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  • Over 5,000 Mattresses In Stock
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  • Free Delivery On Orders Over $199

SEALY® Posturepedic® 800 Series 11.5" Firm Tight Top Mattress - Queen

Sealy® Posturepedic® mattresses are expertly designed to deliver targeted support for healthy sleep posture. This renowned collection combines sturdy coils and pressure-relieving foams to provide Canadians with deep, restorative comfort night after night.

Top Features

– CleanProtect™ Fabric

– Quilt Stay True® Quilt with MoistureProtect™ Fibres

– CertiPUR-US™ SealySupport™ Gel HD Foam

– Posture Touch® Pocket Coils

– StableEdge™ HD

– Targeted Gel HD Foam

Our Price:
$544.00
Retail Price $1,099.00
In stock
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Applicable Offers

SEALY® Posturepedic® 800 Series 11.5" Firm Tight Top Mattress - Queen
Style Traditional, Pocket Coil, Hybrid
Firmness Firm
Coil Count 800
Coil Type Posture Touch® Pocket Coils
Core Type Coils
Core Density N/A
Height 11.5 Inches
Collection Sealy® Posturepedic®
Model Mariella - Queen
Warranty 5 Year Warranty
Condition Brand new, manufacturer sealed.
Comfort Scale
  • Soft
  • Medium
  • Firm
  • Extra Firm
Comfort IQ™: This mattress firmness is accurate with the manufacturer’s description and comparable to other firm mattresses.
Recommended For: Back Sleepers, Stomach Sleepers

Sealy Posturepedic 800 Series 11.5" Firm Tight Top Mattress - Unleash Your Best Sleep Experience Tonight!

Transform your nightly slumber with the Sealy Posturepedic 800 Series Tight Top Firm Mattress! Tailored for individuals who relish a firm and supportive sleep foundation, this mattress blends innovative technology with top-quality materials. Say farewell to tossing and turning and greet the morning feeling revitalized, ready to embrace the day with enthusiasm.

Key Features

  • CleanProtect Cover: This cutting-edge cover is designed with antibacterial treated fabric to ensure enduring freshness and keep your sleep surface free from bacteria-related stains, offering a healthier sleep every night.
  • Stay True Quilt with MoistureProtect Fibres: Designed with specialized foam, this quilt actively wicks moisture away from your body, enhancing temperature regulation for a perfectly cozy night’s sleep.
  • CertiPUR-US SealySupport Gel HD Foam: Dive into luxurious cooling comfort with our gel-infused foams, providing resilient and supportive contouring that soothes your body while you sleep.
  • Posture Touch Pocket Coils: Each coil functions independently, allowing for personalized support and minimizing motion transfer so that you and your partner enjoy uninterrupted slumber.
  • Sealy StableEdge HD: A robust high-density foam encasement enhances mattress stability while maximizing your sleep surface for maximum comfort without compromise.
  • Targeted Gel HD Foam: Positioned specifically under your back and core, this gel foam ensures vital support for alignment and comfort, helping to ease tension and pain as you rest.

Benefits

  • Enhanced Comfort: The unique combination of comfort layers and advanced pocket coil technology crafts a plush, inviting feel while still providing vigorous support where it matters most.
  • Quality Craftsmanship: Proudly made in Canada with an emphasis on quality and innovation, this mattress embodies a commitment to exceptional craftsmanship and design integrity.
  • Improved Hygiene: The CleanProtect cover actively contributes to a fresher sleep surface while inhibiting bacterial growth, making it particularly suitable for health-conscious sleepers.
  • Motion Isolation: Enjoy tranquil sleep without disturbances; the Posture Touch Pocket Coils absorb movement, ensuring both you and your partner can rest soundly.
  • All-night Support: Thanks to Targeted Gel HD Foam, your body receives essential support all night long, promoting proper posture and alleviating discomfort.

Ideal For

  • Individuals who appreciate the firmer support of a quality mattress for optimal back health.
  • Those seeking a cleaner, more sanitized sleeping environment for a peace of mind.
  • Couples wanting to minimize disturbances at night to achieve restful sleep.
  • Anyone eager to enhance their bedtime routine into one that promotes refreshing and restorative rest.

Details

  • Dimensions: 60″ x 80″ (152.5cm x 203cm)
  • Profile Height: 11.5 Inches
  • Firmness: Firm
  • Coil Count: Up to 992 coils
  • Warranty: Full manufacturer's warranty included.
  • Guarantees: Enjoy free next day delivery, a 100 night sleep trial, and a price match guarantee!

Experience the exceptional sleep quality offered by the Sealy Posturepedic 800 Series Tight Top Firm Mattress. Designed for those who value robust support, hygiene, and comfort, this mattress ensures you indulge in rejuvenating rest every single night. Wake up refreshed and ready to take on the world!

More Information
Mattress Size

Queen

Mattress Type

Traditional, Pocket Coil, Hybrid

Features

Cooling Technology, Temperature Regulating, Breathable, Low Motion Transfer, Pressure Point Relief, Zoned Lumbar Support, Edge Support, Moisture Wicking, Antimicrobial Fabrics, Compatible with Adjustable Bed Base

Trending & Offers

Limited Stock

Firmness

Firm

Coil Count 800
Coil Type Posture Touch® Pocket Coils
Coil Gauge 13 3/4
Core Type Coils
Core Material Heat-Tempered Drawn Spring Steel
Brands Sealy
Price Range Premium
Model Mariella - Queen
Collection Sealy® Posturepedic®
Condition Brand new, manufacturer sealed.
Warranty 5 Year Warranty
Sleep Position Back Sleepers, Stomach Sleepers
Cover Material CleanProtect™ Fabric
Colour Grey
Quilt Stay True® Quilt with MoistureProtect™ Fibres
Comfort Layers 0.75" SealySupport™ HD Foam + 1" SealySupport™ Gel HD Foam
Support Layers Targeted Gel HD Foam
Mattress Core Posture Touch® Pocket Coil with Sealy StableEdge™ HD + 1.25" SolidBase™
Mattress Height in Inches 11.50 Inches
Additional Features Made in Canada with Domestic & Imported Parts
Certifications CertiPUR-US® certified foams.
Compatible With Adjustable Beds Yes
Vented Yes
Removable Cover No
Handles No
Care Instruction Spot clean. Mattress protector recommended.
Country of Origin Canada
Manufacturer Contact Information http://www.sealycanada.com/
Queen Size Coil Count 720
Queen Size Dimensions 60" x 80" (inches) - 152.4cm x 203.2cm (centimeters)
Custom Sizes Available No
Product Length (inches) 80 in
Product Width (inches) 60 in
Product Height (inches) 11.5 in
Product Weight (lb) 109.700000
Product Length (cm) 203.2 cm
Product Width (cm) 152.4 cm
Product Height (cm) 29.2 cm
Product Weight (kg) 49.8 kg
Product Code 531813
Product Model Code SEALY-MARIELLA
Product SKU SEALY-MARIELLA-QUEEN
Product Category Mattress
Product Sub Category Tier Premium
Product Type Mattress - Pocket Coil
Product Sub Type Traditional - Tight-Top

SEALY Posturepedic 800 Series Mariella Tight Top Extra Firm Mattress Spec

Sealy Mattress Company: Overview and History

Founded in 1881 in Sealy, Texas, Sealy Mattress Company has grown from a small, one-man operation to one of the largest mattress brands in the world. The company began when Daniel Haynes, a cotton gin builder, started making cotton-filled mattresses for his friends. Over time, his innovation and craftsmanship led to the development of the first mattresses made with compressed cotton, setting a new standard in comfort.

In 1950, Sealy took comfort to the next level with the introduction of the Posturepedic mattress, designed in cooperation with orthopedic surgeons to ensure a night's sleep that was both supportive and comfortable. This innovation cemented Sealy’s reputation as a leader in mattress technology.

Today, Sealy continues to innovate, combining science with quality craftsmanship. The company's commitment to comfort, support, and quality is evident in its wide range of mattresses that cater to various preferences and sleep styles.

Product Philosophy and Commitment

Sealy is dedicated to helping the world sleep better. With over a century of experience, Sealy mattresses are designed to deliver the perfect blend of comfort and support at a great value. The company invests in research and science to ensure that each mattress it produces meets rigorous standards for quality and performance.

Sustainability and Social Responsibility

Sealy is committed to sustainability and environmental stewardship. It uses environmentally friendly materials and processes wherever possible and strives to minimize its environmental footprint through waste reduction and energy efficiency initiatives. The company also places a high priority on ethical business practices and community involvement, contributing to various social causes to improve the quality of life in the communities where it operates.

Whether you're looking for cutting-edge technology in a mattress or the dependable comfort of a traditional innerspring, Sealy offers a variety of products to help you find the perfect night's sleep.

 

For more information, please visit www.sealycanada.com.

Greater Toronto Area and Ontario Delivery Map

What’s Included

We offer FREE DELIVERY to all major cities in Ontario and the surrounding area on orders over $199. A delivery surcharge of $45 applies to orders under $199.

Select your delivery date at checkout (if applicable) and add any special instructions in the order comments (e.g., “Ring Buzzer #1234”). If a date isn’t shown or selected at checkout, you’ll receive an email with scheduling options. Day‑of, you’ll get a text and email with a 2‑hour window and live tracking. Estimates apply to in‑stock items; rural or weather‑affected addresses may require extra time.

Greater Toronto Area and Ontario Free Mattress Delivery Map

Ontario Local Delivery Areas

Next‑day available
Halton Region
Burlington • Oakville • Milton • Georgetown • Halton Hills
Next‑day available
Peel Region
Mississauga • Brampton • Caledon
Next‑day available
City of Toronto
York • Including Downtown Core
Next‑day available
York Region
Vaughan • King • Richmond Hill • North York • Aurora • Newmarket • Markham • Scarborough
Next‑day available
Durham Region
Pickering • Ajax • Whitby • Oshawa • Whitchurch‑Stouffville
Next‑day available
Waterloo Region
Guelph • Kitchener • Cambridge • Waterloo
Next‑day available
Hamilton
Including Dundas • Grimsby • Stoney Creek • Ancaster
1–3 days on average
Niagara
Niagara Falls • Niagara‑on‑the‑Lake • St. Catharines • Thorold • Welland
Next‑day & 1–3 days
Simcoe Region
Barrie • Innisfil • Orillia • Midland • Collingwood • Bradford • Washago and more
1–3 days on average
Northern &
Eastern Ontario
Cobourg • Peterborough • Kawartha Lakes • Minden • Haliburton • Port Perry • Bowmanville and more
1–3 days on average
Western Ontario
London • Stratford • Woodstock • Brantford • Grand Bend • Port Elgin • Tobermory and more

Note: Please select your delivery date at checkout (if applicable). Add any special instructions in the comments box. If a delivery date isn’t available at checkout, you’ll receive an email with date options after your order is processed. If the proposed date doesn’t work, reply to reschedule.

 

Need delivery outside the GTA?

We also ship to all provinces in Canada at competitive rates (territories excluded). Enter your postal code at the top of the website to see what’s available.

Ready to Sleep Better?

Shop online 24/7 or visit any National Mattress location across Ontario. Spend $199+ and relax—your new mattress will arrive quickly and free of charge locally, or ship fast across Canada.

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Frequently Asked Questions

Where does National Mattress offer free local delivery?

We offer FREE local delivery to major cities across Ontario on orders of $199+. Check the region cards above for specific cities.

Do you ship mattresses across Canada?

Yes. We ship select roll‑packed mattresses to all provinces (YT, NT, NU excluded). Transit times range from 1–2 days in ON & QC to 3–4 days in BC and NL after shipping.

Is next‑day delivery available in the GTA?

Yes. FREE next‑day local delivery is available in many GTA and surrounding areas, subject to inventory and cutoff times.

What if my Ontario local order total is under $199?

A $45 delivery surcharge applies to orders under $199.

How do I schedule or change my delivery date?

Select a date at checkout. If a chosen date isn’t available, you’ll receive an email proposing an alternative—simply reply to reschedule. In‑store purchases can be scheduled at the time of sale.

Will I get tracking updates?

Yes. Local deliveries include day‑of text/e‑mail with a 2‑hour window plus live GPS tracking. Canada‑wide shipments include a courier tracking number once picked up.

Do you deliver to Yukon, Nunavut, or the Northwest Territories?

No. We currently do not deliver to YT, NU, or NT.

© National Mattress. All rights reserved.

Customer Questions
What technology is used on this mattress cover?
This mattress uses a specific antimicrobial technology such as a silver-infused fabric or proprietary antimicrobial treatment applied to the cover to help inhibit microbial growth. See the product description for details on the type of treatment used...
What accessories work well with Sealy mattresses?
Commonly paired accessories for Sealy mattresses include supportive foundations or adjustable bases, quality mattress protectors, appropriately sized sheets, and pillows matched to your sleep position. Choosing the right accessories helps you get the...
What specific temperature-regulating materials are used in this mattress?
This mattress uses a combination of temperature-regulating materials such as phase-change fabrics, gel- or graphite-infused foams, ventilated comfort layers, and/or breathable core designs to help stabilize your sleep temperature. See the product description...
Does this mattress come with a warranty?
Yes. This mattress includes a warranty from the manufacturer. Check the product details or warranty tab on the page to see the length of coverage, what is included, and any conditions that apply.
What breathable materials are used in this mattress?
This mattress uses a combination of breathable materials such as ventilated foams or latex, coil support for airflow, and a breathable or moisture-wicking cover to help air move through the bed. See the construction and materials section for details...
Do Sealy mattresses sag?
Like all mattresses, Sealy models can develop some body impressions and wear over time, especially in high-use areas. Choosing a Sealy mattress with strong support materials, using a proper base, and rotating the mattress as recommended can help minimize...
Is this Sealy mattress considered entry-level, mid-range, or premium?
This Sealy mattress falls into a specific tier within the Sealy lineup based on its materials, construction, and feature set. Check the product description and pricing relative to other Sealy models to see whether it is positioned as an entry-level, ...
Is this Sealy mattress better suited for a primary bedroom or a secondary/guest room?
This mattress offers a specific combination of comfort, support, and durability that may make it ideal for nightly use in a primary bedroom. Review the firmness, build quality, and price point to decide where it best fits in your home.
What is special about Sealys support systems?
Many Sealy mattresses use targeted support technologies that reinforce the center third of the mattress or key zones to support the heaviest parts of your body. This can help maintain better spinal alignment and reduce sagging in areas like the hips...
Is this tight top mattress suitable for my sleep position?
This tight top mattress has a specific firmness and support profile that will suit some sleep positions better than others. Check the comfort description and any recommended sleep positions in the product details to see whether it is ideal for side, ...
Is this mattress supportive enough for a heavier side sleeper?
This mattress uses a supportive core designed to handle higher loads while still providing pressure relief on the surface. Heavier side sleepers typically do well with a medium to medium-firm feel, which helps prevent excessive sinking at the hips and...
Is this mattress better for a primary bedroom or a guest room?
This mattress offers a specific combination of comfort, support, and durability that may make it ideal for nightly use in a primary bedroom. Review the firmness, build quality, and price point to decide where it best fits in your home.
Do I need a mattress protector for this mattress?
A mattress protector is strongly recommended for any pocket coil mattress. It helps keep the surface clean, protects against spills and allergens, and can extend the mattress's life by preventing moisture and debris from breaking down the comfort materials...
Do I need a mattress protector for my Sealy mattress?
A mattress protector is highly recommended for any Sealy mattress. It helps keep the surface clean, protects against spills and allergens, and can extend the life of the mattress by preventing moisture and dirt from breaking down the comfort layers ...
How should I care for my Sealy mattress?
Use a mattress protector to guard against spills and stains, keep the mattress on a proper foundation, and follow Sealy's recommendations for rotating the mattress if applicable. Avoid jumping on the bed, do not bend or fold the mattress excessively...
Do I need to rotate or flip my Sealy mattress?
Most modern Sealy mattresses are one-sided and should not be flipped, but many can benefit from periodic rotation (head-to-foot) to promote more even wear. Always check the care instructions for your specific Sealy model to see whether rotation is recommended...
Do I need a mattress protector for this mattress?
A mattress protector is strongly recommended for any hybrid mattress. It helps keep the surface clean, protects against spills and allergens, and can extend the life of the mattress by preventing moisture and debris from breaking down the comfort materials...
Is this Sealy mattress compatible with an adjustable base?
Several Sealy mattresses are designed to be compatible with adjustable bases and can bend and flex as the base moves. Check the product description for notes on adjustable base compatibility; if listed as compatible, you can pair this mattress with ...
Where does this mattress sit on your firmness scale?
This mattress is classified as firm within our lineup, meaning it offers a more supportive, less cushioned surface than our medium and plush models. Check the firmness scale or comfort description on the product page to see exactly where it sits compared...
Are Sealy mattresses safe and low in emissions?
Sealy mattresses are generally designed to meet applicable safety and emissions standards for the regions where they are sold. Many models use foams that are tested for content and emissions, and Sealy publishes material and safety information for their...
How long does it take for a queen mattress to fully expand after unboxing?
Most boxed queen mattresses expand to near full size within a few hours, but they may continue to relax and reach their final feel over 24-72 hours. Room temperature, ventilation, and the specific materials can affect expansion time; follow the manufacturer...
Is this firm mattress suitable for an adjustable base?
Many firm mattresses especially foam and hybrid models are compatible with adjustable bases and are designed to bend and flex as the base moves. Check the product description for specific notes on adjustable base compatibility and follow the manufacturer...
Does this tight top mattress have cooling features?
This tight top mattress incorporates materials and design elements such as breathable cover fabrics, ventilated foams, or coil support to help manage temperature. Check the product description for specific cooling features included in this model.
In which rooms is this mattress best suited (primary, kids, guest)?
This mattress offers a specific combination of comfort, support, and durability that may make it ideal for nightly use in a primary bedroom. Review the firmness, build quality, and price point to decide where it best fits in your home.
Is this mattress available in sizes suitable for both single and coupled stomach sleepers?
This mattress comes in a range of sizes, from Twin or Twin XL for single sleepers up to Queen and King for couples. Stomach sleepers can choose the size that best fits their body, room layout, and whether they share the bed.
Is this mattress suitable if I have allergies or asthma?
This mattress is designed to resist certain microbial growth on the surface, which may support a cleaner sleep environment. If you have allergies or asthma, review the full materials list and consider using allergen-proof encasements and speaking with...
Is this queen mattress compatible with an adjustable base?
Many foam and hybrid queen mattresses are compatible with adjustable bases and are designed to bend and flex as the base moves. Check the product description for specific notes on adjustable base compatibility and follow the manufacturer's guidelines...
Is this considered a mattress or just a regular model?
This mattress is designed with specific cooling features such as breathable covers, ventilated foams, or gel-infused comfort layers intended to help manage heat and keep you more comfortable. Check the construction and materials section to see the exact...
Is this mattress appropriate if I have back problems?
This zoned lumbar support mattress is engineered to provide reinforced support for the lower back, but suitability depends on your specific condition and comfort needs. Review the firmness, support technologies, and customer feedback, and consider speaking...
Are Sealy mattresses suitable for kids and teens?
Many Sealy mattresses are well-suited for kids and teens thanks to their balanced support and everyday durability. A medium or medium-firm Sealy mattress in the appropriate size can provide good posture support for growing bodies and later transition...
Will the zoned lumbar support in this mattress remain effective over time?
This mattress is built with durable materials in the lumbar zone designed to maintain support under normal use. Review the durability specs, warranty information, and care recommendations to understand how long the zoned lumbar system is expected to...
Do I need a mattress protector for this mattress?
A breathable mattress protector is strongly recommended. It helps keep the surface clean, protects against spills and allergens, and can extend the life of the comfort layers by preventing moisture and debris from breaking down the materials that provide...
Is this mattress designed for temperature regulation or just basic cooling?
This mattress is designed with temperature-regulating features such as phase-change fabrics, breathable layers, or heat-absorbing and releasing materials intended to smooth out temperature swings, not just cool you down. Check the construction and materials...
Are Sealy mattresses suitable for people with allergies?
Some Sealy mattresses feature covers and comfort materials that are more resistant to common allergens like dust mites, especially when used with a quality mattress protector. If you have specific allergies or sensitivities, review the materials list...
How should I care for and clean this firm mattress?
Use a mattress protector to guard against spills and stains, vacuum the surface occasionally to remove dust, and follow the manufacturer's spot-cleaning instructions for any accidents. Avoid harsh chemicals or soaking the mattress, and ensure it dries...
Is this mattress a true hybrid or just a pillow-top innerspring?
This mattress is a true hybrid, built with a pocket coil support core and substantial foam or latex comfort layers that make up a significant part of its total thickness. You can confirm this in the construction and materials section, which will list...
What does a Sealy mattress warranty usually cover?
A Sealy mattress warranty generally covers issues like manufacturing defects, broken or faulty components, and indentations that exceed a certain depth when the mattress is used on a proper foundation. It does not usually cover normal wear and tear, ...
Does this queen mattress have strong edge support?
Many queen mattresses feature reinforced edges or sturdier coils around the perimeter to prevent roll-off and make it easier to sit on the side of the bed. Check the product description for mentions of edge support, perimeter reinforcement, or foam ...
Are Sealy mattresses good for couples?
Sealy offers many models that work well for couples, including hybrids and foams with good motion isolation and strong edge support. Couples should look for a Sealy mattress with a firmness level they both find comfortable and consider features like...
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