Best California King-Size Latex Foam Mattresses


Our review process

We've done all the heavy lifting researching California king-size latex foam mattresses. That way, you don't have to pour over confusing reviews about selecting the right one for you. By reading this guide, you'll have an excellent understanding of what kinds of mattresses are available on the market, so you can confidently purchase a mattress that will ensure comfortable sleep for years to come.

Here's what we think you'll want to know before buying a California king-size latex foam mattress. Moving heat away from your body, latex foam mattresses will allow you to stay cool at night. They are designed with a number of materials, giving you the choice between a wide range of foam densities and comfort levels. These breathable latex foam mattresses will provide proper ventilation to prevent moisture build-up. With low VOC foam, they do not emit odorous gases that have been attributed to respiratory discomfort or irritation unlike many synthetic mattresses which can release chemicals. They feature pressure-point relief, which helps alleviate any tension in your joints. However, these latex foam mattresses can smell a bit like chemicals at first, sometimes lasting up to several weeks before wearing off. On top of that, they are expensive, so if you're looking for a cheaper mattress, you should consider something else.

These California king-size mattresses measure 72" X 84" and are perfect for master bedrooms. Designed to be longer than other kinds of mattresses, they are great for taller adults who need extra leg room. They are ideal for couples, offering sizable space for two people. However, these mattresses are large and heavy, making them hard to move and flip. Another drawback is that they are not ideal for small spaces, since they can make the area look somewhat cluttered.

Best Overall Score
An image of TFS Extra Firm Latex Foam California King-Size Mattress

The TFS Extra Firm Latex Foam California King-Size Mattress is a good option for anyone who gets very hot while they're sleeping. This TFS mattress features an extra firm comfort level, which encourages deeper sleep. Available in a California king-size, it offers additional room from bottom to top. With a cotton cover, it is simple to wash and won't retain odors. It is resistant to dust mites, lowering your risk of having allergic reactions.

This TFS mattress features a latex foam construction, which combats mold and dust mites naturally. Using organic materials, it will keep the air clean, purified and free of toxins. It has a ventilated design, ensuring that you stay cool and relaxed throughout the night. With antimicrobial benefits, it prevents the spread of bacteria. This TFS mattress provides pressure point relief, reducing and alleviating tension in your muscles and joints.

    Pros
    • Extra firm mattress ensures a deeper and more restful sleep
    • Designed with a cotton cover for maximum comfort and coziness
    • Antimicrobial benefits ensure a healthier sleep area
    Cons
    • California king-size reduces the width of sleeping space
    • Extra firm mattress can put uncomfortable pressure on pressure points
    • Latex foam construction might feel too "spongy" for some
Runner Up
An image of Natura Sensational Sublime Latex Foam California King-Size Latex ActiveFUSION Climate Control Mattress

For a better night's sleep and endless comfort, opt for a Natura Sensational Sublime Latex Foam California King-Size Mattress. Available in a California king-size, this Natura mattress offers additional room from top to bottom. It has increased durability, so it will remain in excellent condition for years to come. It has a NaturaWool™ cover, which will control moisture levels within the mattress. Featuring a latex foam construction, this Natura mattress will naturally resist mold and dust mites.

This Natura mattress is built with a latex core, providing excellent air circulation by its open-cell natural structure. It contours to your body, providing the right amount of comfort and support. With pressure point relief, this Natura mattress helps to relax tight muscles and joints. This ActiveFUSION climate control Natura mattress monitors your body temperature to keep you warm if you're cold and cool if you're warm.

    Pros
    • Features a latex core, providing great air circulation by its open-cell natural structure
    • Contours to your body, enhancing its overall comfort and support
    • Pressure point relief technology reduces tossing and turning at night
    Cons
    • Comes in a California king-size, reducing the width of sleeping space
    • Latex foam construction may feel too "spongy" for some
For Side Sleepers
An image of Natura Gardenia Medium Firm Latex Foam California King-Size 12-Inch Mattress

For serious comfort and a restful night's sleep, consider the Natura Gardenia Medium Firm Latex Foam California King-Size Mattress. Available in a California king-size, this Natura mattress provides additional space from bottom to top. It is fire resistant, which is a safe option for your bedroom. It features a 12-inch thickness, which may appear too large in some bed frames. It features a medium firm comfort level, so it won't sag easily. It is designed with a latex foam construction, resisting mold and dust mites naturally. It features a NaturaWool™ cover, which will control moisture levels within the mattress.

    Pros
    • Medium firm mattress provides superior support of your body for uninterrupted sleep
    • California king-size is longer for increased leg room
    • NaturaWool™ cover helps to regulate humidity within the mattress
    Cons
    • Comes in a California king-size, reducing the width of sleeping space
    • Medium firm mattress can put uncomfortable pressure on pressure points
    • 12-inch thickness may tend to appear bulky in some bed frames
Additional Picks
An image of Natura Sensational Ravishing Latex Foam California King-Size Latex ActiveFUSION Climate Control Mattress

For a good night's rest and endless comfort, select a Natura Sensational Ravishing Latex Foam California King-Size Mattress. This Natura mattress is made with durable materials, which allows it to remain in excellent condition for years to come. Available in a California king-size, it offers four extra inches in length, so it's ideal for taller people. It features a NaturaWool™ cover, which will control humidity within the mattress. Featuring a latex foam construction, this Natura mattress will naturally resist mold and dust mites.

This Natura mattress is designed with a latex core, providing excellent air circulation by its open-cell natural structure. With pressure point relief, it is suitable for stomach sleepers. Designed to contour to your body, it provides increased comfort and support. It has ActiveFUSION climate control foam.

    Pros
    • Features a latex core, providing great air circulation by its open-cell natural structure
    • Designed to contour to your body to align joints to prevent joint and back pain
    • Equipped with pressure point relief technology for added spinal and joint support
    Cons
    • Comes in a California king-size, reducing the amount of horizontal sleeping space
    • Latex foam construction may feel too "spongy" for some
An image of TFS Soft Latex Foam California King-Size Mattress

For a good night's sleep and endless comfort, opt for a TFS Soft Latex Foam California King-Size Mattress. With a soft comfort level, this TFS mattress is perfect for people who sleep on their side or back and offers a cushioned surface while still relieving specific pressure areas. It is resistant to dust mites, keeping your sleeping space pest and allergy-free. It is designed to be resistant to mildew, which keeps it smelling fresh and looking good. It has a cotton cover, keeping you warm during the winter and cool during the summer. Available in a California king-size, this organic mattress offers four extra inches in length, making it great for taller individuals.

Designed with a latex foam construction, this TFS mattress will naturally resist mold and dust mites. It is designed with a jacquard cover and features a chemical-free cover for a toxin-free sleeping environment. This organic mattress reduces the environmental impact because it is built with sustainable materials. This TFS mattress has a moisture barrier, which helps prevents wetness build-up. Designed to contour to your body, it provides increased support and comfort.

    Pros
    • Soft mattress provides a perfect surface for side sleepers
    • Features a cotton cover, making it perfect for people with allergies and skin sensitivities
    • Designed to contour to your body for superior pressure point relief
    Cons
    • Comes in a California king-size, reducing the width of sleeping space
    • Latex foam construction may feel too "spongy" for some
An image of Natura Caresse Firm Latex Foam California King-Size 12-Inch Mattress

For endless comfort and a restful night's sleep, consider the Natura Caresse Firm Latex Foam California King-Size Mattress. Available in a California king-size, this Natura mattress provides extra room from bottom to top. It features a tencel cover, which is naturally immune to dust mites and other bacteria. Featuring a 12-inch thickness, this Natura mattress can support a lot of weight so it won't sink in easily. It features a firm comfort level, giving better support to pressure areas that we stress. This Natura mattress is fire resistant, which is a safe choice for your home. It has a latex foam construction, which combats mold and dust mites naturally. It has a NaturaWool™ cover, which helps to manage moisture levels within the mattress.

    Pros
    • Firm mattress will provide the support needed for spinal alignment
    • Comes with a tencel cover, making it one of the most environmentally-friendly fabrics
    • California king-size is longer for more leg room
    Cons
    • Comes in a California king-size, reducing the amount of horizontal sleeping space
    • Firm mattress can put painful pressure on pressure points
    • 12-inch thickness can appear disproportional in some bed frames
An image of TFS Healthy Nest Medium Firm Latex Foam California King-Size Mattress

The TFS Healthy Nest Medium Firm Latex Foam California King-Size Mattress is ideal for people who frequently have allergies. This organic mattress has a medium firm comfort level, which adjusts to the curves of your spine in order to keep your body straight. Available in a California king-size, it will reduce the width of sleeping space. It features a latex foam construction, which combats mold and dust mites naturally. With organic materials, it makes the air free of VOCs.

This cotton mattress is simple to wash and won't retain odors. This hypoallergenic mattress features a jacquard cover, which offers extra padding for a more comfortable feel and additional support. It features a specialized material that is resistant to dust mites, lowering your risk of having allergic reactions. It is resistant to mold, making it great for humid areas. This mildew-resistant hypoallergenic mattress is effective in preventing humidity and moisture from affecting the quality of your mattress.

    Pros
    • Medium firm mattress will provide adequate support to the spine without putting pressure on it
    • Made with a cotton cover for maximum coziness and comfort
    • California king-size is longer and more narrow than king-size mattresses for increased leg room
    Cons
    • Comes in a California king-size, reducing the width of sleeping space
    • Medium firm mattress can put painful pressure on pressure points
    • Latex foam construction may feel too "spongy" for some
An image of Natura Caresse Plush Latex Foam California King-Size 12-Inch Mattress

For a good night's rest and ultimate comfort, opt for a Natura Caresse Plush Latex Foam California King-Size Mattress. This Natura mattress features a 12-inch thickness, so after long periods of time it won't collapse around the edges. Available in a California king-size, it offers four extra inches in length, making it great for taller people. It features a tencel cover, which has excellent moisture management, keeping you cool throughout the night. With a plush comfort level, it is great for people who are looking for extra cushioning, without compromising support and durability. This Natura mattress is fire resistant, which is a safe choice for your home. It has a NaturaWool™ cover, which will regulate moisture levels within the mattress. It has a latex foam construction, which combats mold and dust mites naturally.

    Pros
    • Plush mattress is suitable for anyone looking for the ideal mix of softness and support
    • Features a tencel cover, making it one of the most environmentally-friendly fabrics
    • California king-size is excellent for taller people looking to find a comfortable bed that fits them
    Cons
    • California king-size reduces the amount of horizontal sleeping space
    • Plush mattress can become lumpy or sag over time
    • 12-inch thickness may appear disproportional in some bed frames
An image of TFS Soft Latex Foam California King-Size 8-Inch Mattress

For serious comfort and a restful night's sleep, consider the TFS Soft Latex Foam California King-Size Mattress. This TFS mattress has an 8-inch thickness, so the mattress will not sag in the middle or fall around the edges. It has a supportive design, aligning your spine horizontally when sleeping on your side. It features a soft comfort level, which will support your joints and other vulnerable areas. Available in a California king-size, this organic mattress offers four extra inches in length, so it's ideal for taller people.

This organic mattress reduces the environmental impact because it is constructed from sustainable materials. This TFS mattress features a latex foam construction, resisting mold and dust mites naturally. This quilt cotton mattress is simple to wash and won't retain odors. It is designed with a jacquard cover and has a chemical-free cover, so it won't emit toxic chemicals that can negatively impact your health. This organic mattress is dust mite resistant, so your sleeping environment will be allergy and pest-free. This mold-resistant organic mattress is great for a more hygienic and cleaner space.

    Pros
    • Soft mattress prevents pressure by balancing your body weight without having your back or joints sink
    • Comes with a cotton cover, keeping you warm during the winter and cool during the summer
    • Supportive design ensures proper spinal support and alignment
    Cons
    • California king-size reduces the amount of horizontal sleeping space
    • 8-inch thickness doesn't provide the most support
    • Latex foam construction might feel too "spongy" for some
An image of Natura Serenade Firm Latex Foam California King-Size 10-Inch Mattress

For a good night's rest and ultimate comfort, opt for a Natura Serenade Firm Latex Foam California King-Size Mattress. This Natura mattress features a latex foam construction, which resists mold and dust mites naturally. Available in a California king-size, it offers four extra inches in length, making it great for taller people. It has a tencel cover, which has exceptional moisture management, keeping you cool throughout the night. With a 10-inch thickness, this Natura mattress can sustain a lot of weight so it won't lose its shape over time. It features a firm comfort level, which encourages deeper sleep. It has a NaturaWool™ cover, which will regulate moisture levels within the mattress.

    Pros
    • Firm mattress provides a comfort level suitable for anyone looking for the perfect mix of softness and support
    • Comes with a tencel cover, making it one of the most environmentally-friendly fabrics
    • California king-size is four inches longer for more leg room
    Cons
    • Comes in a California king-size, reducing the width of sleeping space
    • Firm mattress can put uncomfortable pressure on pressure points
    • 10-inch thickness doesn't provide the most support
Finding the Right California King-Size Latex Foam Mattress for You:
All About Mattress Thickness for California King-Size Latex Foam Mattresses
8-10 Inch Mattresses

Looking for a California king-size latex foam mattress that's not too thick or thin? Check out an 8-10 inch mattress like this comfortable one. These 8-10 inch mattresses are less likely to cave in, so the surface will remain level to ensure adequate support. They are suitable to use with standard-size sheets, so it will be easy to find linens that fit. Featuring a standard thickness, they will fit in nearly all bed frames, unlike super thick mattresses. However, they wear out quickly, so they will need to be replaced more frequently. In addition, they provide less support than other mattresses, which can lead to restless and painful nights. Those are just some facts to help you get started on choosing the perfect 8-10 inch mattress.

10-12 Inch Mattresses

There are only two California king-size latex foam mattresses with a thickness of 10-12 inches. These mattresses are built with a sturdy build, making them more durable and able to sustain more weight. They are suitable to use with standard-size sheets, so it will be easy to find linens that fit. They feature a standard thickness, so you can rest assured knowing that they'll fit in almost any bed frame. These 10-12 inch mattresses are less likely to sag, so the surface will remain level to ensure proper support. However, they are higher off the ground, so getting into and out of bed is more difficult than it would be with a mattress that is thinner. You can look at this awesome California king-size latex foam mattress if a mattress with 10-12 inch thickness is what you're looking for.

12-14 Inch Mattresses

If you're searching for a supportive and comfortable California king-size latex foam mattress, you might want to think about getting a 12-14 inch mattress. These 12-14 inch mattresses are suitable to use with standard-size sheets, so it will be easy to find linens that fit. They are less likely to sag, so the surface will remain level to ensure proper support over time. They are built with a sturdy construction, making them more durable and able to sustain more weight. Something to keep in mind is that they have poor temperature control, so if you get hot at night, you might want to consider a thinner mattress with better temperature regulation. You can check out this California king-size latex foam mattress if a mattress with 12-14 inch thickness is what you're looking for.

A Guide on Comfort Level
Firm Mattresses

If you're trying to find a firm mattress, We think you should take a look at this California king-size latex foam mattress. Firm mattresses distribute your weight properly to support your back and joints and other vulnerable areas. They encourage circulation and blood flow, promoting deeper and more restful sleep. They are ideal for back sleepers and are built with a 34-36 pound indentation load deflection ranking. However, these mattresses may be uncomfortable if you're not used to sleeping on hard surfaces, so it'll take some time to get used to them. In addition, they can put strain on specific pressure points, so if you want a mattress that relieves pain in pressure points, this is not the mattress for you.

Ultra Plush Mattresses

Trying to find a super soft and cozy mattress? These mattresses are designed with an indentation load deflection ranking of 14-19 pounds and are suitable for people who sleep on their sides. Providing additional support, they are a preferable choice for making sure that any back problems or joint pain you have don't get worse. These contouring support mattresses adjust to the natural curves of your body for enhanced comfort. Something to keep in mind is that they are more likely to cave in over time, so it's likely that they'll be less comfortable and supportive since your body won't be aligned well. Additionally, they often become softer over time, so they'll wear down quicker than other kinds of mattresses and you'll probably want to replace them sooner. Feel ready to choose the right California king-size latex foam mattress for you? Get started here.

Extra Firm Mattresses

If you're trying to decide on an extra firm mattress, We think you should take a look at this California king-size latex foam mattress. Extra firm mattresses encourage circulation and blood flow, aiding in deeper and more restful sleep. They offer proper weight distribution, which will allow for even weight distribution. They feature a 39-42 pound indentation load deflection ranking and are suitable for back sleepers. Something to keep in mind is that they can put strain on specific pressure points, so if you want a mattress that relieves pain in pressure points, this is not the mattress for you. Also, extra firm mattresses might be uncomfortable if you're not accustomed to sleeping on hard surfaces, so it can take a few days to get used to them.