$1,199
 
$1,199.00

iTwin Tori 14.5" Firm King Mattress

King mattress with thousands of supportive foam encased coils beneath pressure-relieving visco and cooling gel foam layers.
Market Price $1937
$1,099
 
You Save: $838.00!
$1,099.00

iTwin Hi Tech Cirrus 11.5” Gel Memory Foam King Mattress

Liquid gel and memory foam layers beneath a quick drying quilt create a king mattress that feels as cool and soft as a cloud.
Market Price $3299
$1,599
 
You Save: $1,700.00!
$1,599.00

iTwin Tori 17" Pillow Top King Mattress

Firm king mattress features AirFlow and cooling gel memory foams atop thousands of foam encased coils for individualized support.
Market Price $2024
$1,399
 
You Save: $625.00!
$1,399.00

iTwin Tori 14.5" Plush King Mattress

Tight top king mattress with cooling gel foam, pressure-relieving millennial coils and visco foam over individually wrapped coils.
Market Price $1937
$1,099
 
You Save: $838.00!
$1,099.00

iTwin Hi Tech Cumulus Luxe 13” Memory Foam King Mattress

American made king memory foam mattress feels like a cloud with its conforming liquid gel foam layer and quick drying, soft quilt.
Market Price $4499
$1,799
 
You Save: $2,700.00!
$1,799.00

Aireloom Arabella 11.5” Latex King Mattress

Handcrafted king mattress combines the benefits of sustainable Tencel, pure wool and silk with the supple support of breathable latex.
Market Price $3199
$1,929
 
You Save: $1,270.00!
$1,929.00

Aireloom Willow 14.5” Plush King Mattress

Handmade king innerspring mattress combines the pressure relieving benefits of memory foam with the cooling comfort of talalay latex.
Market Price $5178
$3,539
 
You Save: $1,639.00!
$3,539.00

iTwin Hi Tech Forte 12” Gel Memory Foam King Mattress

Plush gel and foam with enhanced air flow technology covered in a quick-drying quilt put this king mattress in a class of its own.
Market Price $2299
$899
 
You Save: $1,400.00!
$899.00

Aireloom Cameron 14” Innerspring King Mattress

King plush mattress handmade with 42 pounds of cotton features layers of latex and memory foam for a luxuriously plush feel.
Market Price $14059
$4,039
 
You Save: $10,020.00!
$4,039.00

5-Diamond Hotel Mattress Classic King

The Classic king mattress sets a new standard for luxury bedding with individually wrapped coils.
Market Price $1421
$1,029
 
You Save: $392.00!
$1,029.00

Aireloom Almond IV 14.5” Innerspring King Mattress

Luxury firm king mattress features natural silk and wool fibers over pressure relieving visco memory foam and strategic support layers.
Market Price $3699
$2,839
 
You Save: $860.00!
$2,839.00

Aireloom Dawn 15.5” Innerspring King Mattress

Individually wrapped coils support layers of memory foam, latex and organic cotton under the moisture-wicking cover of this king mattress.
Market Price $16799
$4,450
 
You Save: $12,349.00!
$4,450.00

Aireloom Evening 15.5” Innerspring King Mattress

Foam encased individually wrapped coils provide a durable base for the latex and memory foam comfort layers of this plush king mattress.
Market Price $6289
$3,839
 
You Save: $2,450.00!
$3,839.00

Aireloom Willow 14.5” Firm King Mattress

American-made king innerspring mattress with latex and memory foam cushioning beneath a hand-tufted, conforming knit surface.
Market Price $5178
$3,539
 
You Save: $1,639.00!
$3,539.00

Heavenly Tight Top King Mattress

Tight top king mattress features cooling gel, airflow memory foam, and hundreds of individually wrapped coils.
Market Price $791
$539
 
You Save: $252.00!
$539.00

iTwin Black Macklin 14.5” Hybrid King Mattress

Luxury gel-infused memory foam and latex king mattress offers contouring support with firm zoned coils to relieve pressure points.
Market Price $3199
$1,499
 
You Save: $1,700.00!
$1,499.00

iTwin Black Natalie 14.5” Hybrid King Mattress

Euro top king mattress with supportive zoned coils beneath layers of gel infused memory foam and latex with cooling air technologies.
Market Price $3399
$1,919
 
You Save: $1,480.00!
$1,919.00

iTwin Black Stanbury 18.5” Hybrid King Mattress

Euro top king mattress with zoned foam encased coils, gel infused memory foam and latex covered by cooling wool and silk damask.
Market Price $4599
$1,999
 
You Save: $2,600.00!
$1,999.00

iTwin Hotel Continental 14.5” Hybrid King Mattress

Handcrafted Euro top king mattress features foam encased coils, cooling airflow, zoned support, and a luxury silk fiber quilt.
Market Price $2249
$1,099
 
You Save: $1,150.00!
$1,099.00

iTwin Isle of Capri 11” Innerspring King Mattress

Firm king mattress features an eco-friendly Tencel cover over air flow and gel memory foams atop individually wrapped support coils.
Market Price $1220
$489
 
You Save: $731.00!
$489.00

Symbol Dream Weaver 7” Memory Foam King Mattress

A dense, deep structure core supports layers of conforming foams to ensure strength and stability for the life of this king mattress.
Market Price $359
$439
 
$439.00

A.H. Beard Langford 15” Pillow Top King Mattress

In-store special! Plush king mattress features a silk, wool and cashmere blend over latex, cool gel foam and zoned wrapped steel coils.
Market Price $6588
$1,699
 
You Save: $4,889.00!
$1,699.00

Shifman Cheyenne 15.5” Double-Sided Pillow Top King Mattress

Luxury king mattress handmade with Joma wool and cotton, as well as hundreds of individually wrapped coils for lasting, firm support.
Market Price $8565
$4,099
 
You Save: $4,466.00!
$4,099.00

Shifman Annapolis 15” Double-Sided Pillow Top King Mattress

Plush king mattress is handmade with soft Joma wool and natural cotton on both sides, along with supportive individually wrapped coils.
Market Price $8565
$4,099
 
You Save: $4,466.00!
$4,099.00
Find more in our outlet stores
Find more in our outlet stores

The Dump has a diverse array of king size mattresses to make your master bedroom fit for a monarch. At 76 inches wide and 80 inches long, king mattresses provide plenty of space for two partners to lie comfortably together. With a range of innerspring, memory foam, hybrid mattresses and more from big brands like Consumer Digest and Aireloom at unbeatable discounts, you're bound to find the one you've been dreaming of.

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