TOP 6 Best California King Mattresses in 2021

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Written by: Alex Savy
Read 25 minLast updated April 5, 2021

In the world of mattresses, the Queen is the queen of sizes.

At the same time, King and California King are quite popular too. But I often come across many people who believe these two are the same.

And that is not entirely true.

In this article, I will point out the main differences between the Cal King and regular King sizes and share my reviews of  the 7 best California King mattresses that can give you the heaven-quality rest.

So, if you want to make your shopping easier, continue reading!

A Quick Preview

Best Overall - Editor’s Choice

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Best Mattress for Heavy Couples

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Best for Motion Isolation

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Best Cheap Mattress

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Best for Thermoregulation

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Botanical Bliss
Best for Adjustable Firmness

Botanical Bliss
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Reviews of 6 Best California King Mattresses

Best Overall – Editor’s ChoiceSaatvaSaatva-Classic

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  • three firmness options to satisfy more sleepers;
  • wrapped comfort coils to reduce motion transfer and deliver targeted support;
  • enhanced edge support for extra sleeping space.

The first model I would like to add to this list of the best California King mattresses is the hybrid by Saatva. What makes this model stand out from many of the competitors is its reliable build, smart construction, and variability.

The Saatva is a hybrid mattress that combines thick, tempered support coils with independent comfort coils. Unlike many other hybrids (such as the Dreamcloud, for example), this model uses a special spinal technology for improved comfort (and to help sleepers maintain a healthy back). Plus, there’s an extra encasement around the edges, which means the Saatva can offer more legroom (and could be perfect for partners who want additional sleeping space).

Best Cal King Mattress for Heavy Couples – WinkbedsWinkbeds

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  • four firmness levels available;
  • great lumbar support;
  • breathable construction.

The Winkbeds deserves its place on this list of the best California King beds due to its versatility. There’s an option to suit almost anyone’s needs, so just knowing yours is enough—they’ve got the rest covered.

The coil system, which serves as the base of the mattress, is divided into several zones. The number of zones varies depending on the model, but here’s the idea:

No matter what position you sleep in, your body weight is evenly distributed throughout the mattress, helping your spine to maintain a correct and relaxed position.

The mattress comes in four firmness options: Soft, Luxury Firm, Firm, and Plus. The latter is designed especially for people weighing 300 pounds and above. This means it can withstand larger loads for a long time without sagging. Plus, it is quite firm, but heavier sleepers will feel it as a comfortable level of 67 out of 10.

Thus, the Winkbeds is a great Cal King mattress for heavyy couples, as well as for most sleepers out there, due to the range of options and an overall balanced feel.

Best for Motion IsolationPuffy

puffy mattress

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  • lifetime warranty for your peace of mind;
  • gel-infused foam for cooler sleep without neglecting proper pressure relief;
  • firm core support layer to ensure proper weight distribution and tension alleviation.

The Puffy surely deserves to be among the best California King mattresses, and there are multiple reasons for that. The main one, however, is the slow response of the foam this model uses. Not only does it work to deliver close conforming and adaptive pressure alleviation, but also absorbs shock from motion to ensure undisturbed partnered sleep.

Another cool thing about this mattress is that the Puffy’s warranty duration exceeds even some of the more expensive competitors. I mean, let’s compare the 25-year warranty of the Botanical Bliss and the Puffy’s lifetime warranty. To me, the Puffy seems like a real steal for the money.

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Best Cheap California King Mattress – Nectar


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  • great motion isolation;
  • proper spine support in different positions;
  • temperature-neutral design.

If you are looking for a cheap California King mattress, stop right here. The Nectar mattress in its Cal King option costs under $1,000, and this wasn’t achieved by compromising on the quality. That’s why it is on this list.

Its high-density base foam supports your body and isolates movement extremely well. So, if your partner actively tosses and turns during sleep, you won’t suffer from motion transfer with the Nectar.

Now, most types of foam are known for trapping heat and sleeping hot. With the Nectar, this problem is solved quite effectively by infusing a cooling gel into the top memory foam layers. Plus, the cover of the mattress uses Tencel fabric, which is quite breathable and nice to the touch.

The Nectar offers a medium-firm feel, somewhere between 5.5 and 7.5 (with 10 being the firmest and 1 being the softest), depending on your weight. This level of firmness has been found to suit most people. The real benefit here is the company gives you an entire year to understand if it suits you personally.

Overall, it’s a great pick if you love an all-foam mattress for the cradling feel but don’t want to deal with temperature issues. If you’re somebody who wants to get a large comfortable bed without emptying your wallet, you may love this model.

Best for Thermoregulation — Dreamcloud

Dreamcloud Mattress

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  • balanced medium support;
  • luxury look and feel;
  • breathable design.

Being among the best California King mattresses, the Dreamcloud has much more to offer than just extra legroom. This breathable hybrid mattress would work perfectly for anyone who hates sleeping hot but does not want to sacrifice cradling for a cooling effect.

This model is constructed with eight different layers of various materials, which complement each other seamlessly. This creates a pleasant sensation of medium firmness, without that “sinking-in-your-bed” feeling, which is optimal for most users.

Several materials are responsible for maintaining proper thermoregulation here. The soft cashmere cover fabric and layer of gel foam right below it effectively draw away excess heat from your body. Plus, the latex inside the mattress enhances airflow between the layers and reduces the chances of mold and mildew development.

Now, in terms of comfort, the combination of high-density foam and individually wrapped coils allows you to get the needed support for your spine, while the top layers of latex and memory foam offer the right balance of cradling and bounciness.

Overall, the DreamCloud mattress is pretty comfortable. It works well for back and stomach sleepers and is supportive enough for most side sleepers. What’s more — It’s a real steal for such a price.

Best for Adjustable Firmness – Botanical BlissBotanical Bliss

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  • 2-in-1 firmness;
  • 3 thickness options: 9”, 10”, and 12”;
  • available in a split configuration.

The Botanical Bliss is probably one of the best California King mattresses I’ve reviewed. Particularly because it allows you to adjust the firmness level by swapping the upper and medium layers to achieve the result that best suits your sleeping style. 

Now, this mattress features three layers of Dunlop latex, each with a different firmness feel. In the medium build that we tested, the layers have a soft, medium-soft, and medium firmness and result in an optimal feel for petite and average-weight sleepers. Heavy sleepers might want to scale up and go for the medium-firm version with an extra-firm base that can deliver more sufficient support.

Above the latex comfort layer, there’s a padding made of natural wool which enhances the breathability of the mattress. It adapts to changes in your body heat and can keep your bed temperature-neutral all year round.

Finally, natural latex is more resilient than synthetic foams, so you can expect a longer lifespan from the Botanical Bliss and enjoy its moderate hug and breeze-like sleeping experience.

With all of that being said, if you’re looking for an eco-friendly bed that leaves some room for customization, I would recommend the Botanical Bliss.

How Did California King Beds Appear?

The California King is the only location-driven bed name in America so far..

But there are no kings in California, right?

Let’s find out.

Historically, before World War II, most beds in America were either Twin or Full. Larger beds known as King and Queen were introduced to the public by two major furniture producers — Sealy and Simmons — in the 1960s. Simmons, at the same time, was making a separate kind of beds for celebrity mansions of the West Coast, labeling them as Western King. These beds were 72” x 84”, while the regular (Eastern) King beds measured 76” x 80”.

Western King mattresses became so popular on the West Coast that they remained as the standard bed size up until the 1980s.

When other retailers began to offer 72” x 84” mattresses all over America, they had to name them California King in order to avoid confusion with regular King beds (1).

What Are the Main Differences Between King and California King Mattresses?

That was a little bit of history, but now let’s get back to modern times now.

Today, California King mattress dimensions are 72” x 84”, which makes this size the longest available on the market to date. At the same time, the regular King measures 76” x 80” and is currently the widest mattress available (2).

If you have a King bed, there’s an easy way to imagine the approximate size of a Cal King one. Just take 4 inches off your King’s width and add it to the length instead.

Of course, the difference in dimensions has both advantages and drawbacks. Let me explain them below.

Pros and Cons of California King Mattress Explained

Both King and California King are excellent choices for couples. But the latter has one significant advantage: it is suited for people whose height is more than 6 feet. So, if you or your partner are considerably tall or you like to stretch out in your bed, the extra 4 inches of the mattress length may just be exactly what you need for a relaxing sleep.

Now, there’s a common misconception about the California King mattresses:

Some believe that since they are “irregular” in length, choosing bed sheets might become a serious problem.

This might have been an issue. Decades ago.

But today, manufacturers offer different types of sheets and other bedding items in various sizes, including the popular Cal King size.

To me, the only significant drawback of California King mattresses is that they have a less width for one person — 36’’ compared to 38’’ in the regular King bed — and surface area overall.

Here, let me do the math for you here:

For King, 76 x 80 equals 6,080 square inches of total area. And for Cal King, 72 x 84 equals 6,048 square inches of total area.

The gap might not seem so drastic, but in some cases, it can make a significant difference.

Now, regarding the price range, both King and California King are the most expensive options on the mattress market. Yet, I have found that most manufacturers have the same price for both of these sizes. Overall, for low-cost models, you’re looking at around $400, with prices reaching as high as $4,000 for top-rated options.

Who Is Cal King Most Suitable For?

Now, if you’re having trouble choosing between the King vs California King mattress, you’ll be in the favor of the latter if:

  • you or your partner are more than 6 feet tall;
  • your pets sleep with you, on or in your bed;
  • your bedroom’s dimensions require a mattress that is narrower than a regular King.

And that’s not all:

For couples who have different preferences concerning their perfect sleeping surface, some manufacturers even offer split King and Cal King sizes in the same mattress.

“Split” means your mattress comes in two different twin-sized pieces. Thus, you can pick the firmness and the materials suitable exactly for you. And your partner can do the same.

Another benefit of getting a split Cal King mattress is the excellent motion isolation during sleep. When sharing a bed with your partner, you surely want to feel as little of their movement as possible to sleep well throughout the night. And split options allow for exactly that.

Plus, they are easier to move around, which is a great bonus when it comes to moving to another house.

Types of Available Mattress Material You Can Choose From

Today’s market has a huge variety of mattress models for every taste. When it comes to a suitable range of materials, you will most likely be choosing from the options listed below.


One of the most affordable choices, it features a block of coils inside and mostly just one thin comfort layer on top. The number and flexibility of coils determine how well the mattress will help you maintain the correct spinal position during sleep.

For fans of a firmer and bouncier feel, this could be the perfect option. It is worth noting that along with that comes poor motion isolation, and, for heavier users, a tendency for the springs to rust and start making squeaky sounds over time. Not ideal in a shared apartment, or unit block where you share a wall. 


The construction of this kind of mattress may include several layers of foam of different density, which balance each other out, creating a comfortable and supportive overall feel.

If you like sinking into your bed a little, this is the material for you. Something to be aware of when choosing foam beds is that they are often made from petroleum and have a closed-cell structure. This can eventually lead to excessive moisture and mold.

Memory Foam

Memory foam is a type of foam that is less resilient and more elastic than other types of foam. It’s an excellent choice for side sleepers, as the mattress can gently hug your body and cradle your shoulders, hips, and other pressure points. Some manufacturers infuse the foam with cooling gels to make your sleep even more comfortable.


Latex mattresses are a more eco-friendly and natural alternative. They are known to maintain better air circulation inside the layers and effectively withdraw body heat, preventing you from sleeping hot. Plus, latex is bouncy and more resilient. It’s hard to find any significant drawback about it except for the higher price and that its bouncier feel simply might not appeal to you.


A hybrid mattress combines two or more of the aforementioned materials. This allows it to eliminate the drawbacks and reinforce the benefits of each material. It’s an excellent option for someone who is looking for a more balanced feel. Note that hybrids are usually more expensive than other types.


These mattresses have an extra layer on top, which is sewn onto the mattress. It is often made of microfiber or soft foam fillers, as well as wool, and sometimes even feathers. This is used to provide a more luxurious look and feel. A pillowtop can also enhance the overall comfort of your bed.

Shopping at a Store vs Shopping Online

For some people, shopping is a way to have a social time with family and friends, while others panic as soon as they hear the word.

Since a mattress is quite a significant investment that involves spending not only your hard-earned money but also your time, I decided to clarify the pros and cons of online and offline shopping to help you choose how best to make that investment.

So, with online shopping, you can:

  • shop sitting in your pajamas from the privacy of your own home;
  • read reviews and research available options to make an informed decision;
  • “visit” a large number of stores within a short amount of time;
  • do this at any time, even late at night, as online stores are never closed.

As a bonus, online shopping gives you access to a large number of promotions and discounts, especially if this is your first order.


  • you can’t test or feel the item you’re going to buy.
  • if you want to buy pillows, blankets, toppers, and other bedding items along with the mattress, implying they all come from different online stores, you might end up spending some serious money on delivery;
  • it’s harder to make sure that you’re buying an original product.

Do not forget that shops receive your email after you make an order, so don’t be surprised to get spammy emails flooding into your inbox.

Now, when buying a mattress offline or physically in stores, you can:

  • talk with a consultant about the model you are interested in;
  • test the product yourself without relying on random or even fake reviews;
  • have an easy return process, as you will know exactly where to go for help.


  • it’s time and energy-consuming;
  • the prices in retail stores are usually much higher;
  • not all stores have a great range of items to choose from.

In general, the choice of the appropriate type of shopping depends on you and your personal preferences. For example, if you are already familiar with the manufacturer and only want to replace your mattress with a newer model, then making an online purchase can be an ideal option.

And if you are ready to spend time thoroughly testing the models presented at the stores, then offline/in-store shopping is what you need.

What to Consider When Shopping for a Cal King Mattress?

Now, before making your purchase, please consider the tips I have gathered for you below.

  • Measure your room (and your bed frame).

This is a useful step whatever the size of your mattress. But as Cal king is the largest one and will take up quite a lot of space, I suggest that you measure twice.

The ideal room size would be 10 x 12 feet.

Shopping itself is quite a stressful thing, and the availability of discounts and hot deals might often make you feel the urgency to click the “Order” button right away. But that’s just a marketing move. So, calm down and take time to make sure your desired bed will fit into your bedroom.

  • Leave enough room to move.

Just making measurements is, in fact, only half of the process. It is also important to analyze how much space will be left around the bed and make sure that the bed itself does not engulf the entire room. Leaving 25–30 inches of space on each side is considered optimal.

Now, don’t forget about the nightstands. Their size impacts the amount of space around the bed too. Note that you should also have a gap of at least 2 inches between the bed and the nightstand to separate the furnishing.

Now, if you get a one-piece California King bed, you should also consider how you will bring it into the room. Mattresses of such width cannot always fit through narrow staircases. Plus, they are usually rather heavy, so you might want to use the help of friends, relatives, or removalists. If it’s not possible, then consider buying a split California King mattress instead.

  • Be sure to read the terms of the trial period and return policy.

Sometimes you buy a mattress, sleep on it for a few weeks, only to realize that it isn’t exactly what you wanted.

That’s where a sleep trial comes in.

Today, most online mattress companies offer a trial period during which you can return your new mattress and get a full refund if you’re not completely satisfied.

Each mattress company provides slightly different conditions (3), which is why it’s important to get familiar with the terms offered by the particular company you are considering.

Note that after the trial period is over, you can return a mattress or get it replaced only if it happens to be defective. This is called a warranty. Similar to trials and returns, a warranty also comes with particular rules and limitations, so it’s worth reading and understanding how it works.


What is the difference between a King and a California King mattress?

The Standard King mattress is 76” x 80”, and the California King mattress is 4 inches narrower and 4 inches longer, thus measuring 72” x 84”.

What is a split California king mattress?

A split California King mattress consists of two independent halves, each measuring 36” x 84”, that can fit into a Cal King bed frame. This division allows you and your partner to choose a mattress according to your individual preference and needs.


California King sized mattresses have quite a few features that should certainly be considered before you make a purchase. But my key piece of advice is this: Choose products from well-known brands that provide a trial period, allowing you to check whether the mattress is right for you. 

Above, I have collected the best models available in today’s market. And I’m sure at least one of them has appealed to you. As for me, I would choose the Saatva hybrid without doubting for a moment. This Cal King mattress has pretty much everything you might be looking for to sleep comfortably. It is supportive, temperature-neutral, good for pressure relief, and even works to help sleepers keep a neutral spine when lying down. Plus, there are multiple firmness options available, which means any user could find something that would work for them.

What about you? Which criteria are the most important for you when it comes to choosing a new mattress? Feel free to share your thoughts in the comments below!


  1. Mary Ann Hogan (1994, March 26). California King’s Reign Stops at the State Line. Retrieved from
  2. Melanie Shebel (2020, February 21). The Difference Between California King and King Sized Mattresses. Retrieved from
  3. Ron Lieber (2016, September 16). Buying a Mattress Online Was Easy. Now, About the Return. Retrieved from

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