Best King Size Mattress: Top Picks for Comfort and Quality in 2024

If you’re in the market for the best King Size Mattress, you’ve come to the right place. A good mattress is essential for a good night’s sleep, and with so many options available on Amazon, it can be overwhelming to choose the right one for you. In this article, we will delve into the top 10 products available on Amazon, providing you with in-depth reviews to help you make an informed decision. Additionally, we’ll include a comprehensive buying guide to ensure you know exactly what to look for when purchasing a King Size Mattress.

# Preview Product Rating Price
1 King Size Mattress, Upgrade Strengthen 12 Inch Firm Hybrid King Mattress in a Box, Mattress King Size With Memory Foam and Independent Pocket Springs, Strong Edge Support, Release Pressure King Size Mattress, Upgrade Strengthen 12 Inch Firm Hybrid King Mattress in a Box, Mattress King... No ratings yet $259.77
2 Gojef King Size Mattress, 12 Inch Memory Foam Mattress, Hybrid Mattress in a Box with Independent Spring, Soft and Comfortable Medium Firm Mattress, Pressure Relief, CertiPUR-US Certified Gojef King Size Mattress, 12 Inch Memory Foam Mattress, Hybrid Mattress in a Box with Independent... No ratings yet $289.99
3 ZINUS 12 Inch Green Tea Memory Foam Mattress [New Version], King, Fiberglass free, Medium Firm Feel, Zoned Pressure Relief, Certified Safe Foams & Fabric, Mattress in A Box ZINUS 12 Inch Green Tea Memory Foam Mattress [New Version], King, Fiberglass free, Medium Firm Feel,... No ratings yet $344.99
4 KOANTTI King Size Mattress,12 Inch Hybrid Mattress in a Box with Gel Memory Foam,Individually Wrapped Pocket Coils Innerspring,Pressure-Relieving and Supportive. KOANTTI King Size Mattress,12 Inch Hybrid Mattress in a Box with Gel Memory Foam,Individually... No ratings yet $284.04
5 Rimensy King Mattress, 12 Inch Gel Memory Foam and Innerspring Hybrid Mattress in a Box, Motion Isolation, Medium Firm Mattress, Pressure Relief, King Size Mattress 76'*80'*12' Rimensy King Mattress, 12 Inch Gel Memory Foam and Innerspring Hybrid Mattress in a Box, Motion... No ratings yet $265.99
6 SUAYEA King Mattress, 14 Inch King Size Mattress in a Box, (Upgrade Strengthen) Hybrid Mattress King Size, Ultimate Motion Isolation with Soft Foam and Pocket Spring, Medium Firm, Edge Support SUAYEA King Mattress, 14 Inch King Size Mattress in a Box, (Upgrade Strengthen) Hybrid Mattress King... No ratings yet $359.87
7 EGOHOME 14 Inch King Size Memory Foam Mattress for Back Pain, Cooling Gel Mattress Bed in a Box, Made in USA, CertiPUR-US Certified, Therapeutic Medium Mattress, 76x80x14 Black EGOHOME 14 Inch King Size Memory Foam Mattress for Back Pain, Cooling Gel Mattress Bed in a Box,... No ratings yet $599.99
8 elitespace King Size Mattress,12 Inch Hybrid Mattress in a Box with Gel Memory Foam,Individually Wrapped Pocket Coils Innerspring,Pressure-Relieving and Supportive. elitespace King Size Mattress,12 Inch Hybrid Mattress in a Box with Gel Memory Foam,Individually... No ratings yet $389.89
9 SIMARTH King Mattress,12 Inch Hybrid King Size Mattress in a Box, Upgrade Strengthen Mattresses with Memory Foam and Pocket Spring, Soft and Comfort King Mattress, Non-Fiberglass, Medium Firm SIMARTH King Mattress,12 Inch Hybrid King Size Mattress in a Box, Upgrade Strengthen Mattresses with... No ratings yet $274.86
10 KOANTTI King Size Mattress,14 Inch Memory Foam Hybrid White King Mattresses,Pocket Spring King Mattress in a Box for Sleep Supportive Pressure Relief,Medium Firm Mattress. KOANTTI King Size Mattress,14 Inch Memory Foam Hybrid White King Mattresses,Pocket Spring King... No ratings yet $425.99

Top 10 King Size Mattresses on Amazon

1. Zinus Green Tea Memory Foam Mattress

The Zinus Green Tea Memory Foam Mattress is one of the best King Size Mattresses available on Amazon in 2024. Infused with green tea extract, this mattress not only provides excellent comfort but also helps eliminate odors. It features a 4-layer sleep system that includes a soft memory foam layer for pressure relief, a comfort foam layer for improved support, and a high-density base support foam that ensures durability. Its plush feel makes it an ideal choice for side sleepers.

This mattress comes with a 10-year warranty, and reviewers praise its ability to regulate temperature and provide a restful night’s sleep. Available in various thickness options, the 12-inch version is particularly popular.

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Bestseller No. 1
ZINUS 12 Inch Green Tea Memory Foam Mattress [New Version], Queen, Fiberglass free, Medium Firm Feel, Zoned Pressure Relief, Certified Safe Foams & Fabric, Mattress in A Box
ZINUS 12 Inch Green Tea Memory Foam Mattress [New Version], Queen, Fiberglass free, Medium Firm Feel, Zoned Pressure Relief, Certified Safe Foams & Fabric, Mattress in A Box
  • FOR GREAT SLEEP AND A CLEAN PLANET – Featuring our patented zoned pressure relief technology designed to help reduce aches and pains through the night, this new version ships in a smaller box for a reduced carbon footprint
  • COMFORTABLE SUPPORT - Pressure-relieving memory foam conforms to the shape of your body while enhancing circulation and decreasing stress on your joints
  • ALL NIGHT FRESHNESS - The all-natural green tea and purified charcoal infusions work together to help keep your mattress fresh for many nights to come
  • CERTIFIED SAFE MATERIALS – Crafted from high-quality CertiPUR-US certified foam and wrapped with an OEKO-TEX certified mattress cover all produced without the use of harmful chemicals for safer, healthier sleep
  • WORRY FREE WARRANTY - Worry-free 10-year limited warranty included; twin mattress supports a maximum weight of 250 lbs, while all other sizes can support up to 500 lbs; please allow 24–72 hours for your mattress to expand to its original shape

2. Linenspa 12 Inch Gel Infused Memory Foam Mattress

The Linenspa 12 Inch Gel Infused Memory Foam Mattress offers a great balance of comfort and support, making it one of the best King Size Mattresses for couples. The gel-infused memory foam helps to keep you cool throughout the night, while also contouring to your body. This dual-layer design includes a 2-inch layer of comfort gel memory foam atop a supportive 10-inch base foam layer.

Not only is it budget-friendly, but it also comes with a 10-year warranty and is backed by positive customer reviews citing its comfort and durability. Its medium-firm feel caters to various sleeping positions, making it versatile for all sleepers.

Bestseller No. 1
Linenspa 12 Inch Memory Foam and Spring Hybrid Mattress - Medium Plush Feel - Bed in a Box - Pressure Relief and Adaptive Support - Breathable - Cooling - Primary Bedroom - Full Size
Linenspa 12 Inch Memory Foam and Spring Hybrid Mattress - Medium Plush Feel - Bed in a Box - Pressure Relief and Adaptive Support - Breathable - Cooling - Primary Bedroom - Full Size
  • SIMPLE SETUP AND QUICK EXPANSION: Mattress is compressed, rolled, and sent in a box, open your mattress promptly upon receiving it and allow 24 to 72 hours for full expansion; memory foam mattress may expand more quickly in a warm room
  • RESPONSIVE HYBRID DESIGN: Get the best of both worlds, just like Hannah Montana, when the contouring comfort of memory foam and the durable support of springs combine in our most popular mattress ever
  • UNBEATABLE VALUE: Comfort meets value when it comes to this affordable memory foam hybrid mattress, it’s available in three different profiles and feels to accommodate sleepers of all styles and all sizes
  • MEDIUM PLUSH FEEL: Back and side sleepers who love a plush feel will love sinking into the super soft feel of this 12-inch mattress only to celebrate the deep support that comes from the spring base
  • WORRY-FREE WARRANTY: Linenspa mattresses include a limited 10-year warranty, this innerspring and memory foam hybrid mattress is so much more than just a bed in box — it’s the complete package

3. Nectar Memory Foam Mattress

The Nectar Memory Foam Mattress is a favorite among many, thanks to its exceptional comfort and impressive 365-night trial period. It features a five-layer construction, offering a perfect blend of support and pressure relief. The top layer is gel-infused memory foam, designed to wick away moisture and keep you cool.

This mattress excels in motion isolation, making it an excellent option for couples. Additionally, it comes with a forever warranty, highlighting the brand’s confidence in product durability and quality. Reviewers often mention their significant improvements in sleep quality after switching to the Nectar mattress.

OFF -$250.00Bestseller No. 1
Nectar Queen Mattress 12 Inch - Medium Firm Gel Memory Foam - Cooling Comfort Technology - 365-Night Trial - Forever Warranty,White
Nectar Queen Mattress 12 Inch - Medium Firm Gel Memory Foam - Cooling Comfort Technology - 365-Night Trial - Forever Warranty,White
  • 365-NIGHT HOME TRIAL - Our industry-leading year-long trial period starts the day your Nectar mattress is delivered. Sleep on it in all four seasons.
  • SIMPLE TO SET UP - Just move the box to the room you want to use it in, unbox and unroll your mattress, and watch it expand before your eyes. Your Nectar will be snooze ready in 24 hours!
  • GEL MEMORY FOAM - Nectar is a gel memory foam bed-in-a-box mattress designed for every kind of sleeper. It helps you sleep cool and conforms to every curve. Get support where you need it, and comfort where you want it.
  • FIVE LAYERS OF COMFORT - Sleep easy breezy on an airy, heat-wicking quilted cover with cooling technology. Gel memory foam cradles your body and relieves pressure, while the dynamic response transition layer provides tailored support.
  • PERFECT SUPPORT FOR ANY POSITION - Whether you're a side sleeper, back sleeper, stomach sleeper, or just toss and turn, Nectar offers optimal level of firmness, coolness, breathability, and comfort.

4. Tuft & Needle Original Mattress

The Tuft & Needle Original Mattress has gained popularity due to its adaptive foam technology that provides excellent support while enhancing comfort. This mattress accommodates every type of sleeper and is notably responsive, allowing for easy movement on the surface. It also comes with a breathable cover that ensures airflow and helps with temperature regulation.

Its medium-firm feel is perfect for back, side, and stomach sleepers alike. Additionally, Tuft & Needle offers a 100-night trial, allowing you to test the mattress at home before fully committing.

Bestseller No. 1
Tuft & Needle - Original Queen Mattress, Firm Feel, Adaptive Foam, Pressure Relief, Supportive, Cooling, CertiPUR-US, 100-Night Trial, White
Tuft & Needle - Original Queen Mattress, Firm Feel, Adaptive Foam, Pressure Relief, Supportive, Cooling, CertiPUR-US, 100-Night Trial, White
  • Support - The T&N Original Mattress is ideal for back and stomach sleepers. We complemented the T&N Adaptive foam with a base layer of supportive foam to prevent sinking into the mattress
  • Cool Sleeping - Our open-cell cooling technology foam works with the heat-conducting graphite and cooling gel-infused in our T&N Adaptive foam to wick away heat and moisture for a deep, restful sleep
  • Versatility - We designed our mattress to be compatible and complementary with most frames and foundations including: traditional frames, box springs, platform frames, slatted frames, bunky boards, and adjustable frames
  • Questions - We pride ourselves on customer service and urge you to reach out to us directly if you have any questions at any point, our expert customer service team will be available to help you through any of your hesitations, problems or questions
  • Questions - We pride ourselves on customer service and urge you to reach out to us directly if you have any questions at any point, our expert customer service team will be available to help you through any of your hesitations, problems or questions

5. Dreamfoam Bedding Gel Swirl Memory Foam Mattress

The Dreamfoam Bedding Gel Swirl Memory Foam Mattress is another top contender for the best King Size Mattress on Amazon. With its innovative gel swirl memory foam, it provides optimum support and conforms well to the body. This mattress is also available in various firmness levels, allowing customers to find their ideal match.

Consistently receiving rave reviews for its comfort and support, this mattress is ideal for those who value customized sleep experiences. Dreamfoam also offers a 120-night sleep trial, making it risk-free for potential buyers.

Bestseller No. 1
DreamFoam 2' Gel Swirl Memory Foam Topper, Made in Arizona, Full
DreamFoam 2" Gel Swirl Memory Foam Topper, Made in Arizona, Full
  • The 2” gel swirl memory foam topper is designed to enhance the comfort of your current mattress by providing ultimate pressure point relief and contouring.
  • A unique gel swirl infusion draws heat out and away from the body to deliver a cooler night’s sleep.
  • Slow response memory foam is designed to help decrease motion transfer between sleep partners
  • Compressed and rolled into a 13" X 13" X 22" box and shipped by parcel directly to your door. Please allow up to 24 hours for any potential odors to dissipate and topper to fully expand.
  • 3-year warranty, proudly made in Arizona, CertiPUR-US certified.

6. Saatva Classic Mattress

The Saatva Classic Mattress is often hailed as a luxury mattress that combines coils with memory foam for maximum comfort. Its unique construction features a plush pillow top, a dual coil system for robust support, and eco-friendly materials. This mattress is available in different firmness options and is ideal for various sleeper preferences.

A standout feature of Saatva is its excellent edge support, making it easier to get in and out of bed. Additionally, it comes with a 180-night home trial and a 15-year warranty, ensuring customer satisfaction.

OFF -$250.00Bestseller No. 1
Nectar Queen Mattress 12 Inch - Medium Firm Gel Memory Foam - Cooling Comfort Technology - 365-Night Trial - Forever Warranty,White
Nectar Queen Mattress 12 Inch - Medium Firm Gel Memory Foam - Cooling Comfort Technology - 365-Night Trial - Forever Warranty,White
  • 365-NIGHT HOME TRIAL - Our industry-leading year-long trial period starts the day your Nectar mattress is delivered. Sleep on it in all four seasons.
  • SIMPLE TO SET UP - Just move the box to the room you want to use it in, unbox and unroll your mattress, and watch it expand before your eyes. Your Nectar will be snooze ready in 24 hours!
  • GEL MEMORY FOAM - Nectar is a gel memory foam bed-in-a-box mattress designed for every kind of sleeper. It helps you sleep cool and conforms to every curve. Get support where you need it, and comfort where you want it.
  • FIVE LAYERS OF COMFORT - Sleep easy breezy on an airy, heat-wicking quilted cover with cooling technology. Gel memory foam cradles your body and relieves pressure, while the dynamic response transition layer provides tailored support.
  • PERFECT SUPPORT FOR ANY POSITION - Whether you're a side sleeper, back sleeper, stomach sleeper, or just toss and turn, Nectar offers optimal level of firmness, coolness, breathability, and comfort.

7. GhostBed Luxe Mattress

The GhostBed Luxe Mattress is known for its plush feel and cooling features, making it one of the best King Size Mattresses for hot sleepers. With its 13-inch profile, it includes multiple layers of gel-infused memory foam and latex, providing a combination of comfort and support. The luxurious cover is also designed for breathability.

GhostBed offers a lengthy sleep trial period of 101 nights, and reviewers often mention improvements in sleep quality and reduction in back pain after switching to this mattress.

Bestseller No. 1
GhostBed Luxe 13 Inch Cool Gel Memory Foam Mattress - Cooling Technology & Comforting Pressure Relief, Full
GhostBed Luxe 13 Inch Cool Gel Memory Foam Mattress - Cooling Technology & Comforting Pressure Relief, Full
  • 7 LAYER COOLING TECHNOLOGY: Ghost Ice Fabric, ½ inch of cooling fiber, 1” of gel memory foam quilted into the fabric, Ghost Ice Surface, gel memory foam, Ghost Bounce Layer, and supportive core.
  • CUTTING EDGE SLEEP TECHNOLOGY: Ghost Ice Fabric is a propriety Japanese formulation where cooling properties are woven into the actual fibers of the yarn. The Ghost Ice Surface is phase change technology that captures and stores heat scientifically creating a cool sleeping environment. The Ghost Bounce Layer is exclusively ours - responsive like Latex, contouring like memory foam, yet resilient. The Ghost Bounce layer is as close as you can come to floating without leaving the ground.
  • INSTANT COOLING: 2 Stages of Next Generation Cooling. Our Ghost Ice Fabric and Cooling Layer keeps you cool as soon as you touch the mattress and stays that way all night long.
  • ON A SCALE OF PLUSH TO FIRM: We rate the GhostBed Luxe as a 5.5 – 6.0 feel, achieving a perfect balance between firmness and a cooling soft feel. Comfort and support are accomplished through 7 different layers giving you a plush delicious feeling but still providing all the support that you need for terrific spinal health.
  • EXPERIENCE BED-IN-A-BOX CONVENIENCE: The GhostBed Luxe arrives vacuum-sealed in a compact box to preserve the integrity of the mattress while in transit. The compressed packaging allows for easy handling and transport. The GhostBed Luxe should be placed on a flat surface such as a platform bed, box spring or wood foundation.

8. Bear Original Mattress

The Bear Original Mattress is designed with athletes and active individuals in mind. It features Celliant fabric, which is believed to help with muscle recovery by increasing blood flow. The mattress itself consists of a medium-firm feel, combining cooling technology with pressure relief.

Customers often report improved sleep and energy levels after using the Bear mattress. It also comes with a 100-night trial and a 10-year warranty, making it a reliable option worth considering.

OFF -$150.00Bestseller No. 1
Nectar Twin Mattress 12 Inch - Medium Firm Gel Memory Foam - Cooling Comfort Technology - 365-Night Trial - Forever Warranty ,White
Nectar Twin Mattress 12 Inch - Medium Firm Gel Memory Foam - Cooling Comfort Technology - 365-Night Trial - Forever Warranty ,White
  • 365-NIGHT HOME TRIAL - Our industry-leading year-long trial period starts the day your Nectar mattress is delivered. Sleep on it in all four seasons.
  • SIMPLE TO SET UP - Just move the box to the room you want to use it in, unbox and unroll your mattress, and watch it expand before your eyes. Your Nectar will be snooze ready in 24 hours!
  • GEL MEMORY FOAM - Nectar is a gel memory foam bed-in-a-box mattress designed for every kind of sleeper. It helps you sleep cool and conforms to every curve. Get support where you need it, and comfort where you want it. Top:Quilted Memory Foam Mattress Cover
  • FIVE LAYERS OF COMFORT - Sleep easy breezy on an airy, heat-wicking quilted cover with cooling technology. Gel memory foam cradles your body and relieves pressure, while the dynamic response transition layer provides tailored support.
  • PERFECT SUPPORT FOR ANY POSITION - Whether you're a side sleeper, back sleeper, stomach sleeper, or just toss and turn, Nectar offers optimal level of firmness, coolness, breathability, and comfort.

9. Helix Midnight Luxe

The Helix Midnight Luxe mattress is tailored to specific sleeping positions, and it has garnered attention for its customizable options. The hybrid design combines memory foam and pocketed coils for optimal comfort and support. This mattress also features a breathable cover and is excellent for temperature regulation.

With a 15-year warranty and a 100-night sleep trial, Helix offers customers peace of mind when investing in this luxurious mattress.

Bestseller No. 1
Helix Midnight Luxe Mattress, King
Helix Midnight Luxe Mattress, King
  • Premium quilted pillow top for extra comfort
  • 3 select foam layers provide uniquely tailored pressure relief and targeted ergonomic support
  • Targeted zoned lumbar support helps with spinal alignment and back pressure relief
  • Full perimeter edge support for complete structural stability
  • Hundreds of individually wrapped steel coils

10. Puffy Mattress

The Puffy Mattress provides cloud-like comfort that many find appealing, as it is specifically designed to contour to the body while promoting spinal alignment. This mattress features a high-density foam base and a cooling gel layer, providing support and temperature regulation.

It comes with a lifetime warranty and a 101-night trial period, with many users lauding the improvement in their sleep quality after switching to Puffy.

OFF -$250.00Bestseller No. 1
Nectar Queen Mattress 12 Inch - Medium Firm Gel Memory Foam - Cooling Comfort Technology - 365-Night Trial - Forever Warranty,White
Nectar Queen Mattress 12 Inch - Medium Firm Gel Memory Foam - Cooling Comfort Technology - 365-Night Trial - Forever Warranty,White
  • 365-NIGHT HOME TRIAL - Our industry-leading year-long trial period starts the day your Nectar mattress is delivered. Sleep on it in all four seasons.
  • SIMPLE TO SET UP - Just move the box to the room you want to use it in, unbox and unroll your mattress, and watch it expand before your eyes. Your Nectar will be snooze ready in 24 hours!
  • GEL MEMORY FOAM - Nectar is a gel memory foam bed-in-a-box mattress designed for every kind of sleeper. It helps you sleep cool and conforms to every curve. Get support where you need it, and comfort where you want it.
  • FIVE LAYERS OF COMFORT - Sleep easy breezy on an airy, heat-wicking quilted cover with cooling technology. Gel memory foam cradles your body and relieves pressure, while the dynamic response transition layer provides tailored support.
  • PERFECT SUPPORT FOR ANY POSITION - Whether you're a side sleeper, back sleeper, stomach sleeper, or just toss and turn, Nectar offers optimal level of firmness, coolness, breathability, and comfort.

Buying Guide for King Size Mattress

When selecting the best King Size Mattress, there are several factors to consider to ensure you make a well-informed decision:

1. Type of Mattress

There are several types of mattresses available, including memory foam, latex, innerspring, and hybrid models. Each type has its unique features, so consider your sleeping preferences before choosing.

2. Firmness

Firmness is subjective, and what feels comfortable for one person may not for another. Consider your sleeping position—side sleepers often prefer softer mattresses for contouring, while back and stomach sleepers may need firmer options for support.

3. Cooling Technology

If you tend to sleep hot, look for mattresses with cooling technologies such as gel-infused memory foam or breathable materials, which help regulate body temperature.

4. Motion Isolation

If you share your bed with a partner, consider a mattress that minimizes motion transfer. Memory foam and hybrid mattresses generally excel in this area.

5. Warranty and Sleep Trials

Check for warranties and sleep trial periods. Many brands offer extended trials, allowing you to test the mattress in your home before fully committing, ensuring your purchase is risk-free.

In conclusion, finding the best King Size mattress is essential for your sleep quality and overall well-being. With the options presented in this guide, we hope you can find the perfect match for your needs in 2024.

Last update on 2024-09-20 / Affiliate links / Images from Amazon Product Advertising API | votechriscarrillo.com is a participant in the Amazon Associate program and will earn from qualifying purchases.

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