King Default Category

King mattresses measure 76" × 80" — the widest standard size, giving each partner the same personal space as a twin. They're the top choice for couples who want maximum room, families who co-sleep, and larger master bedrooms. Compare every king option below by brand, feel, and price.

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SPRINGWALL® Comfort Pockets® 13" Luxury Plush Euro-Top Mattress
BEST IN CLASS TOP RATED TRENDING
PLUSH
Full Perimeter Comfort Pockets® (Pocket Coils)
HD Plush Bio Comfort Foam
Bio Foam with Gel
Bio Comfort Quilted Stretch knit surface
Made In Canada
Single/Twin $323
Twin XL $419
Double/Full $426
Queen $511
Compare at $1,099
King $648
In-Stock
On Display:
Free delivery to M5H 2N1 as soon as Tomorrow, Sep 15
Only Pickup available to
M5H 2N1
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SPRINGWALL® Comfort Pockets® 12" Medium Firm Euro-Top Mattress
BEST IN CLASS BEST SELLING TOP RATED
MEDIUM
884 Full Perimeter Comfort Pockets® (Pocket Coils)
Bio Foam with Gel
HD Medium Bio Comfort Foam
Bio Comfort Quilted Stretch knit surface
Made In Canada
Single/Twin $323
Twin XL $419
Double/Full $426
RV Short Queen $550
Queen $511
Compare at $1,099
King $648
In-Stock Only 6 left!
On Display:
Free delivery to M5H 2N1 as soon as Tomorrow, Sep 15
Only Pickup available to
M5H 2N1
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SERTA® Perfect Day™ 10" Firm Tight Top Mattress
LIMITED STOCK NEW ARRIVAL
FIRM
800 Serta® StablEdge™ 3-Zone Coil System
Serta® Anti-Microbial Knit Cover
Serta® PillowSoft™ Foam
Serta® Gel Support Foam
10 Year Warranty
Made In Canada
Single/Twin $417
Twin XL $460
Double/Full $467
Queen $506
Compare at $1,199
King $653
In-Stock Only 3 left!
On Display:
Free delivery to M5H 2N1 as soon as Tomorrow, Sep 15
Only Pickup available to
M5H 2N1
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SERTA® Modern Series™ 8" Medium Firm Gel Foam Mattress
BEST IN CLASS TOP RATED LIMITED STOCK
MEDIUM
8 Inch Model with Double Layers of Comfort
Serta CoolWick Breathable Cover
PureComfort Gel Foam with PureComfort Foam Support Core
Designed and Built in Canada
Single/Twin $431
Twin XL $445
Double/Full $488
Queen $535
Compare at $1,299
King $653
In-Stock Only 2 left!
On Display:
Free delivery to M5H 2N1 as soon as Tomorrow, Sep 15
Only Pickup available to
M5H 2N1
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SEALY® Essentials 10.5" Medium Firm Eurotop Foam Mattress
BEST IN CLASS TOP RATED TRENDING
MEDIUM
CleanProtect™ Fabric
SealyLoft™ Quilt with Moisture Wicking Fibres
CertiPUR-US™ SealySupport™ HD Foam
CertiPUR-US™ SealySupport™ HD Core
SealySupport™ HD Foam
Single/Twin $432
Twin XL $478
Double/Full $486
Queen $505
Compare at $1,199
King $655
In-Stock Only 3 left!
On Display:
Free delivery to M5H 2N1 as soon as Tomorrow, Sep 15
Only Pickup available to
M5H 2N1
View Details
NM® Hi-Loft™ Elite 10" Extra-Firm Tight Top Mattress
LIMITED STOCK NEW ARRIVAL
EX-FIRM
1100 3-Zone Pocket Coil, Foam-Encased
White Cotton & Natural Bamboo Blend Cover
Smooth Quilted Tight Top
1″ High Density Support Foam
10 Year Warranty
Made In Canada
Single/Twin $376
Twin XL $431
Double/Full $437
Queen $477
Compare at $999
King $662
In-Stock Only 7 left!
On Display:
Free delivery to M5H 2N1 as soon as Tomorrow, Sep 15
Only Pickup available to
M5H 2N1
View Details
NM® Hi-Loft™ Elite 12" Plush Euro Top Mattress
LIMITED STOCK NEW ARRIVAL
PLUSH
1100 3-Zone Pocket Coil, Foam-Encased
12″ Plush Euro Top
1.5″ Soft Bio Foam
Cotton & Natural Bamboo Blend Cover
Heat-Treated Cotton Felt Pad
CertiPUR-US® Certified, Fiberglass-Free
10 Year Warranty
Made In Canada
Single/Twin $376
Twin XL $430
Double/Full $437
Queen $477
Compare at $999
King $664
In-Stock
On Display:
Free delivery to M5H 2N1 as soon as Tomorrow, Sep 15
Only Pickup available to
M5H 2N1
View Details
SEALY® Essentials 11" Medium Firm Tight Top Mattress
BEST IN CLASS TOP RATED LIMITED STOCK
MEDIUM
CleanProtect™ Fabric
SealyLoft™ Quilt with Moisture Wicking Fibres
CertiPUR-US™ SealySupport™ HD Foam
Posture Touch® Pocket Coils
EssentialEdge™ Coil Support
Single/Twin $409
Twin XL $423
Double/Full $462
Queen $505
Compare at $1,199
King $675
In-Stock Only 3 left!
On Display:
Free delivery to M5H 2N1 as soon as Tomorrow, Sep 15
Only Pickup available to
M5H 2N1
View Details
NM® Hi-Loft™ Elite 12" Firm Euro Top Mattress
LIMITED STOCK NEW ARRIVAL
FIRM
1100 3-Zone Pocket Coil, Foam-Encased
Quilted Euro Top Surface
3″ High Density Comfort Foam
Heat-Treated Cotton Felt Insulator Pad
White Cotton & Natural Bamboo Blend Cover
10 Year Warranty
Made In Canada
Single/Twin $392
Twin XL $463
Double/Full $470
Queen $503
Compare at $999
King $688
In-Stock Only 6 left!
On Display:
Free delivery to M5H 2N1 as soon as Tomorrow, Sep 15
Only Pickup available to
M5H 2N1
View Details
NM® Cozy Air™ 10" Firm Memory Foam Mattress
LIMITED STOCK NEW ARRIVAL
FIRM
7.5″ High Density Foam Core
2″ Cool Gel Memory Foam
3D Air-Knit Performance Fabric
Firm 8/10 Feel
Foam Core, No Coils
CertiPUR-US® Certified, Fiberglass Free
Mattress In A Box
10 Year Warranty
Made In Canada
Single/Twin $400
Twin XL $455
Double/Full $462
Queen $503
Compare at $1,199
King $688
In-Stock Only 8 left!
On Display:
Free delivery to M5H 2N1 as soon as Tomorrow, Sep 15
Only Pickup available to
M5H 2N1
View Details
NM® Hi-Loft™ Elite 12" Medium Firm Euro Top Mattress
FLASH SALE BEST IN CLASS BEST SELLING
MEDIUM
1000 Hi-Loft Pocket Coil with Foam Encased Perimeter
Cool Gel infused memory foam
Bio-Foam natural foam content reduces your carbon footprint
10 Year Warranty
Made In Toronto, Canada
Single/Twin $339
Twin XL $455
Double/Full $462
Queen $498
Compare at $999
King $698
In-Stock
On Display:
Free delivery to M5H 2N1 as soon as Tomorrow, Sep 15
Only Pickup available to
M5H 2N1
View Details
NM® Hi-Loft™ Elite 12" Extra-Firm Tight Top Mattress
FLASH SALE BEST IN CLASS TOP RATED
EX-FIRM
1000 Hi-Loft Pocket Coil with Foam Encased Perimiter
HD High Density Support Foam
Bio-Foam natural foam content reduces your carbon footprint
10 Year Warranty
Made In Toronto, Canada
Single/Twin $339
Twin XL $455
Double/Full $462
Queen $498
Compare at $999
King $698
In-Stock
On Display:
Free delivery to M5H 2N1 as soon as Tomorrow, Sep 15
Only Pickup available to
M5H 2N1
View Details

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Upgrade your sleep at National Mattress

Discover a mattress that transforms your sleep into a truly rejuvenating experience. We offer a wide variety of options to suit every sleep style and preference, ensuring a better night's sleep.

Why Choose Us?

Variety: From plush to firm, we have options for every body type and sleep style.
Quality: Trusted brands and top-notch materials for long-lasting comfort.
Sleep Trials & Warranties: Enjoy peace of mind with flexible trials and warranties.
Expert Advice: Get personalized recommendations from our sleep specialists.

Mattress Selection Includes

Memory Foam: Contours to your body for personalized comfort and pressure relief.
Hybrid: Combines responsive springs with foam for balanced support and comfort.
Innerspring: Provides firm support, bounce, and cooling airflow.
Latex: Hypoallergenic, eco-friendly, and exceptionally comfortable.
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