The best king-size mattresses offer support, comfort and ample space. Where a king-size differs from a queen or full is, of course, in the added inches it gives you for stretching out (we’re talking about an extra foot and a half to 2 feet in the width, depending). Kings are an excellent choice for people who like their space at night or who have a few furry friends they need to make room for.
The best king-size mattress overall should check several boxes. It should be accommodating for a wide range of sleeping positions and body types, and have solid edge support and motion isolation for couples who share a bed. The Brooklyn Bedding Signature mattress fits the bill to a tee. Plus, it offers a really good value.
Video: Best king mattress for 2024
Watch CNET Video Producer Owen Poole review the best king mattresses for 2024.
Read more: Best California King Mattresses for 2024
Best king size mattresses of 2024
Mattress price scale:
$ = Budget: $799 and below
$$ = Average: $800 to $1,699
$$$ = Premium: $1,700 and up
These reflect MSRP or list prices. Sales might make a mattress less expensive, but are always changing.
Type Hybrid mattressFirmness 3 firmness levels | Soft: Medium-soft to soft or 2 | Medium: Medium to medium-soft or 4 | Firm: Medium-firm or 7Trial 120 nightsWarranty 10-year limited warranty Price $$
Like
- Suits all sleeping positions because of its three firmness options
- Hybrid construction suits all body types
- Great bang for your buck
Don’t like
- You’ll have to spend an extra $300 if you wanted the optional pillow top
Why we picked the Brooklyn Bedding Signature mattress:
Kicking off our best king-size mattress review is the Brooklyn Bedding Signature mattress. It fits the bill for your average sleeper looking for a quality king bed that won’t cost too much.
More on Brooklyn Bedding signature:
What really impressed me about this one is that although this is a high-quality hybrid mattress, it costs less than the foam Casper. That’s pretty uncommon since hybrid beds are typically more expensive than all-foam ones, so they offer exceptional value.
It’s offered in three different firmness levels, giving you the option to cater exactly to your primary sleeping position. It’s suitable for all sleepers from back, stomach, side and combination. I really liked the firm option because it sat around a medium-firm, and I’m a stomach sleeper who needs that additional support. Side sleepers may want to consider the medium or soft model instead for more plushness.
Brooklyn Bedding Signature also has a hybrid construction containing almost 1,000 pocketed coils, making it durable and supportive enough for any body type from petite to heavy. As a plus for couples looking for the best king-size mattress, the outer perimeter of the coils is designed to be extra supportive and strong for enhanced edge support. If you’re looking for a quality king bed at a very reasonable price, this is a great pick.
Read our Brooklyn Bedding Signature Hybrid review.
Brooklyn Bedding Signature Hybrid
Type Memory foam mattressFirmness 5 or mediumTrial 365 nightsWarranty Forever warranty Price $$
Like
- Good for combination, back and stomach sleepers
- Strong memory foam feel for people who like hugging, contouring memory foam
Don’t like
- Might not be supportive enough for sleepers over 230 pounds
Why we picked the Nectar Premier mattress:
It’s the best king-size bed for people who want the traditional memory foam feel you can find in a Tempur-Pedic mattress at a more wallet-friendly price. It has a thick memory foam construction, giving it a relieving and slow-responding memory foam feel. It takes a few seconds for your body to activate the foam, but once it does, the memory foam slowly contours around your curves and nestles you into the bed.
More on Nectar Premier:
The Nectar Premier mattress is the replacement for the mattress company’s upper-level model called Nectar Lush. Inside the bed’s gel memory foam comfort layer is a phase-change material that helps keep your temperature neutral, unlike old memory foam beds that are notorious for retaining heat. For even more cooling abilities, you can also take a look at the Nectar Premier Copper model.
I think Nectar Premier falls around a 6 out of 10 on the firmness scale, making this king mattress suitable for most sleeping positions, especially back or stomach sleepers. If you’re a side sleeper under 150 pounds, it might not be soft enough for what you need. The memory foam nature of this mattress will also give some resistance to combination sleepers who switch positions during the night.
Editor’s note: The US Product Safety Commission recently issued a recall for Nectar Premier king- and queen-size mattresses manufactured on Sept. 24, 2021. Look for a model number CHILL and Prototype ID:ECS2003RHCH on a tag on the bottom of your mattress to find out if yours has been recalled. We have reached out to Nectar for comment and will update the story if they respond.
Read more in our full Nectar Premier mattress review.
Nectar Premier
WinkBed Mattress
Type Poly foam mattressFirmness 6 out of 10 or mediumTrial 100 nightsWarranty 10-year limited warranty Price $$
Like
- Medium firmness level accommodates all sleeping positions
- Zoned construction isn’t often found in foam mattresses
Don’t like
- Its all-foam construction may not accommodate sleepers over 230 pounds
Why we picked the Casper Original mattress:
For the best king-size mattress that skips the hoopla and offers affordable value, the Casper Original is a great entry-level option and could also be considered the best king-size foam mattress. It’s incredibly accommodating, comfortable and arguably the most popular bed-in-a-box mattress on the market.
More on Casper Original:
It has a simple three-layer construction that boasts a zoned support design, meaning it’s firmer under your back where you need additional support, and pressure-relieving under your shoulders and trunk where your body needs pressure relief.
It’s not slow-responding like memory foam mattresses are. Instead, this bed responds quickly to pressure and I’d describe it as a basic, neutral feel; like standard foam you might pull out from the cushions of your favorite comfy couch. The firmness level is also really accommodating, I’d rate it around a medium or 5 or 6 on the firmness scale. This makes it ideal for any sleeping position, from back, side or stomach, to combination sleepers.
The one downside about this bed is that it’s probably not ideal for people over 230 pounds, but there are plenty of Casper hybrid mattresses that offer support, durability and the same signature Casper feel. There’s a reason why it’s so popular; after laying on it, most people agree that it’s a comfy bed.
Read our Casper Original review.
Casper Original
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A look the Allswell Hybrid mattress
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Type Hybrid MattressFirmness 6 or medium to medium-firmTrial 100 nightsWarranty 10-year limited warranty Price $
Like
- One of the most affordable hybrid beds on the market
- Suits back, stomach and combination sleepers
- Accommodating for all body types
Don’t like
- A little too firm for side sleepers
Why we picked the Allswell mattress:
You may not be familiar with Allswell, but you’re likely familiar with its parent company Walmart. As its entrance to the bed-in-a-box game, Walmart introduced the affordable Allswell mattress. The Allswell mattress is a good hybrid mattress for the price of a low-budget foam mattress, giving it a well-deserved spot on this best king bed list.
More on Allswell:
Inside is a simple construction with a foam base layer, a 6-inch thick pocketed coil system and a poly foam top layer. It is quick to respond to pressure and you sit more on top of the bed than you do inside. If you’re a combination sleeper, this is music to your ears because it doesn’t give resistance like memory foam does when you switch positions. Also, thanks to its hybrid construction, it’s suitable for all body types. That said, it’s a tad on the firm side and best for back, stomach and combo sleepers.
In short, the Allswell mattress is a generally accommodating mattress that sells for a great price. You’ll be hard-pressed to find a quality king mattress that’s as wallet-friendly.
Read more in our Allswell mattress review.
Allswell
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CNET’s Dillon Payne trying out the Casper Wave mattress, testing how accommodating it is for stomach sleepers
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CNET’s Dillon Payne trying out the Casper Wave mattress, testing how accommodating it is for stomach sleepers
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Take a peek at the layers inside of a Casper Wave mattress, including foam-encased pocketed coils in the base layer.
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Take a peek at the layers inside of a Casper Wave mattress, including foam-encased pocketed coils in the base layer.
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The Amerisleep AS2 mattress is considered the best mattress for back pain on CNET’s best king size mattress list
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