King Split Head Queen Split Head King Plush Mattresses Medium Mattresses New Arrivals Temperature-Regulating Mattresses Serta Mattresses

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.
Plush mattresses are the softest comfort level we carry — built with thick pillow-top and euro-top comfort layers (plus plush memory foam and hybrid options) that cradle your shoulders and hips for a soft, sink-in feel. Plush is the top choice for side sleepers and lighter-weight sleepers who need extra cushioning at the pressure points; back and stomach sleepers, or anyone who wants firmer support, may prefer our medium or firm options. Shop plush models from Sealy, Serta, Beautyrest, Stearns & Foster, iComfort and Tempur-Pedic in memory foam, hybrid and pocket-coil builds — with free delivery across Canada. • Feel: plush is the softest of our four comfort levels (plush, medium, firm, extra firm) • Best for: side sleepers and lighter-weight sleepers — cushions shoulders and hips • Consider firmer if: you sleep on your back or stomach, are heavier, or want more support • Plush constructions: pillow-top, euro-top, plush memory foam and hybrid • Builds: memory foam, hybrid and pocket-coil • Brands: Sealy, Serta, Beautyrest, Stearns & Foster, iComfort & Tempur-Pedic • Prices: from $224 to premium
Medium-firmness mattresses — often called medium-firm — sit right between plush and firm, which is why they're the most popular and versatile feel we carry. You get enough cushioning to relieve pressure with enough support to keep your spine aligned, making medium a safe choice for back sleepers, combination sleepers who change positions through the night, and couples who need a compromise between two preferences. Shop medium models from Sealy, Serta, Beautyrest, Stearns & Foster, iComfort and Tempur-Pedic across memory foam, hybrid, euro-top, pillow-top and tight-top builds — with free delivery across Canada. • Feel: medium sits between plush and firm — balanced and the most versatile of our four comfort levels • Also called "medium-firm" — the middle of the firmness scale • Best for: back sleepers, combination sleepers, couples, and most body types • Consider plush if you sleep on your side; firm if you sleep on your stomach or want more support • Constructions: euro-top, tight-top, pillow-top, memory foam and hybrid • Brands: Sealy, Serta, Beautyrest, Stearns & Foster, iComfort, Tempur-Pedic, Springwall & NM • Prices: from $171 to premium

See what's new at National Mattress — our latest arrivals, freshly added from the brands you trust. Right now that includes brand-new premium collections like the Beautyrest Centennial Hybrid and the Serta iComfort Zip, bringing the newest comfort technology, updated constructions and fresh designs across plush, medium and firm. New arrivals span every size, and because the lineup refreshes as each season's models land, it's the best place to discover the latest before everyone else. Every new mattress is backed by our 365-night sleep trial, price-match guarantee and free delivery across Canada. • The latest mattresses added to our lineup — refreshed as new models launch • Newest collections now: Beautyrest Centennial Hybrid & Serta iComfort Zip • Latest comfort tech and constructions across plush, medium and firm • Available in every size, from twin XL to king (including split sizes) • Premium and everyday models as they arrive • Every order: 365-night sleep trial, price-match guarantee & free Canada-wide delivery


A temperature-regulating mattress works to keep you at a comfortable, balanced temperature all night and all year — not just cooling you down, but adapting as your body and the seasons change so you don't wake up too hot or too cold. These mattresses use heat-responsive and breathable materials — phase-change covers, gel and graphite foams, Tencel and natural fibres, and airflow-promoting coils — to absorb and release warmth as needed. It's ideal if you run hot and cold, share a bed with a partner who sleeps at a different temperature, or just want consistent comfort through every season. You'll find temperature-regulating builds across every brand — Sealy, Serta, Beautyrest, iComfort, Tempur-Pedic, Chirofoam and our own NM line. Sleep hot specifically? See our cooling mattresses. Every mattress includes a 365-night sleep trial and free delivery across Canada. • What it does: holds a balanced, neutral temperature — adapts so you're not too hot or too cold • How it works: phase-change covers, gel & graphite foams, Tencel/natural fibres and breathable coil airflow • Best for: people who run hot and cold, couples with different sleep temperatures, and year-round comfort • Cooling vs regulating: cooling sleeps cold (for hot sleepers); regulating holds a steady, balanced temp • Across every brand and firmness • Every order: 365-night sleep trial, price-match guarantee & free Canada-wide delivery

Serta is a globally recognized mattress brand celebrated for its comfort-first designs and sleep innovations. With over 90 years of experience, Serta continues to deliver quality mattresses that Canadians can trust.

Shop 200+ mattresses from Serta, Beautyrest, Sealy, Tempur-Pedic, Springwall, and Stearns & Foster at National Mattress — available in Single/Twin through King sizes from $99 to $6,640. Choose from innerspring, euro-top, memory foam, hybrid, and latex constructions in four firmness levels from extra firm to plush. Every mattress is manufactured in Canadian factories using CertiPUR-US® certified foams and ships free across Canada with a 365-night sleep trial, price match guarantee, and manufacturer warranty coverage up to 25 years.

King Split Head Queen Split Head King Plush Mattresses Medium Mattresses New Arrivals Temperature-Regulating Mattresses Serta
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  • SERTA® Perfect Day™ 12" Plush Euro Top Mattress - 1 SERTA® Perfect Day™ 12" Plush Euro Top Mattress brand icon
    • 800 Serta® StablEdge™ 3-Zone Coil System
    • Serta® Anti-Microbial Knit Cover
    • Cool Twist® Gel Memory Foam
    • Serta® Gel Comfort Foam
    • 10 Year Warranty
    • Made In Canada
    Single/Twin $551
    Twin XL $588
    Double/Full $597
    Queen $637
    Compare at $1,499
    King $802
    Online availability icon Backorder Available
    In-Store availability icon On Display:
    Estimated delivery icon Estimated free delivery on Tue, Jul 21
  • SERTA® Perfect Sleeper® Celebrate 25th Anniversary 14.5" Plush Super Pillow Top Hybrid Mattress SERTA® Perfect Sleeper® Celebrate 25th Anniversary 14.5" Plush Super Pillow Top Hybrid Mattress brand icon
    • 1100 3-Zoned Coil System
    • CoolFeel™ PE Fabric
    • Cool Twist® Gel Memory Foam
    • Serta® Comfort Gel Foam
    • 10 Year Warranty
    • Made In Canada
    Single/Twin $678
    Twin XL $717
    Double/Full $728
    Queen $776
    Compare at $1,899
    King $937
    Online availability icon Backorder Available
    In-Store availability icon On Display:
    Estimated delivery icon Estimated free delivery on Tue, Jul 21
  • SERTA® Perfect Sleeper® 14" Plush Euro Top Mattress - 1 SERTA® Perfect Sleeper® 14" Plush Euro Top Mattress brand icon
    • 950 3-Zoned Coil System
    • CoolFeel™ Fabric
    • PillowSoft® Foam
    • Cool Twist® Gel Memory Foam
    • 10 Year Warranty
    • Made In Canada
    Single/Twin $896
    Twin XL $946
    Double/Full $960
    Queen $1,004
    Compare at $2,399
    King $1,169
    Online availability icon Backorder Available
    In-Store availability icon On Display:
    Estimated delivery icon Estimated free delivery on Tue, Jul 21
  • SERTA® Perfect Sleeper® 14.5" Medium Tight Top Mattress - 1 SERTA® Perfect Sleeper® 14.5" Medium Tight Top Mattress brand icon
    • 1050 3-Zoned Coil System
    • CoolFeel™ Plus Fabric
    • QuiltLoft™ Memory Foam
    • Cool Twist® Gel Memory Foam
    • Serta® Support Foam
    • 10 Year Warranty
    • Made In Canada
    Single/Twin $959
    Twin XL $1,010
    Double/Full $1,026
    Queen $1,078
    Compare at $2,599
    King $1,244
    Online availability icon Backorder Available
    In-Store availability icon On Display:
    Estimated delivery icon Estimated free delivery on Tue, Jul 21
  • SERTA® Perfect Sleeper® 13" Plush Smooth Top Mattress - 1 SERTA® Perfect Sleeper® 13" Plush Smooth Top Mattress brand icon
    • 1050 3-Zoned Coil System
    • CoolFeel™ Plus Fabric
    • Cool Twist® Gel Memory Foam
    • PillowSoft® Foam
    • Touch-of-Wool TempFibre
    • 10 Year Warranty
    • Made In Canada
    Single/Twin $959
    Twin XL $1,010
    Double/Full $1,026
    Queen $1,078
    Compare at $2,599
    King $1,244
    Online availability icon Backorder Available
    In-Store availability icon On Display:
    Estimated delivery icon Estimated free delivery on Tue, Jul 21
  • SERTA® Perfect Sleeper® 15.5" Plush Euro Top Mattress - 1 SERTA® Perfect Sleeper® 15.5" Plush Euro Top Mattress brand icon
    • 1050 3-Zoned Coil System
    • CoolFeel™ Plus Fabric
    • QuiltLoft™ Memory Foam
    • Cool Twist® Gel Memory Foam
    • PillowSoft® Foam
    • 10 Year Warranty
    • Made In Canada
    Single/Twin $1,037
    Twin XL $1,089
    Double/Full $1,106
    Queen $1,159
    Compare at $2,799
    King $1,326
    Online availability icon Backorder Available
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    Estimated delivery icon Estimated free delivery on Tue, Jul 21
  • SERTA® iComfort® Zip 13" Medium Mattress - Queen Split Head - 1 SERTA® iComfort® Zip 13" Medium Mattress brand icon
    • 6″ Serta® StablCore™ High-Density Foam Core
    • CoolTemp™ Zippered Cover
    • Perfect Conform™ Graphite Memory Foam
    • Serta® Medium Support Foam
    • Comfort Foam
    • 10 Year Warranty
    • Made In Canada
    Twin XL $1,164
    Double/Full $1,253
    Queen $1,345
    Compare at $3,299
    Queen Split Head $1,483
    King $1,628
    King Split Head $1,839
    Online availability icon Backorder Available
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    Estimated delivery icon Estimated free delivery on Tue, Jul 21
  • SERTA® iComfort® Zip 13" Plush Mattress - Queen Split Head - 1 SERTA® iComfort® Zip 13" Plush Mattress brand icon
    • 6″ Serta® StablCore™ High-Density Foam Core
    • CoolTemp™ Zippered Cover
    • Perfect Conform™ Graphite Memory Foam
    • Deep Reaction® Max Gel Memory Foam
    • Comfort Foam
    • 10 Year Warranty
    • Made In Canada
    Twin XL $1,459
    Double/Full $1,554
    Queen $1,650
    Compare at $3,999
    Queen Split Head $1,788
    King $1,933
    King Split Head $2,216
    Online availability icon Backorder Available
    In-Store availability icon On Display:
    Estimated delivery icon Estimated free delivery on Tue, Jul 21
  • Serta Perfect Comfort X 14-inch plush hybrid mattress, navy cover, white sunburst quilt, charcoal sides SERTA® Perfect Comfort X™ 14" Plush Hybrid Mattress brand icon
    • 2550 Series 5 ZoneActive™ Pocket Coil System
    • Perfect Conform™ Graphite Memory Foam
    • Deep Reaction® Max Gel Memory Foam + Cool Twist® Gel Memory Foam
    • Perfect Conform™ Micro Coils
    • CoolFeel Fabric™ w/ QuiltLoft™ Memory Foam
    • Designed and Made in Canada
    Twin XL In stock for fast delivery $1,523
    Double/Full $1,618
    Queen $1,715
    Compare at $4,099
    King $1,998
    Online availability icon In-Stock Only 5 left!
    In-Store availability icon On Display:
    Free delivery availability icon Free delivery as soon as Tomorrow, Jul 2
    Pickup available icon Only Pickup available to
  • SERTA® Perfect Day™ 12" Plush Euro Top Mattress - 1 SERTA® Perfect Day™ 12" Plush Euro Top Mattress - King brand icon
    • 800 Serta® StablEdge™ 3-Zone Coil System
    • Serta® Anti-Microbial Knit Cover
    • Cool Twist® Gel Memory Foam
    • Serta® Gel Comfort Foam
    • 10 Year Warranty
    • Made In Canada
    King $802
    Compare at $1,899
    Online availability icon Backorder Available
    In-Store availability icon On Display:
    Estimated delivery icon Estimated free delivery on Tue, Jul 21
  • SERTA® Perfect Sleeper® Celebrate 25th Anniversary 14.5" Plush Super Pillow Top Hybrid Mattress - King SERTA® Perfect Sleeper® Celebrate 25th Anniversary 14.5" Plush Super Pillow Top Hybrid Mattress - King brand icon
    • 1100 3-Zoned Coil System
    • CoolFeel™ PE Fabric
    • Cool Twist® Gel Memory Foam
    • Serta® Comfort Gel Foam
    • 10 Year Warranty
    • Made In Canada
    King $937
    Compare at $2,199
    Online availability icon Backorder Available
    In-Store availability icon On Display:
    Estimated delivery icon Estimated free delivery on Tue, Jul 21
  • SERTA® Perfect Sleeper® 14" Plush Euro Top Mattress - 1 SERTA® Perfect Sleeper® 14" Plush Euro Top Mattress - King brand icon
    • 950 3-Zoned Coil System
    • CoolFeel™ Fabric
    • PillowSoft® Foam
    • Cool Twist® Gel Memory Foam
    • 10 Year Warranty
    • Made In Canada
    King $1,169
    Compare at $2,699
    Online availability icon Backorder Available
    In-Store availability icon On Display:
    Estimated delivery icon Estimated free delivery on Tue, Jul 21

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