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Mattresses


Mattresses are arguably the most important item in your whole home. Getting a great night's sleep is essential and comfortable mattresses are a great way to ensure one. This is a big purchase so it's important to do a little research about mattresses to ensure the perfect fit.Read More


Cymax offers mattresses in all the standard sizes. Twin mattresses are the perfect fit for your kids bedroom while full mattresses are perfect for teens or small master bedrooms. Queen mattresses are still our most popular size but you might prefer to stretch out with a king size mattress instead. We have innerspring, pocketed coil and memory foam mattresses from major mattress name brands, including Simmons mattresses and Comfort Magic mattresses.


Not what you are looking for? See our selection of beds or see our bedroom furniture for all the options.


19 items found for
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King Already Assembled Mattresses

Filtered by: clear all

Wolf Hybrid Line Mistral Hybrid Mattress - King

(Also available in Twin, Full, Queen)

save

31%

$706.90

$599.00 retail

FREE SHIPPING

$706.90

$599.00 retail

FREE SHIPPING

save

31%

Wolf Hybrid Line Mistral Hybrid Mattress - King

(Also available in Twin, Full, Queen)

11.5"H x 76"W x 80"D   493470


Wolf Hybrid Line Rosetti Hybrid Mattress - King

(Also available in Twin, Full, Queen)

save

37%

$601.17

$599.00 retail

FREE SHIPPING

$601.17

$599.00 retail

FREE SHIPPING

save

37%

Wolf Hybrid Line Rosetti Hybrid Mattress - King

(Also available in Twin, Full, Queen)

11.5"H x 76"W x 80"D   493471

Wolf Hybrid Line Giovanni Hybrid Mattress - King

(Also available in Twin, Full, Queen)

save

31%

$659.10

$659.00 retail

FREE SHIPPING

$659.10

$659.00 retail

FREE SHIPPING

save

31%

Wolf Hybrid Line Giovanni Hybrid Mattress - King

(Also available in Twin, Full, Queen)

11.5"H x 76"W x 80"D   493469

Wolf Hybrid Line Austin Hybrid Mattress - King

(Also available in Twin, Full, Queen)

save

47%

$719.60

$799.00 retail

FREE SHIPPING

$719.60

$799.00 retail

FREE SHIPPING

save

47%

Wolf Hybrid Line Austin Hybrid Mattress - King

(Also available in Twin, Full, Queen)

11.5"H x 76"W x 80"D   493467

Wolf Hybrid Line Villani Hybrid Mattress - King

(Also available in Twin, Full, Queen)

save

32%

$745.91

$639.00 retail

FREE SHIPPING

$745.91

$639.00 retail

FREE SHIPPING

save

32%

Wolf Hybrid Line Villani Hybrid Mattress - King

(Also available in Twin, Full, Queen)

11.5"H x 76"W x 80"D   493472

Wolf Hybrid Line Alcott Hybrid Mattress - King

(Also available in Twin, Full, Queen)

save

32%

$719.56

$619.00 retail

FREE SHIPPING

$719.56

$619.00 retail

FREE SHIPPING

save

32%

Wolf Hybrid Line Alcott Hybrid Mattress - King

(Also available in Twin, Full, Queen)

10.5"H x 76"W x 80"D   493468

Signature Sleep 8 Inch King RenewGel Mattress

save

38%

$432.69

$699.99 retail

FREE SHIPPING

$432.69

$699.99 retail

FREE SHIPPING

save

38%

Signature Sleep 8 Inch King RenewGel Mattress 8"H x 76"W x 80"D   491643





Choose your size:

Twin Size

$310.99

Full Size

$400.37

Queen Size

$472.98

King Size

$583.99

Wolf Legacy Firm King Size Matress in White

save

30%

$583.99

$833.99 retail

FREE SHIPPING

$583.99

$833.99 retail

FREE SHIPPING

save

30%

Wolf Legacy Firm King Size Matress in White 10"H x 76"W x 80"D   509262

Choose your size:

Twin Size

$281.99

Full Size

$377.20

Queen Size

$444.01

King Size

$554.99

Wolf Tranquility Plush King Size Matress in White

save

30%

$554.99

$792.99 retail

FREE SHIPPING

$554.99

$792.99 retail

FREE SHIPPING

save

30%

Wolf Tranquility Plush King Size Matress in White 10"H x 76"W x 80"D   509278

Choose your size:

Twin Size

$321.99

Full Size

$435.12

Queen Size

$530.90

King Size

$641.99

Wolf Legacy Pillow Top King Size Matress in White

save

30%

$641.99

$916.99 retail

FREE SHIPPING

$641.99

$916.99 retail

FREE SHIPPING

save

30%

Wolf Legacy Pillow Top King Size Matress in White 12"H x 76"W x 80"D   509270

Choose your size:

Twin Size

$310.99

Full Size

$417.74

Queen Size

$501.94

King Size

$612.99

Wolf Tranquility Pillow Top King Size Matress in White

save

30%

$612.99

$875.99 retail

FREE SHIPPING

$612.99

$875.99 retail

FREE SHIPPING

save

30%

Wolf Tranquility Pillow Top King Size Matress in White 12"H x 76"W x 80"D   509282

Choose your size:

Twin Size

$281.99

Full Size

$377.20

Queen Size

$444.01

King Size

$554.99

Wolf Tranquility Firm King Size Matress in White

save

30%

$554.99

$792.99 retail

FREE SHIPPING

$554.99

$792.99 retail

FREE SHIPPING

save

30%

Wolf Tranquility Firm King Size Matress in White 10"H x 76"W x 80"D   509274

Choose your size:

Twin Size

$310.99

Full Size

$400.37

Queen Size

$472.98

King Size

$583.99

Wolf Legacy Plush King Size Matress in White

save

30%

$583.99

$833.99 retail

FREE SHIPPING

$583.99

$833.99 retail

FREE SHIPPING

save

30%

Wolf Legacy Plush King Size Matress in White 10"H x 76"W x 80"D   509266



Featured reviews

Comfort Magic Plush 14 Inch Memory Foam Mattress


 
 

I ordered this mattress after months of research but was still very nervous about ordering off the internet. I went into local s ...    Read more
- Shopper in Connecticut

Comfort Magic Plush 11 Inch Memory Foam Mattress


 
 

a gift for my 20 yr old granndaughter she loves it she loves thr frame too
- Shopper in long island ny

Simmons BeautySleep Kalama Plush Pillow Top Mattress


 
 

I have not slept this well since I stayed at 4 Star Hotel in Nashville TN.
- Shopper in Kenmore WA


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