Shop by Comfort

Firm Mattresses

Supportive mattresses that keep you on top rather than sinking in. Popular with back and stomach sleepers and anyone who needs extra support.

  • 21 mattresses
  • From $399
  • Free delivery across the GTA and up to 250 km
  • 100-night sleep trial
Top PickPrestige Firm mattressDreamstarPrestige Firm★ 4.9 · 59 reviewsFrom $1,098
Comfort

21 mattresses

Save up to $580
Serta

iComfort Nappa Firm

4.6 (51) out of 5 stars

Memory Foam · 11.5″ high

FirmnessFirm · 8/10
PlushFirm
  • Zoned support for your back
  • Sleeps cool
  • Low motion transfer for couples
View Details
From $1,208$1,208 – $1,788 · Single XL to King
Dreamstar

Orthopedic Deluxe

4.4 (16) out of 5 stars

Pocket Coil · 9″ high

FirmnessMedium Firm · 7/10
PlushFirm
  • Zoned support for your back
  • Reinforced edge support
View Details
From $399$399 – $749 · Single to King
Save up to $223
Beautyrest

BeautySleep Tight Top Firm

4.2 (35) out of 5 stars

Hybrid · Tight Top · 10″ high

FirmnessMedium Firm · 7/10
PlushFirm
  • Zoned support for your back
  • Sleeps cool
  • Low motion transfer for couples
View Details
From $539$539 – $826 · Single to King
Save up to $650
Stearns & Foster

Estate Mon Chéri Luxury Cushion Firm Pillowtop

5.0 (6) out of 5 stars

Hybrid · Pillow Top · 15″ high

FirmnessFirm · 8/10
PlushFirm
  • Zoned support for your back
  • Sleeps cool
  • Low motion transfer for couples
View Details
From $2,049$2,049 – $2,849 · Single XL to King
Sleeps Cool
Serta

Perfect Day Saturday Firm Euro Top

4.6 (21) out of 5 stars

Hybrid · Euro Top · 12″ high

FirmnessFirm · 7.5/10
PlushFirm
  • Zoned support for your back
  • Sleeps cool
  • Low motion transfer for couples
View Details
From $749$749 – $1,079 · Single to King
Save up to $749Organic
Organic Meadow

Hybrid Firm

5.0 (6) out of 5 stars

Organic Latex Hybrid · Tight Top · 11″ high

FirmnessFirm · 8/10
PlushFirm
  • Certified organic materials
  • Zoned support for your back
  • Low motion transfer for couples
View Details
From $1,199$1,199 – $1,750 · Single to Cal King
Save up to $271
Sealy

Posturepedic Rylan Tight Top Firm

4.5 (22) out of 5 stars

Hybrid · Tight Top · 11.5″ high

FirmnessMedium Firm · 7/10
PlushFirm
  • Zoned support for your back
  • Sleeps cool
  • Low motion transfer for couples
View Details
From $649$649 – $1,147 · Single to King
Save up to $720
Stearns & Foster

Estate Tight Top Luxury Firm Mon Trésor

5.0 (4) out of 5 stars

Hybrid · Tight Top · 13.5″ high

FirmnessFirm · 8/10
PlushFirm
  • Zoned support for your back
  • Sleeps cool
  • Low motion transfer for couples
View Details
From $1,799$1,799 – $2,579 · Single XL to King
Sleeps Cool
Dreamstar

Chiro Firm

4.8 (63) out of 5 stars

Hybrid · 13″ high

FirmnessFirm · 8/10
PlushFirm
  • Zoned support for your back
  • Sleeps cool
  • Low motion transfer for couples
View Details
From $1,149$1,149 – $1,478 · Single to Cal King
Save up to $546
Serta

Perfect Sleeper Simplicity Firm Euro Top

4.6 (40) out of 5 stars

Hybrid · Euro Top · 15.5″ high

FirmnessFirm · 8/10
PlushFirm
  • Zoned support for your back
  • Sleeps cool
  • Low motion transfer for couples
View Details
From $1,129$1,129 – $1,499 · Single to King
Save up to $301
Beautyrest

World Class Aria Firm

4.6 (67) out of 5 stars

Hybrid · Tight Top · 13″ high

FirmnessMedium Firm · 7/10
PlushFirm
  • Zoned support for your back
  • Sleeps cool
  • Low motion transfer for couples
View Details
From $1,218$1,218 – $1,698 · Single to King
Zoned Support
Serta

Perfect Day Overnight Firm

4.3 (19) out of 5 stars

Hybrid · 10″ high

FirmnessFirm · 8/10
PlushFirm
  • Zoned support for your back
  • Low motion transfer for couples
  • Arrives compressed in a box
View Details
From $580$580 – $899 · Single to King
Save up to $200Zoned Support
Dreamstar

Vion

4.7 (50) out of 5 stars

Pocket Coil · 12″ high

FirmnessMedium Firm · 7/10
PlushFirm
  • Zoned support for your back
  • Low motion transfer for couples
  • Reinforced edge support
View Details
From $899$899 – $1,195 · Single to Cal King
Save up to $461
Beautyrest

Centennial Ares Tight Top Firm

4.7 (38) out of 5 stars

Hybrid · Tight Top · 13″ high

FirmnessFirm · 8/10
PlushFirm
  • Zoned support for your back
  • Sleeps cool
  • Low motion transfer for couples
View Details
From $1,897$1,897 – $2,337 · Single XL to King
Save up to $500
Serta

iComfort Vista Firm

4.5 (23) out of 5 stars

Memory Foam · 14″ high

FirmnessFirm · 8/10
PlushFirm
  • Zoned support for your back
  • Sleeps cool
  • Low motion transfer for couples
View Details
From $1,938$1,938 – $2,495 · Single XL to King
Sleeps Cool
Dreamstar

Ultimate Comfort Gel Firm

4.6 (42) out of 5 stars

Memory Foam · 12.5″ high

FirmnessFirm · 8/10
PlushFirm
  • Sleeps cool
  • Low motion transfer for couples
  • Arrives compressed in a box
View Details
From $1,295$1,295 – $1,595 · Single to Cal King
Flippable
Dreamstar

Double Life Copper Hybrid Firm Flippable

4.6 (11) out of 5 stars

Hybrid · Tight Top · 14″ high

FirmnessFirm · 8/10
PlushFirm
  • Zoned support for your back
  • Sleeps cool
  • Low motion transfer for couples
View Details
From $1,738$1,738 – $2,119 · Single to Cal King
Sleeps Cool
Dreamstar

Genesis Arctic Foam Plush/Firm

4.7 (18) out of 5 stars

Memory Foam · 14″ high

FirmnessPlush or Firm · 2 or 8/10
PlushFirm
  • Zoned support for your back
  • Sleeps cool
  • Low motion transfer for couples
View Details
From $1,478$1,478 – $1,898 · Single to Cal King
Save up to $197Natural Latex
Dreamstar

Natural Escape Firm

4.6 (58) out of 5 stars

Latex · 12″ high

FirmnessMedium Firm · 7/10
PlushFirm
  • Low motion transfer for couples
  • Arrives compressed in a box
View Details
From $1,447$1,447 – $1,848 · Single to Cal King
Sleeps Cool
Dreamstar

Prestige Firm

4.9 (59) out of 5 stars

Hybrid · Pillow Top · 14″ high

FirmnessFirm · 8/10
PlushFirm
  • Zoned support for your back
  • Sleeps cool
  • Low motion transfer for couples
View Details
From $1,098$1,098 – $1,499 · Single to Cal King
Flippable
Dreamstar

Serenity II Flippable

4.6 (67) out of 5 stars

Pocket Coil · Euro Top · 14″ high

FirmnessPlush or Firm · 3 or 8/10
PlushFirm
  • Zoned support for your back
  • Low motion transfer for couples
  • Reinforced edge support
View Details
From $995$995 – $1,395 · Single to Cal King

Looking for a mattress that offers the right balance of comfort and support? Our firm mattresses are specially designed to promote proper spinal alignment and reduce pressure points. Making them an ideal choice for back sleepers, stomach sleepers, and anyone who experiences back pain.

A firm mattress provides a stable sleeping surface that helps distribute your body weight more evenly, which can reduce muscle tension and keep your spine in a neutral position. This makes firm mattresses one of the top choices for:

  • Back & stomach sleepers, who need consistent lumbar support

  • Heavier individuals, seeking better weight distribution

  • People with lower back pain, or posture related discomfort

  • Hot sleepers, as firm mattresses typically retain less body heat

At Sleep Masters Canada, we offer a curated selection of firm mattresses that includes pocket coil, hybrid, and natural latex designs, all built for durability, support, and a cooler night’s sleep.

Whether you're shopping online or visiting our Toronto mattress store, you’ll find the perfect firm mattress that suits your sleep style and body type. Enjoy fast shipping across Canada and expert guidance from our team to help you sleep better, every night.

Try Before You Buy1285 Caledonia Rd, North York
Free DeliveryAcross the GTA and up to 250 km
10 to 20-Year WarrantiesWe handle claims for you
Easy Monthly PaymentsPay over time with Affirm