by Mattresses with 18-inch thicknesses are the latest addition to the bedding industry. The 18-inch mattress occupies a position among the deep and thick mattress realms. They are thick enough to tolerate the weight of two adults without sinking. They provide magnanimous cushioning to sleepers and give targeted support.
Heavyweight sleepers, particularly side sleepers, love its unconditional support and soft feel. This article has developed a list of the best 18-inch mattresses that are cool, responsive, eco-friendly, and bouncy. Take a look at them to find your perfect match.
Let’s begin without any further ado!
There isn’t any 18-inches thick mattress size available in the market yet. So if you are searching for a thick mattress, you may want to look for other options like Saatva, Sterns and Foster or Puffy for some of the best thickness mattresses.
We have reviewed some of the famous mattress brands’ thick mattresses.
What’s the Most-Selling Thick Mattress (some are close to 18″)?
Best 18-inch Alternate Mattresses Reviewed
Saatva HD Mattress
- 40K + ⭐⭐⭐⭐⭐ reviews
- Exceptional back support
A good-looking mattress with a great value!
Saatva HD Mattress is a “luxury comfort for the big body” (check the top rated premium mattresses). It is made while keeping plus-sized individuals in mind. The formation includes latex, memory foam, polyfoam, and reinforced coils that are excellent for a rejuvenating sleeping experience.
It has sturdy edges that don’t sag, making the mattress stand the test of time. The sides won’t collapse under your weight and give extra support. It is an innerspring mattress that comes with a lifetime warranty.
It is a firm mattress with a 7 ranking on the firmness scale out of 10.
The Talalay latex is best for support and cushioning. It has zoned support, which means it feels soft at the head and shoulders and firm in the lumber area (also check the best selling mattresses for shoulder pain).
What’s more frustrating than waking up contained and drenched in sweat?
Latex has a natural heat resistance and helps in keeping you cool all night long (check the top rated latex mattresses). Hot sleepers will love this mattress. No more waking up sweaty.
Below the latex is memory foam that prevents sinking in by being less responsive to pressure. As we know that heavy individuals tend to dive into the mattress, and this mattress makes sure not to do that.
The innerspring coils give a hefty bounce and a springy feel. Moreover, the cotton cover is naturally hypoallergenic and helps you sleep tight and cozy.
Its bounce and responsiveness make it a good fit for sex. It is great for couples who get up due to their partner’s movements. Heavy-weight side sleepers and heavy-weight stomach sleepers should buy it without giving it a second thought (check 10 great mattresses for overweight people).
People who are suffering from back pains should consider this mattress. It is great for heavy people who develop back pains due to sinking and less support from the mattress. Unlike traditional mattresses, its unique design creates a perfect sanctuary for plus-size sleepers.
For enhancing your comfort, we suggest using cotton duvets over this mattress. The cotton mattress is low maintenance, breathable, and soft against the skin.
Puffy Royal Mattress
- Reflexive Memory Foam
- Suitable for all sleep positions
Deep and restorative sleep is just one step away!
Puffy Royal Hybrid will maximize your sleeping comfort with its 7 cloud-like plush layers (check the most comfy mattresses). It will keep you cool and comfy all night long. It has been ranked as the Best Luxury Mattress 2023 by Mattress Online.
This mattress will give you targeted support, the right bounce, and unbeatable pressure relief. It comes with a stain-resistant cloud cover that is hypoallergenic and plush. This cover will keep the mattress safe and make it durable (check the top rated durable mattresses).
Toss and turn without any discomfort. Puffy Royal Mattress has a ‘1.5-inch premium contouring foam’ designed to give users ultra-responsiveness. It conforms to the curves of the body to help you feel enjoyable and snug.
Its 2 inches of ‘climate comfort foam’ enhances air flow, regulates temperature, and absorbs moisture. This means you can have fun in your moisture which is highly breathable and clean.
You will get full-body targeted support in the most crucial body parts, such as the neck, back, shoulders, and hips. Its 5 zones cushion these critical parts and sculpt them according to the shape of the body.
This mattress is especially recommended for couples who want it to remain stable while their partner moves. Its high-density foam and pocketed coils will ensure complete motion isolation till the edges.
Moreover, it has a grip base cover that keeps the mattress in its place and suppresses any displacement. It caters to the need of every sleeper type. Thus it does not matter if you are a back, side, stomach, or combo sleeper (check the top rated mattresses for combination sleepers).
People who love soft mattresses with a springy feel will love this one. It has unmatchable pressure relief and is acknowledged by the American Chiropractic Association. It lessens back pain and relieves stiff joints and strained muscles.
Puffy believes in the quality of its products and has manufactured this mattress with a warranty for life. On the firmness scale, it has an ultra-plush feel in-between 4-6.
Its cloud-like comfort and unique design make it stand out and different among all. You can also gift this useful gift to your friends or partners on special evenings.
This Puffy mattress can fit on any flat surface and thus can be put on any bed frame, like adjustable frames and box springs. Bed frames or bedsteads are to keep the mattress base in position and diminish any squeaking or sliding that can disturb sleep.
Elm Sleep Resort Collection Hybrid Mattress
- Best pressure relief
- Made in USA
Rest easy. Wake tough!
This hybrid mattress by Elm is light, soft, and comfy for a night’s sleep. This mattress provides premium features at affordable rates. The fabric used to make this mattress is extremely plush and lavish in feel (check 10 great plush mattresses).
This mattress caters to the needs of all sleeper types and heavy individuals. It has two firmness options from which you can choose; luxury plush and luxury firm.
Luxury Plush (5) has great pressure relief and softness that is especially ideal for side sleepers. It fulfils the needs of all sleeping styles with its plush feel that is silky-smooth to the touch.
On the other hand, heavy side sleepers over 280 lbs should opt for its firm Luxury Firm (7) mattress. This mattress supports heavy side sleepers and back and stomach sleepers (check the best selling mattresses for back sleepers).
No off-gassing means no bad air!
It creates a realm for clean, refreshed sleepers and is least harmful to the environment since it uses no toxins, ozone-depletive materials, or flame retardants.
This mattress has a 3″ HD Visco that gives pressure relief to aching parts of the body. Additionally, its support for the lumbar and back area is unrivalled.
It has ‘reinforced edges’ that prevent slipping off the sides, which are splendid for active sleepers. The mattress has a Luxurious 360 stretch knit cover that is durable and opulent to the touch. The hybrid coils are for deep support and comfortable resting space.
Its side panels have a dark color fabric so that it looks clean and elegant.
It is a responsive mattress that contours and has maximum recovery. It will not sag and will remain firm for long periods. Moreover, its cover is cool and makes you feel fresh and comfy.
Couples prefer this mattress because of its ‘no motion transfer’ feature and stable configuration. What’s even greater is that it has a 1″ HD poly base, allowing it to be used on most beds, adjustable bases, and platforms.
However, it goes best on slatted and platform beds. Slatted beds are particularly good in supporting mattresses through slates placed horizontally in their construction.
Stearns and Foster Reserve Hepburn
- Quality & Comfort
- Support, stability, & durability
Want promising results? Sterns and foster are the ones to be owned.
Reserve Hepburn by Sterns and foster is the best mattress you will ever come across because of its ultimate comfort. It has a warranty of over ten years, meaning you can surely relish your nights of sleep for up to a decade. Sterns and foster Reserve Hepburn is made with the best quality, with no match around.
Its foam firmly makes you feel strong, but it also has a soft touch to provide you with comfort. It promises to provide you with a good smooth sleep. Moreover, it improves the quality of your sleep as well.
Sterns and foster comprise an absolute coil technology: intellicoil HD, precision edge, and intellicoil micro. Intellicoil HD gives you true support, which all social animals require. Precision edge in the form of high-density inner springs is a master which provides great edge support and durability.
Lastly, intellicoil micro spreads throughout the mattress to provide you with guaranteed lifetime support and increased durability. The quality of sterns and foster is not only great outside, but its inside is also unmatchable and unparalleled. It has high-density HD memory foam, made by sleep scientists and provides instant pressure relief.
Want a deep but cool slumber? Sterns and foster foam is made all breathable to reduce excessive heat storage in the mattress. It has ventilated coil system, which is combined with copper air vents that provide good airflow even across the mattress.
Sterns and foster allow motion isolation, allowing minimum motion transfer, almost making you feel weightless. It provides customized head and foot positions so you can rest and even work sitting at your side of the bed. Sterns and foster mattresses have maximum adjustability and firmness level on a scale from one to ten.
So you can relax and choose the firmness level which suits you the most.
You can put silk bed sheets over this mattress for a safe and healthy night’s sleep. Mulberry silk is known for its benefits in keeping the skin wrinkle-free and clean.
DreamCloud Premier Rest Mattress
- Soft cashmere blend cover
- Optimal spinal alignment
Want your dreamy sleep experience? No worries, dream cloud sleep is here for you.
Dreamcloud sleep is a benefaction of luxurious hybrid comfort (check the best selling hybrid mattresses), which you will feel for the first time. The mattress and its cover are tested to provide promising results. The cashmere cover is a cloud pattern that is extremely soft, like a feather, and durable.
Dreamcloud sleep has Certi-Pur-US-certified memory foam quilted into the pillow top, which releases you from pressure. After going through a tiring day facing dust and dirt, one thing we need is surely the escape from pain in the body. No worries. Its memory foam reduces pressure from all your extremities, including the head, neck, back, and hips.
Inside the memory foam, an inch of contouring soft foam is present, quilted into the pillow top. It supports a tight sleep and makes you feel hugged all night and all the time. It contours your body shape and automatically aligns with the curves of your body.
Another comfort foam layer is below the pillow top for additional comfort and support. So there’s no way you will feel comfortable less or without support while using a dream cloud sleep mattress. Its dynamic transition layer is three-and-a-half-inch Certi-Pur-US certified support foam that keeps your spine aligned and supports you but not allowing you to feel the springs inside.
Its mattress comprises eight and a half inches of innerspring steel coil that serves the functions of reduced motion transfer and airflow. Thus, allowing you to feel airy and light. The corners of the mattress are constructed with thicker coils for additional edge support.
The foundation of your relaxation lies at the bottom of your bed in the form of a stable base layer beneath all the mattress layers. In addition, its mattress is covered by a cashmere cover which is extremely feather-like (light) and offers great breathability.
You can place a topper on this mattress to keep it safe and clean. Toppers keep the underlying mattress protected from damage and increase its durability.
So, buy your dreamy sleep now!
Diamond Flurry Lux Cooling Hybrid
- Foam encased coil system
- Made in USA
The coolest of all!
Flurry Lux Cooling Hybrid mattress by Diamond is about keeping your nerves cool and relaxed. It provides signature cooling through its Graphene Foam that continuously draws heat away from the body and keeps it cool (check the top rated cooling mattresses for hot sleepers).
Heavy-weight individuals tend to have night sweats due to more body mass. This mattress is for all who want to sleep peacefully and wake up all fresh and clean.
In addition to the high-density graphene foam, it contains a system of encased coils that support heavy-side sleepers while lying. The euro top is plush and luxurious in feel and is cool to the touch.
The euro top also gives extra height to the mattress and makes it look more luxurious and expensive.
The encased coils provide targeted support and give exceptional pressure relief. They sculpt the contours of the body and reduce tossing and turning at night. The coils are separately wrapped and act personally, which means a stable mattress with minimal motion transfer.
All the foams are Certipur-US certified and contain no harmful chemicals or toxins, such as VOCs. It has extra edge support to move around your territory unrestricted.
The Coolstream Lux Cooling fabric is cool to the touch and extremely lightweight. It feels like lying on a cloud. This mattress has two firmness levels from which you can choose.
This mattress is great for sex because of its moderate bounce and extremely fast response time. There is no off-gassing which makes it an exceptional eco-friendly product.
To put cheery on its top, you should pair it with blankets made of wool or cotton. Wool has temperature regulation properties that make wool blankets to be used year-round.
How Many Inches Should A Good Mattress Be?
A good mattress should be at least 8 inches thick because the thicker it is, the softer it feels. Such a mattress should have 2 to 3 inches of comfort layer and a base 5 to 6 inches thick.
Are There Sheets Available For 18 Inches Mattress?
Yes, Deep-pocketed fitted sheets fit on mattresses up to 18 inches thick. These sheets are intended for mattresses that are thicker than average. Its sheets are at least 16 inches and some 22 inches deep, allowing them to fit over a thick mattress. This is great for thick mattresses because the ordinary sheets placed on thick mattresses are often seen sliding or getting accumulated.
Is An 18-Inch Mattress Good For Lovemaking?
Yes, the 18-inch mattress is good for sex due to its firmness and high response time. What you need in sex is a mattress that does not sag and gives you the right support. This mattress has exceptional contouring that adjusts with the body’s curves and helps relieve pressure.
What Is The Thickest Mattress You Can Buy?
Mattresses more than 16 inches are extra deep, tall, and thick. The thickest mattress you can buy would be 22 inches. These thick mattresses are particularly for heavy-weight people and those who crave a mattress with great pressure relief and support. Heavy-side sleepers find them a good fit for themselves.
Are 18 Inches Good For A Mattress?
Buying a mattress depends on individual priorities. The 18-inch mattress is good when you are overweight or seek extra support at night. The response time of an 18-inch mattress is exceptionally fast, making it a good mattress. Make sure to consider a bed foundation that is not taller than 7 inches.
What Size Mattress Do Most Couples Have?
The most popular mattress among couples is Queen Size. This mattress is 60 inches wide and 80 inches long which has ample space for a couple to have their personal space and have fun. It is large enough and still can fit in an average bedroom.
Solo sleepers who stretch out a lot and want a mattress that hugs them like a cloud will love this one.
Key Insights into 18-Inch Mattresses and Their Alternatives
Exploring Other Thickness Dimensions
While the market hasn’t yet welcomed an 18-inch mattress, exploring alternative thickness dimensions like those offered by Saatva, Sterns and Foster, or Puffy can lead you to some of the best thick mattresses available. A good mattress should ideally be at least 8 inches thick to ensure a blend of comfort and support.
Accommodating Fitted Sheets
For those who seek to dress their thick mattresses, deep-pocketed fitted sheets are available that snugly fit on mattresses up to 18 inches thick, preventing common issues like sliding or gathering usually experienced with ordinary sheets.
Suitable for Intimate Moments
The firmness and high response time of an 18-inch mattress make it an excellent choice for lovemaking, providing the right amount of support without compromising on comfort. The exceptional contouring adjusts seamlessly with the body’s curves, promoting a relieving pressure experience.
Maximum Thickness Available
For those in pursuit of the thickest mattresses, the market offers options going up to 22 inches. These extra deep mattresses cater especially to heavy-weight individuals, providing unparalleled pressure relief and support, making them a go-to choice for heavy-side sleepers.
Individual Preferences Dictate the Choice
The decision to opt for an 18-inch mattress boils down to individual preferences, particularly catering to those overweight or those seeking extra nocturnal support. Ensuring a bed foundation not taller than 7 inches is crucial to reap the benefits of such a mattress.
Popular Choice Among Couples
Queen Size mattresses reign supreme among couples, offering ample space for personal comfort and fun, while fitting comfortably in an average bedroom. Solo sleepers desiring a snug mattress that cradles them tenderly will find a Queen Size mattress a heavenly retreat.
Our Recommendation
This buying guide contained a list of 18-inch mattresses that are specially designed to cater to the issues faced by heavy-weight individuals. All the mattresses mentioned above had cooling mechanisms and extra support. We recommend you thoroughly review the guide and decide which mattress is for you. The decision is yours now.