Explore 95+ Stunning California King Mattress Under 300 Voted By The Construction Association

If you're in the market for a high-quality California king mattress that won't break the bank, look no further than the Zinus 12 Inch Green Tea Memory Foam Mattress. This mattress is not only affordable, but it also offers a luxurious sleeping experience that will have you waking up feeling refreshed and rejuvenated every morning.

The Zinus 12 Inch Green Tea Memory Foam Mattress is CertiPUR-US certified, meaning it has been independently tested for safety and durability. It is made with a top layer of green tea-infused memory foam, which not only provides pressure relief but also helps to eliminate odors and keep your mattress fresh. The middle layer is made of high-density support foam, providing the perfect amount of support for your body. And the base layer is made of durable support foam, ensuring the longevity of your mattress.

This bed-in-a-box mattress is designed to be shipped directly to your doorstep, making it incredibly convenient and easy to set up. It also comes with a 10-year warranty, so you can sleep soundly knowing your investment is protected.

Overall, the Zinus 12 Inch Green Tea Memory Foam Mattress is a fantastic option for anyone looking for a comfortable, affordable, and environmentally friendly mattress for their California king bed. It's no wonder this mattress is a top seller and has thousands of satisfied customers.

The Linenspa 8 Inch Memory Foam and Innerspring Hybrid Mattress is another excellent option for those on a budget. This hybrid mattress combines the best of both worlds, with a layer of memory foam on top for pressure relief and a traditional innerspring system for support.

One of the standout features of this mattress is its medium-firm feel, which is perfect for those who prefer a balance of support and comfort. The top layer of memory foam conforms to your body, relieving pressure points and promoting proper spinal alignment. The innerspring system provides the necessary support, ensuring you don't sink too far into the mattress.

The Linenspa 8 Inch Memory Foam and Innerspring Hybrid Mattress is also CertiPUR-US certified, so you can trust that it is made with safe and high-quality materials. Plus, it comes with a 10-year warranty, so you can rest easy knowing your mattress is covered.

With its affordable price and comfortable design, the Linenspa 8 Inch Memory Foam and Innerspring Hybrid Mattress is a top contender for the best California king mattress under $300. Give it a try and see for yourself!

For those who tend to sleep hot, the Classic Brands Cool Gel Ventilated Gel Memory Foam 10-Inch Mattress may be the perfect option. This mattress is designed with cooling gel-infused memory foam, which helps regulate body temperature and keep you comfortable throughout the night.

In addition to its cooling properties, this mattress also offers excellent pressure relief and support. The top layer of gel-infused memory foam conforms to your body, while the high-density base foam provides the necessary support and durability. It also comes with a soft and breathable cover, making for a luxurious sleeping experience.

Like the previous mattresses, the Classic Brands Cool Gel Ventilated Gel Memory Foam 10-Inch Mattress is CertiPUR-US certified and comes with a 10-year warranty. It is also hypoallergenic and resistant to mold, bacteria, and dust mites, making it a great option for those with allergies or respiratory issues.

Overall, this mattress is an excellent choice for anyone looking for a comfortable and cooling mattress at an affordable price. So why not give it a try and see the difference it can make in your sleep experience?

The Olee Sleep 10 Inch Gel Infused Layer Top Memory Foam Mattress is another fantastic option for those looking for a cooling and comfortable sleep surface. This mattress is designed with three layers of foam, including a top layer of gel-infused memory foam, a middle layer of high-density support foam, and a bottom layer of durable support foam.

The gel-infused memory foam helps regulate body temperature, while the high-density support foam provides the necessary support and pressure relief. The bottom layer of foam also adds durability, ensuring that your mattress will last for years to come.

This mattress is also CertiPUR-US certified and comes with a 10-year warranty for your peace of mind. Additionally, it is compressed and shipped in a box for easy setup and convenience.

For a comfortable and cooling sleep experience, the Olee Sleep 10 Inch Gel Infused Layer Top Memory Foam Mattress is an excellent option for those on a budget.

The Signature Sleep Memoir 12-Inch Memory Foam Mattress is a top-rated option for those looking for a comfortable and supportive mattress at an affordable price. This mattress is designed with a top layer of memory foam, a middle layer of high-density foam, and a bottom layer of support foam, providing the perfect balance of comfort and support.

The memory foam conforms to your body, relieving pressure points and promoting proper spinal alignment. It also helps reduce motion transfer, making it an excellent option for couples. Plus, the foam is CertiPUR-US certified, ensuring it is made with safe and high-quality materials.

This mattress also comes with a soft and breathable cover, adding to the overall luxurious feel. And with a 10-year warranty, you can trust that your investment is protected.

If you're in the market for a comfortable and affordable California king mattress, the Signature Sleep Memoir 12-Inch Memory Foam Mattress is definitely worth considering.

The LUCID 10 Inch Gel Memory Foam Mattress is a top-rated option for those who prefer a medium-firm feel. This mattress is designed with a top layer of gel-infused memory foam, a middle layer of bamboo charcoal-infused memory foam, and a bottom layer of high-density support foam.

The gel-infused memory foam provides cooling properties, while the bamboo charcoal-infused memory foam helps eliminate odors and absorb moisture. The high-density support foam provides the necessary support and durability, making this mattress suitable for all sleeping positions.

Like the previous mattresses, the LUCID 10 Inch Gel Memory Foam Mattress is CertiPUR-US certified and comes with a 10-year warranty. It also comes with a soft and breathable cover, adding to the overall comfort and luxury.

For a comfortable and supportive mattress at an affordable price, the LUCID 10 Inch Gel Memory Foam Mattress is a top choice for many customers.

The Ashley Furniture Signature Design 12 Inch Chime Express Memory Foam Mattress is a top-rated option for those who prefer a firmer feel. This mattress is designed with a top layer of memory foam, a middle layer of transition foam, and a bottom layer of support foam.

The memory foam conforms to your body, while the transition foam provides additional support and reduces motion transfer. The support foam adds durability, ensuring your mattress will last for years to come.

This mattress is also CertiPUR-US certified and comes with a 10-year warranty. It is also compatible with adjustable bases, making it a versatile option for any bedroom.

If you're in the market for a firm and supportive California king mattress, the Ashley Furniture Signature Design 12 Inch Chime Express Memory Foam Mattress is an excellent choice.

The Sweetnight 12 Inch Plush Pillow Top Hybrid Mattress offers the best of both worlds, with a pillow-top layer for added comfort and gel-infused memory foam for cooling properties. This mattress is designed with a top layer of gel-infused memory foam, a middle layer of comfort foam, and a bottom layer of individually wrapped coils.

The gel-infused memory foam conforms to your body, while the comfort foam and coils provide the necessary support and pressure relief. The individually wrapped coils also help reduce motion transfer, making this mattress ideal for couples.

This mattress is also CertiPUR-US certified and comes with a 10-year warranty. It also comes with a soft and breathable cover, adding to the overall comfort and luxury.

If you're looking for a plush and comfortable California king mattress, the Sweetnight 12 Inch Plush Pillow Top Hybrid Mattress is a top choice for many.

The Modway Aveline 10" Gel Infused Memory Foam California King Mattress is another top-rated option for those looking for a cooling and supportive sleep surface. This mattress is designed with three layers of foam, including a top layer of gel-infused memory foam, a middle layer of ventilated foam, and a bottom layer of high-density support foam.

The gel-infused memory foam helps regulate body temperature, while the ventilated foam adds breathability and comfort. The high-density support foam provides the necessary support and durability, ensuring your mattress will last for years to come.

This mattress is also CertiPUR-US certified and comes with a 10-year warranty. It is also compatible with adjustable bases, making it a versatile choice for any bedroom.

If you're in the market for a cooling and supportive mattress, the Modway Aveline 10" Gel Infused Memory Foam California King Mattress is definitely worth considering.

Last but certainly not least, the Best Price Mattress 12 Inch Memory Foam Mattress is a top-rated option for those looking for a comfortable and affordable mattress. This mattress is designed with three layers of foam, including a top layer of memory foam, a middle layer of ventilated foam, and a bottom layer of high-density support foam.

The memory foam conforms to your body, while the ventilated foam adds breathability and comfort. The high-density support foam provides the necessary support and durability, making this mattress suitable for all sleeping positions.

This mattress is also CertiPUR-US certified and comes with a 10-year warranty. It is also compatible with adjustable bases, making it a versatile choice for any bedroom.

Overall, the Best Price Mattress 12 Inch Memory Foam Mattress is an excellent option for those looking for a comfortable and supportive California king mattress at an affordable price.