Best 10-Inch King-Size Mattresses


Our review process

We've already done all the heavy lifting researching 10-inch king-size mattresses. That way, you don't have to pour over confusing articles about selecting the perfect one for you. By reading this article, you'll have an excellent understanding of what kinds of mattresses are available on the market, so you can confidently buy a mattress that will ensure comfortable sleep for years to come.

Are you buying a new 10-inch king-size mattress? Here are some things you should know. King-size mattresses are perfect for couples, offering extra space for you to spread out. They measure 76" X 80" and are great for master bedrooms. However, they are not ideal for small areas, taking up a majority of the free space in the room. Another drawback is that they are large and heavy, making them difficult to transport and flip.

Less likely to cave in, 10-inch mattresses will continue to hold their structure and provide proper support over time. They are built with a sturdy design, so they can sustain more weight than other types of mattresses. With a standard thickness, they will fit in nearly all bed frames. However, they can be quite heavy, making them hard to set up and flip.

Our Top Ranking Mattresses:
Our Top Ranking Mattresses
Customer Rating
Brand
Hampton and Rhodes
Comfort
soft
Type
foam mattress
Customer Rating
Brand
Kotter home
Comfort
medium firm
Type
gel memory foam
Customer Rating
Brand
Sleep Sync
Comfort
firm
Type
gel memory foam
Best Overall Score
An image of Hampton and Rhodes Soft Foam King-Size 10-Inch Mattress

If you're sensitive to allergies, consider the Hampton and Rhodes Soft Foam King-Size Mattress. Designed with a foam construction, this thick mattress adapts to fit your body shape. Equipped with pressure point relief technology, it improves comfort and minimizes pain. It minimizes motion transfer, which allows for a quieter sleep, especially if you share your bed with a partner.

This Hampton and Rhodes mattress features a soft comfort level, yielding to your shape for a dynamic and flexible feel. Featuring a 10-inch thickness, it will maintain its shape even with extra weight. Available in a king-size, it ensures that you'll have a lot of space to spread out and enjoy a good night's sleep. It has a soft cover, providing an added layer of comfort and protection. This hypoallergenic mattress features a quilted cover, providing added comfort and cushioning. It features a ventilated design, preventing moisture build-up that would otherwise cause damage to the mattress. Made with hypoallergenic materials, it ensures a restful night's sleep. This easy-to-handle thick mattress provides you with more convenience.

    Pros
    • Soft mattress provides an ideal surface for those who sleep on their side
    • Designed with pressure point relief technology for additional spinal and joint support
    • Reduces motion transfer, making it an excellent choice for restless sleepers
    Cons
    • King-size can be difficult to move
    • 10-inch thickness doesn't provide the most support
    • Foam construction releases unpleasant odors
Runner Up
An image of Kotter Home GelMemMattress10KG Medium Firm Gel Memory Foam King-Size 10-Inch Mattress

The Kotter Home Medium Firm Gel Memory Foam King-Size Mattress is an ideal choice for those looking for an allergen-free mattress. This Kotter home mattress is available in a king-size, allowing partners to have plenty of their own individual sleeping space. With a medium firm comfort level, it will adjust to the curves of your spine in order to keep your body straight. Made with hypoallergenic materials, it is excellent for those who suffer from allergies or skin sensitivities. Featuring a 10-inch thickness, it can sustain a lot of weight so it won't sink in easily.

This Kotter home mattress is designed with a zippered cover and has a removable cover, making it easy to clean and change. With a gel memory foam construction, it will draw heat away from the sleeper due to its better airflow. Featuring two layers, it supplies you with stronger pain relief and evenly spreads heat to keep you cool while sleeping. It is designed to reduce tossing and turning, which significantly improves your quality of sleep. Made with antimicrobial fibers, it discourages the growth of bacteria.

    Pros
    • Medium firm mattress promotes a deeper sleep
    • Helps eliminate tossing and turning at night, drastically improving your quality of sleep
    • Features antimicrobial fabric, protecting you from noxious mildew
    Cons
    • King-size can be difficult to move
    • Medium firm mattress can put painful pressure on pressure points
    • 10-inch thickness doesn't provide the most support
For Side Sleepers
An image of Sleep Sync OS11320EK Firm Gel Memory Foam King-Size 10-Inch Mattress

Want to go the eco-friendly route? Consider the Sleep Sync Firm Gel Memory Foam King-Size Mattress. Designed with a gel memory foam construction, this hypoallergenic mattress features better air circulation, which carries heat away from the sleeper. With antimicrobial materials, it prevents the growth of bacteria. It eliminates motion transfer, so you won't be woken up by movement.

This thick mattress has 3 lbs air-flow gel memory foam, 3 lbs air-flow gel memory foam, and convoluted foam layers. It features a 10-inch thickness, preventing any structural problems that thinner mattresses can have. With a firm comfort level, it provides extra support to prevent soreness. Available in a king-size, it ensures that you'll have a lot of space to spread out and enjoy a good night's sleep. It has a removable cover, which makes it convenient to clean in order to prevent bacteria. This hypoallergenic mattress is eco-friendly, meaning they are constructed with biodegradable substances.

    Pros
    • Firm mattress promotes a deeper sleep
    • Antimicrobial benefits ensure a cleaner sleep space
    • Reduces motion transfer, making it ideal for light sleepers
    Cons
    • King-size does not fit in small spaces
    • Firm mattress can put uncomfortable pressure on pressure points
    • 10-inch thickness doesn't provide the best support
Additional Picks
An image of Comfort Dreams M-1025145OC41 Memory Foam King-Size 10-Inch Mattress

The Comfort Dreams Memory Foam King-Size Mattress is an ideal choice for those who need an allergen-free mattress. This thick mattress is equipped with antimicrobial benefits, which makes it suitable for people sensitive to allergies. It is made to eliminate motion transfer, making it great for light sleepers. With a memory foam construction, it holds your body in any position, letting you easily sleep in your natural sleeping position.

This hypoallergenic mattress features a 10-inch thickness, so after long periods of time it won't collapse around the edges. Available in a king-size, it will provide maximum bed space. It has a cotton cover, which is simple to wash and won't hold onto odors. It features a hypoallergenic design to decrease the symptoms of allergies. With resistance to dust mites, it makes it a suitable option for people who suffer from allergies.

    Pros
    • Built with a cotton cover for maximum comfort and coziness
    • Features antimicrobial fibers, ensuring that your sleeping space is a free of harmful particles and pests
    • Eliminates motion transfer, making it great for light sleepers
    Cons
    • King-size can be difficult to move
    • 10-inch thickness doesn't provide the best support
    • Features a memory foam construction, making it harder for some to get off of the bed
An image of Sleep Sync SSO0108EK Plush Euro Top King-Size Coil Springs 10-Inch Mattress

For a good night's sleep and endless comfort, opt for a Sleep Sync Plush Euro Top King-Size Mattress. With a plush comfort level, this thick mattress is perfect for people who are looking for extra cushioning, without compromising support and durability. It features a 10-inch thickness, adding greater durability and extending the lifespan of your mattress. Available in a king-size, this Sleep Sync mattress offers plenty of room to spread out and relax.

This Sleep Sync mattress has a stretch knit cover, keeping your mattress looking newer for longer. Featuring a Euro top construction, it can't shift or lose its shape because the pillow layer is attached underneath the cover. Equipped with pressure point relief technology, it improves comfort and minimizes pain. This Sleep Sync mattress helps eliminate tossing and turning at night, drastically improving your quality of sleep.

    Pros
    • Plush mattress is good for side and back sleepers whose top preference is comfort and softness
    • Offers pressure point relief, making it good for those who sleep on their stomach
    • Helps reduce tossing and turning at night, drastically improving your quality of sleep
    Cons
    • King-size can be difficult to move
    • Plush mattress can get lumpy or sag over time
    • 10-inch thickness doesn't provide the best support
An image of Safavieh MAT1002A-K Plush Pillow Top King-Size 1024 Heavy Gauge Metal Coils 10-Inch Mattress

For serious comfort and a restful night's sleep, select the Safavieh Plush Pillow Top King-Size Mattress. This Safavieh mattress has a supportive design, aligning your spine horizontally when sleeping on your side. Equipped with innovative pressure point relief technology, it enhances comfort and alleviates pain. Designed with a pillow top construction, it will have added padding and relieves back pain. Available in a king-size, this Safavieh mattress will provide maximum bed space. It features a plush comfort level, providing the perfect mix of firmness and softness. Featuring a 10-inch thickness, this Safavieh mattress will stay in good shape and not sink in even after prolonged use.

    Pros
    • Plush mattress for the perfect mix of softness and firmness
    • Includes heavy gauge metal coils, providing you stronger body contouring and lower motion transfer
    • Made with pressure point relief technology for additional spinal and joint support and comfort
    Cons
    • King-size can be difficult to move
    • Plush mattress can get lumpy or sag over time
    • 10-inch thickness doesn't provide the best support
An image of Sleep Sync SSO0108CK Plush Euro Top King-Size Coil Springs 10-Inch Mattress

Looking to sleep sweetly in a mattress made free of harsh chemicals? The Sleep Sync Plush Euro Top King-Size Mattress is exactly that. Designed with a Euro top construction, this thick mattress will shift or lose its shape because the pillow layer is attached under the cover. Featuring pressure point relief technology, it helps to relieve tender muscles and joints and ensures that your body is fully supported. It is designed to reduce tossing and turning, which improves your quality of sleep.

This hypoallergenic mattress is available in a king-size, so you can have as much personal space as possible. It features a 10-inch thickness, so after long periods of time it won't sag in the middle. With a plush comfort level, it is ideal for those who need stabilized lower-back support. It features a stretch knit cover, which stretches to fit a large mattress perfectly. It is eco-friendly and has a hypoallergenic design, which naturally resists allergens such as mildew, mold, and dust mites.

    Pros
    • Plush mattress is suitable for anyone looking for the perfect mix of softness and support
    • Pressure point relief technology reduces pain or stiffness while sleeping
    • Helps eliminate tossing and turning at night, improving your quality of sleep
    Cons
    • King-size does not fit in small rooms
    • Plush mattress can get lumpy or sag over time
    • 10-inch thickness provides less support than thicker mattresses
An image of Comfort Dreams M-1025145CM41 Memory Foam King-Size 10-Inch Mattress

If you want to make sure that you don't wake up with tension in your back, the Comfort Dreams Memory Foam King-Size Mattress could be ideal for you. With resistance to dust mites, this Comfort Dreams mattress makes it a suitable choice for those who suffer from allergies. It features a 10-inch thickness, keeping your mattress functional for years. Available in a king-size, this Comfort Dreams mattress will provide maximum bed space. It features a memory foam construction, allowing you to toss and turn and then re-contours to your body after you've found a comfortable position. This Comfort Dreams mattress eliminates motion transfer, making it great for light sleepers. Featuring antimicrobial materials, it discourages the growth of bacteria and other microbes.

    Pros
    • Antimicrobial benefits assist people susceptible to allergies
    • Minimizes motion transfer, making it an ideal choice for restless sleepers
    • Helps reduce tossing and turning at night, drastically improving your quality of sleep
    Cons
    • King-size can be difficult to move
    • 10-inch thickness doesn't provide the best support
    • Memory foam construction releases VOCs
An image of Wolf Mattress TGEM-1060 Plush Innerspring King-Size 10-Inch Mattress

For a better night's rest and endless comfort, opt for a Wolf Mattress Plush Innerspring King-Size Mattress. This thick mattress is available in a king-size, so you can have as much personal space as possible. With a plush comfort level, it supports your shoulders and hips to keep your spine in check. This thick mattress has a 10-inch thickness, which provides less support than thicker mattresses.

This thick mattress has an innerspring construction, which provides poor motion isolation. It features a stretch knit cover, keeping your mattress looking newer for longer. This thick mattress has a supportive design, aligning your spine horizontally when sleeping on your side. It is built to be reversible, so it can be flipped over to extend its lifespan. It features fortified edge support, surrounding the perimeter of the mattress for added reinforcement.

    Pros
    • Plush mattress is perfect for back and side sleepers whose main preference is comfort and softness
    • Supportive design ensures proper spinal support and alignment
    • Features a reversible design, letting you flip it over for a longer lifespan
    Cons
    • King-size can be difficult to move
    • Plush mattress can get lumpy or sag over time
    • 10-inch thickness doesn't provide the best support
An image of Lull Firm Memory Foam King-Size 10-Inch Therapeutic Thick Mattress

Are you looking to better support your upper and lower body at night? You might want to consider purchasing the Lull Firm Memory Foam King-Size Mattress. This highly breathable therapeutic mattress prevents material degradation that would otherwise be caused by moisture and heat. With a memory foam construction, this Lull mattress accommodates every possible sleeping position. Available in a king-size, it offers an ample amount of room to relax and stretch out. It has three layers, and a firm comfort level, which can be uncomfortable for some people. Featuring a 10-inch thickness, it will stay in good shape and not sink in even after prolonged use. This therapeutic mattress has Visco memory foam and support foam layers. It has a 100 night sleep trial, which means that if it doesn't feel like the perfect mattress for you after that time, you can return it free of charge.

    Pros
    • Firm comfort level provides the support necessary for spinal alignment
    • Features a highly breathable design, preventing premature wear that would otherwise be caused by heat and moisture
    • Packaged vacuum-tight to make it easy to transport
    Cons
    • King-size can be difficult to move
    • Firm comfort level can put uncomfortable pressure on pressure points
    • 10-inch thickness provides less support than thicker mattresses
More Things You Should Consider Before Buying a New 10-Inch King-Size Mattress:
Mattress Type: Which One Is Right for You?
Gel Memory Foam Mattresses

If you're thinking about getting a gel memory foam mattress, this 10-inch king-size mattress might be a good choice. These mattresses have a breathable design for proper airflow and ventilation. Made of various materials, they will provide the right amount of comfort for a good night's rest. They have pressure-point relief, which helps soothe any soreness in your joints. With even weight distribution, they stop your body from sinking into the mattress. Thanks to superior motion isolation, they are ideal for couples with an active sleeper.

Hybrid Mattresses

If you're thinking about getting a hybrid mattress, this 10-inch king-size mattress could be a good choice. With pressure-point relief, these hybrid mattresses offer additional support to sensitive areas like the shoulders and hips. Designed to dissipate heat instead of absorb it, they will keep you cool throughout the night. Made from various materials, hybrid mattresses come in your preferred choice of foam density. They deliver even weight distribution, so you can sleep deeply while keeping a stable posture. They have various kinds of coils, which are designed to make you feel like you're floating on your bed, rather than sinking into it. Something to keep in mind is that they are more costly than other kinds of mattresses, so if you're searching for a more affordable mattress, you should consider something else.

Memory Foam Mattresses

If you're thinking about getting a memory foam mattress, this 10-inch king-size mattress could be a good choice. Built of various materials, memory foam mattresses will provide the right amount of comfort for a good night's rest. They have pressure-point relief, which helps soothe any soreness in your joints. They boast superior motion isolation technology, so your movements won't wake up your partner. Something to consider is that they can smell a bit like chemicals at first, so you'll have to air them out for at least 24 hours before putting sheets on. In addition, they aren't waterproof, so you'll have to be careful and make sure that they don't come into contact with moisture.

Let's Talk About Mattress Comfort
Firm Mattresses

Are you searching for a firm mattress? A 10-inch king-size mattress might be a good choice for you. Firm mattresses distribute your weight properly, supporting your back as well as other sensitive areas. They are suitable for back sleepers and are designed with a 34-36 pound indentation load deflection ranking. They promote circulation and blood flow, allowing you to experience deeper and more restful sleep. A potential downside is that they can put painful tension on specific pressure points, so if you want a mattress that alleviates pain in pressure points, this is not the mattress for you. Another drawback is that these mattresses can be uncomfortable if you're not accustomed to sleeping on firm surfaces, so it might take a couple of days to get used to them.

Ultra Plush Mattresses

Interested in getting an ultra plush mattress? A 10-inch king-size mattress might be a good choice for you. These mattresses are ideal for those who sleep on their sides and are designed with a 14-19 pound indentation load deflection rating. With added support, they are great for people who suffer from back problems or joint pain. They have contouring support, adjusting to your body's natural curves for enhanced comfort. Something to keep in mind is that they are more likely to sink in over time, so your body won't be adequately aligned while sleeping. Another downside is that the surface will become softer with time, so they'll wear down faster than other types of mattresses and you'll probably have to replace them sooner.

Medium Firm Mattresses

If you're considering a medium firm mattress, a 10-inch king-size mattress might be a good choice for you. These mattresses are ideal for couples where one person who prefers to sleep on their side and the other on their back or stomach. They are ideal for those who switch from their back to side throughout the night and have an indentation load deflection ranking of 29-31 pounds. They allow for even weight distribution, supporting your back and joints in addition to other vulnerable areas. Something to keep in mind is that they are more likely to sink in over time, so they will become less comfortable and supportive with prolonged use.