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Extra Firm Marshall® Handcrafted Luxury Mattresses

Extra firm mattresses are the firmest, most supportive feel we carry — a hard, no-sink surface that holds your body on top of the mattress rather than letting it settle in. They're built for stomach sleepers, heavier-weight sleepers and anyone who finds a standard firm mattress still too soft, delivering maximum support and spinal alignment. Most use a tight-top or high-density foam construction (including orthopedic Chirofoam), with budget-friendly options that keep extra-firm support affordable. Shop Beautyrest, Serta, Chirofoam, Springwall and our own NM line — from $152, with free delivery across Canada. • Feel: extra firm is the firmest of our four comfort levels — a hard, no-sink surface • Best for: stomach sleepers, heavier-weight sleepers, and anyone who wants maximum support • Choose this over firm if a standard firm mattress still feels too soft • Consider firm or medium if you sleep on your side or want any cushioning • Constructions: tight-top and high-density foam (including orthopedic Chirofoam) • Brands: Beautyrest, Serta, Chirofoam, Springwall & NM • Prices: from $152 — an affordable, value-focused selection

Marshall® is a Canadian name in handcrafted, pocketed-coil sleep. Each Marshall mattress is built in Canada on an 842 tempered pocketed-coil system with high-density encased edge support, spanning the Crafted and Assured series in medium, firm and plush feels, plus matching boxsprings to complete your set. Read our manufacturer warranty information and delivery information before ordering.

Extra Firm Marshall
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Items

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  • BEAUTYREST® BeautySleep® 11.5" Extra-Firm Tight Top Mattress - 1 Beautyrest BeautySleep Logo
    • 815 Original Beautyrest® Pocketed Coil®
    • Gel-Infused Fibre Blend
    • AirFeel® Foam
    • Gel Foam + Gel Memory Foam
    • High-Density Foam Encasement
    Single/Twin $628
    Twin XL $667
    Double/Full $677
    RV Short Queen $718
    Queen $718
    Compare at $1,699
    King $885
    Online availability icon Backorder Available
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    Estimated delivery icon Estimated free delivery to M5H 2N1 on Tue, Sep 29
  • Beautyrest 12.5-inch extra-firm tight-top mattress, flat grey quilted top with teal waves, charcoal sides Beautyrest Mattress Collection Logo
    • 875 Beautyrest® Pocketed Coil Technology
    • Beautyrest® ActiveResponse Memory Foam
    • SurfaceTouch™ Gel Memory Foam
    • Beautyrest® Extra Firm Gel Foam
    • InfiniCool™ TechnologyBeautyrest®
    • Beautyrest® Antimicrobial Fibre Technology
    Single/Twin $769
    Twin XL In stock for fast delivery $817
    Double/Full $830
    Queen $879
    Compare at $2,099
    King $1,034
    Online availability icon In-Stock Only 1 left!
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    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Sep 15
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  • CHIROFOAM™ XF 2.0 - 12" Extra-Firm Hybrid Mattress - 1 Chirofoam Logo
    • Canadian Made 1100 Hi-Loft Pocket Coils
    • 2″ Extra Firm Support Chirofoam
    • Pro Lumbar Support
    • 1″ Cool Gel Memory Foam
    • Cool Touch Performance Cover
    • 15 Year Warranty
    • Made In Canada
    Single/Twin In stock for fast delivery $544
    Twin XL In stock for fast delivery $609
    Double/Full In stock for fast delivery $619
    Queen In stock for fast delivery $670
    Compare at $1,199
    King In stock for fast delivery $860
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  • MLILY WellFlex 1.0 12" Firm Memory Foam Mattress, smooth white swirl-embossed top over charcoal base with blue trim MLILY® WellFlex collection logo
    • BioBreeze™ Memory Foam
    • Performance Memory Foam
    • Cooling Organic Knit Cover
    • Flex Support Base Foam
    • 10 Year Warranty
    Single/Twin $1,899
    Twin XL In stock for fast delivery $1,899
    Double/Full $2,199
    Queen In stock for fast delivery $2,499
    Compare at $2,799
    King $2,999
    Online availability icon In-Stock Only 6 left!
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  • NM® Hi-Loft™ Elite 10" Extra-Firm Tight Top Mattress - 1 NM Hi-Loft Collection Logo
    • 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 In stock for fast delivery $431
    Double/Full In stock for fast delivery $437
    Queen In stock for fast delivery $477
    Compare at $999
    King In stock for fast delivery $662
    Online availability icon In-Stock Only 6 left!
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    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Sep 15
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  • National Mattress 12-inch extra-firm tight-top mattress, white diamond-quilted top with black quilted sides NM Hi-Loft Collection Logo
    • 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 In stock for fast delivery $339
    Twin XL In stock for fast delivery $455
    Double/Full In stock for fast delivery $462
    Queen In stock for fast delivery $498
    Compare at $999
    King In stock for fast delivery $698
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  • Serta Modern Series 10-inch extra-firm gel foam mattress, white geometric cover, navy fabric base Serta Modern Series Memory Foam Mattress Logo
    • 10 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 In stock for fast delivery $537
    Twin XL In stock for fast delivery $553
    Double/Full $597
    Queen $645
    Compare at $1,599
    King $765
    Online availability icon In-Stock Only 5 left!
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  • Serta Perfect Sleeper Premium 14-inch extra-firm tight-top, deep-blue burst quilting, charcoal sides Serta Perfect Sleeper Premium Mattress Logo
    • 1000 Series 3-Zoned Coil System
    • CoolFeel Fabric™
    • Serta® Antimicrobial Fibre
    • Cool Twist® Gel Memory Foam
    • Serta® Support Foam
    • Designed and Made in Canada
    Single/Twin SOLD OUT
    Twin XL SOLD OUT
    Double/Full SOLD OUT
    Queen SOLD OUT
    Compare at $2,099
    King SOLD OUT
    Online availability icon Out Of Stock
    In-Store availability icon On Display:
  • SERTA® Perfect Sleeper® 14.5" Extra-Firm Tight Top Mattress - 1 Serta Perfect Sleeper Premium Mattress Logo
    • 1050 3-Zoned Coil System
    • CoolFeel™ Plus Fabric
    • QuiltLoft™ Memory Foam
    • Cool Twist® Gel Memory Foam
    • Serta® Firm Support Foam
    • 10 Year Warranty
    • Made In Canada
    Single/Twin $959
    Twin XL In stock for fast delivery $1,010
    Double/Full $1,026
    Queen $1,078
    Compare at $2,599
    King $1,244
    Online availability icon In-Stock Only 2 left!
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    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Sep 15
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  • Serta Classic 11.5-inch extra-firm tight-top mattress, blue-white ombre top, navy floral sides Serta Classic Mattress Logo
    • 800 Edition Custom Support Coil System
    • 3 Zone Body Support
    • Cool Twist® Gel Memory Foam + Serta® Support Gel Foam
    • Serta® Anti-Microbial Fibre Technology
    • Serta® Best Edge® Foam Encasement
    • Designed and Made in Canada
    Single/Twin $621
    Twin XL In stock for fast delivery $674
    Double/Full $684
    Queen $718
    Compare at $1,699
    King $885
    Online availability icon In-Stock Only 4 left!
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    Free delivery availability icon Free delivery to M5H 2N1 as soon as Tomorrow, Sep 15
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  • SPRINGWALL® Chiropractic® 14" Firm Euro Top Mattress
    FLASH SALE BEST IN CLASS BEST SELLING
    Springwall Chiropractic 14-inch firm euro-top mattress, navy swirl-quilted top, grey mesh sides Springwall Chiropractic Premium Mattress Logo
    • 1800 7-Zoned Chiropractic® Pocket Coils
    • Cold PE Technology Premium Surface Fabric
    • AIRWAYS™ Specialty Foam
    • Graphite Gel PCM Comfort Layers
    • CoreBalance™ Support System with Micro Coils
    Single/Twin In stock for fast delivery $519
    Twin XL In stock for fast delivery $783
    Double/Full In stock for fast delivery $795
    Queen $844
    Compare at $1,799
    King In stock for fast delivery $1,068
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  • Springwall 8-inch extra-firm tight-top foam mattress, black cover with grey geometric pattern, white piping and quilted sides Springwall Foam Mattress Collection Logo
    • Bio Comfort Foam Core
    • HD Firm Bio Comfort Foam
    • Gel Quilt Foam
    • Cool Touch Stretch Knit Sleep Surface
    • Made In Canada
    Single/Twin In stock for fast delivery $251
    Twin XL In stock for fast delivery $346
    Double/Full $351
    RV Short Queen In stock for fast delivery $440
    Queen In stock for fast delivery $410
    Compare at $899
    King In stock for fast delivery $571
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How to Choose a Marshall Mattress

A Marshall mattress is a pocket coil bed, so the pocket coil is the part worth understanding before you start comparing feels. Each spring of heat-tempered drawn spring steel sits in its own fabric pocket, so it compresses only under the weight directly above it. The surface then follows the shape of your body, deeper beneath the hip and shoulder and shallower beneath the waist, rather than forming one broad hammock the way a connected coil unit can. Two things follow. Support is local, so the spine holds a straighter line, and movement is local, so a partner turning over does not travel across the bed.

Firmness on a pocket coil bed comes from two places: the spring unit itself, and the comfort layers above it. That is why a plush model and a firm one can share a support core and still feel nothing alike. Match the comfort layer to your position first. Side sleepers need enough give at the shoulder and hip to keep the spine level, usually medium or plush; back sleepers and stomach sleepers need the pelvis held near the surface, usually firm. Then account for weight, since a heavier sleeper compresses foam and springs further and often needs a step firmer than the label suggests. Kiln-dried wood belongs to the foundation side of the equation: lower moisture content means a frame that stays dimensionally stable under load.

Pocket Coil Support

Individually wrapped steel springs respond only where weight is applied, so the surface contours to your body instead of flattening it. See more pocket coil mattresses.

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Motion Isolation

Because the springs are not wired together, movement stays where it happens. That makes pocket coil a first choice for couples and for anyone woken by a partner turning over.

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Kiln-Dried Wood

Kiln drying lowers the moisture content of the lumber, so the wood stays stable and resists warping under years of load, which matters in the frame that carries the spring unit.

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Plush, Medium or Firm

One support core can wear very different comfort layers, so ask about feel and construction separately. Plush, medium and firm are choices to fit a body, not quality grades.

Frequently Asked Questions About Marshall Mattresses

What is a pocket coil mattress?
A pocket coil mattress carries its support in individual steel springs, each sewn into its own fabric pocket. Because the springs are not linked to one another, one can compress while its neighbour stays put, so the surface contours to your body point by point. The two practical benefits are closer support along the spine and far less motion transfer than a bed built on one connected spring unit.
Is a pocket coil better than a connected coil mattress?
On contouring and motion isolation, yes for most sleepers. A connected coil unit moves as a sheet, so weight in one spot lifts or drops the area around it and a partner's movement travels. Pocket coils act independently. Connected coil beds are simpler and tend to feel firmer, so they still suit shoppers who want a flat, very supportive surface. Compare the two constructions directly.
Does coil count matter in a pocket coil mattress?
Less than most shoppers expect. Past a reasonable threshold, adding more springs of the same gauge changes the feel very little, and figures are not comparable between makers because coil diameter, wire gauge and the number of turns all differ. Wire gauge and the quality of the tempering matter more, as does what sits above the springs.
What firmness should I choose for my sleeping position?
Side sleepers usually want medium or plush, because the shoulder and hip have to sink far enough for the spine to stay level. Back sleepers usually want firm to medium, holding the pelvis near the surface so the lumbar curve stays supported. Stomach sleepers usually want firm, since any sag through the middle extends the lower back. Heavier sleepers should try a step firmer than the guideline.
What should I compare when shopping for a pocket coil mattress?
Four things: the spring unit, including wire gauge, tempering and whether the perimeter is reinforced for edge support; the comfort layers above it; the cover and quilting; and how the whole thing feels after a full ten minutes lying in your usual position. Bring your own pillow if you can. Firmness labels are a starting point, not a standard, and they differ between makers.
How long should a pocket coil mattress last, and how do I care for it?
Plan to reassess a quality mattress somewhere around the eight to ten year mark. The springs usually outlast the comfort layers, so what you notice first is softening on top rather than lost support underneath. Rotate the mattress head to foot two or three times a year, use a mattress protector, and give it a sound base, because a sagging foundation ages a good spring unit quickly.

Want Help Comparing Pocket Coil Feels?

Our non-commissioned sleep experts can walk you through firmness, comfort layers and what a pocket coil actually does under your body.

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