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King Size Gel Mattresses

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Best Buy customers often prefer the following products when searching for King Size Gel Mattresses.

Experience the ultimate in comfort and support with our selection of king-size gel mattresses. Designed to provide a cool and restful night's sleep, these mattresses combine the plushness of a king-size bed with the innovative technology of gel-infused memory foam. Say goodbye to tossing and turning as you sink into luxurious comfort while the gel works to dissipate body heat, ensuring you wake up feeling refreshed and rejuvenated every morning. Upgrade your sleep experience with a king-size gel mattress that offers the perfect blend of softness and support for a truly restful night's sleep.

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  1. Cicely Sleep - Cicely 9-inch Soft Gel Foam Hybrid Mattress in a Box-King - White - Front_Zoom

    Product Description

    Unwind and embrace the blissful comfort of Cicely Sleep's 9-inch Soft Gel Foam Hybrid Mattress, designed to cradle you in tranquility and serenity. With its incredibly soft gel foam that gently contours to your body, providing the ideal blend of support and softness, you will effortlessly slip into a restful night's sleep. The CertiPUR US Certified foam ensures durability, performance, and content, bringing you the exquisite comfort of your dreams. The unique pocket coil design isolates movements, offering both you and your partner an undisturbed sleep regardless of your preferred sleeping position. Conveniently packaged in a box, this mattress is compatible with a variety of bed bases and frames, ensuring a seamless setup. The lumbar gel foam provides excellent durability and performance, making the Cicely 9-inch Soft Gel Foam Hybrid Mattress in a Box the perfect foundation for countless peaceful nights.
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    Product Description

    Unwind and embrace the blissful comfort of Cicely Sleep's 9-inch Soft Gel Foam Hybrid Mattress, designed to cradle you in tranquility and serenity. With its incredibly soft gel foam that gently contours to your body, providing the ideal blend of support and softness, you will effortlessly slip into a restful night's sleep. The CertiPUR US Certified foam ensures durability, performance, and content, bringing you the exquisite comfort of your dreams. The unique pocket coil design isolates movements, offering both you and your partner an undisturbed sleep regardless of your preferred sleeping position. Conveniently packaged in a box, this mattress is compatible with a variety of bed bases and frames, ensuring a seamless setup. The lumbar gel foam provides excellent durability and performance, making the Cicely 9-inch Soft Gel Foam Hybrid Mattress in a Box the perfect foundation for countless peaceful nights.
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    Your price for this item is $735.99
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  2. Lucid Comfort Collection - 10-inch Medium Firm Gel Memory Foam Mattress-King - White - Front_Zoom

    Product Description

    The Lucid 10" Medium Gel Memory Foam Mattress was made for every sleeper. This truly universal mattress is not too hard and not too soft for that just-right level of comfort. The premium gel-infused memory foam helps regulate body temperature to create an even more comfortable sleep environment. And the ventilation channels placed throughout the memory foam help to increase airflow and improve breathability. Finished with a moisture-wicking TENCEL Lyocell blend cover for the ultimate level of comfort., SLEEP POSITIONS: A universal mattress, our medium feel is ideal for side, back, or stomach sleepers, MATTRESS COMPOSITION: 3" gel memory foam, 7" base foam, COOLER SLEEP: Cooling gel is infused in the memory foam to help regulate your sleep temperature, BREATHABLE: Ventilation channels improve airflow throughout the night for cooler sleep, PREMIUM SUPPORT: High-density foam foundation helps align your back, hips, and shoulders, MOISTURE WICKING: TENCEL Lyocell blend cover helps to wick away moisture for optimal comfort, HYPOALLERGENIC: All our memory foam is CertiPUR-US certified, 100% free from harmful chemicals, 10-YEAR WARRANTY: Our quality construction and materials are guaranteed with a 10-year warranty, STURDY FOUNDATION: Prolong the life of your mattress with a sturdy frame; adjustable base approved
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    Product Description

    The Lucid 10" Medium Gel Memory Foam Mattress was made for every sleeper. This truly universal mattress is not too hard and not too soft for that just-right level of comfort. The premium gel-infused memory foam helps regulate body temperature to create an even more comfortable sleep environment. And the ventilation channels placed throughout the memory foam help to increase airflow and improve breathability. Finished with a moisture-wicking TENCEL Lyocell blend cover for the ultimate level of comfort., SLEEP POSITIONS: A universal mattress, our medium feel is ideal for side, back, or stomach sleepers, MATTRESS COMPOSITION: 3" gel memory foam, 7" base foam, COOLER SLEEP: Cooling gel is infused in the memory foam to help regulate your sleep temperature, BREATHABLE: Ventilation channels improve airflow throughout the night for cooler sleep, PREMIUM SUPPORT: High-density foam foundation helps align your back, hips, and shoulders, MOISTURE WICKING: TENCEL Lyocell blend cover helps to wick away moisture for optimal comfort, HYPOALLERGENIC: All our memory foam is CertiPUR-US certified, 100% free from harmful chemicals, 10-YEAR WARRANTY: Our quality construction and materials are guaranteed with a 10-year warranty, STURDY FOUNDATION: Prolong the life of your mattress with a sturdy frame; adjustable base approved
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    Your price for this item is $629.99
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  3. Serta - Sheep Retreat Medium 10” Gel Memory Foam Mattress-in-a-box - Multi - Front_Zoom
    Top comment

    "Great mattress...I researched these mattresses in box for a few weeks and finally settled on this one. "

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    Product Description

    Comfort has never been more convenient. The new Serta Sheep Retreat mattress delivers long-lasting comfort to your front door in our smallest carton ever. Thanks to the unique combination of Serta Gel Memory Foam, Serta Transitional Support Foam and Serta Foam Core you can get that sleep-til-noon rest you’ve always wanted.
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    Top comment

    "Great mattress...I researched these mattresses in box for a few weeks and finally settled on this one. "

    See all customer reviews

    Product Description

    Comfort has never been more convenient. The new Serta Sheep Retreat mattress delivers long-lasting comfort to your front door in our smallest carton ever. Thanks to the unique combination of Serta Gel Memory Foam, Serta Transitional Support Foam and Serta Foam Core you can get that sleep-til-noon rest you’ve always wanted.
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    Your price for this item is $699.99
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  4. Serta - Sleep to Go 11" Hybrid Firm Mattress in a Box -King - Light Blue - Front_Zoom
    Top comment

    "We love this mattress, its firm with the right amount of softness. "

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    Product Description

    Designed with cooling gel memory foam, this mattress seamlessly blends value and convenience with the durability and trusted comfort Serta is known for. This collection offers all-foam and hybrid designs with 3 zones for lower back support* and breathable fabric, so you wake up refreshed. Serta Mattress-in-a-Box collection delivers comfort at a value with convenient delivery—so you can rest easy night after night.*Available in select models only
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    Top comment

    "We love this mattress, its firm with the right amount of softness. "

    See all customer reviews

    Product Description

    Designed with cooling gel memory foam, this mattress seamlessly blends value and convenience with the durability and trusted comfort Serta is known for. This collection offers all-foam and hybrid designs with 3 zones for lower back support* and breathable fabric, so you wake up refreshed. Serta Mattress-in-a-Box collection delivers comfort at a value with convenient delivery—so you can rest easy night after night.*Available in select models only
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    Your price for this item is $599.00
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  5. Serta - Sheep Dreams 12" Medium Memory Foam Mattress -King - White - Front_Zoom

    Product Description

    Reach your Sheep Dreams with this 12” Gel memory foam mattress! Packed with three layers of foam, this mattress delivers optimized sleeping comfort. The 3 inch layer of premium gel-infused memory foam contours to the body for cradling comfort and allows airflow to help you stay cool and comfortable throughout the night. This medium-feel mattress provides best-in-class support with 2” of Serta Transitional Support Foam and 7” of Serta Foam Core. The best part? This mattress has an antimicrobial* cover that will keep your mattress fresh and clean. Serta has been trusted by sleepers for over 90 years, and with CertiPUR-US certified foams and a 10-year limited warranty, you can be rest-assured that your Serta mattress will always have your back. *Disclaimer - This product does not protect users against bacteria, viruses, germs, or other disease organisms.
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    Product Description

    Reach your Sheep Dreams with this 12” Gel memory foam mattress! Packed with three layers of foam, this mattress delivers optimized sleeping comfort. The 3 inch layer of premium gel-infused memory foam contours to the body for cradling comfort and allows airflow to help you stay cool and comfortable throughout the night. This medium-feel mattress provides best-in-class support with 2” of Serta Transitional Support Foam and 7” of Serta Foam Core. The best part? This mattress has an antimicrobial* cover that will keep your mattress fresh and clean. Serta has been trusted by sleepers for over 90 years, and with CertiPUR-US certified foams and a 10-year limited warranty, you can be rest-assured that your Serta mattress will always have your back. *Disclaimer - This product does not protect users against bacteria, viruses, germs, or other disease organisms.
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    Your price for this item is $749.99
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  6. Serta - Sleep to Go 12" Hybrid Medium Mattress in a Box -King - Light Blue - Front_Zoom
    Top comment

    "We’ve had the mattress for about a month now and so far it’s been very comfortable. "

    See all customer reviews

    Product Description

    Designed with cooling gel memory foam, this mattress seamlessly blends value and convenience with the durability and trusted comfort Serta is known for. This collection offers all-foam and hybrid designs with 3 zones for lower back support* and breathable fabric, so you wake up refreshed. Serta Mattress-in-a-Box collection delivers comfort at a value with convenient delivery—so you can rest easy night after night.*Available in select models only
    See all Mattresses
    Top comment

    "We’ve had the mattress for about a month now and so far it’s been very comfortable. "

    See all customer reviews

    Product Description

    Designed with cooling gel memory foam, this mattress seamlessly blends value and convenience with the durability and trusted comfort Serta is known for. This collection offers all-foam and hybrid designs with 3 zones for lower back support* and breathable fabric, so you wake up refreshed. Serta Mattress-in-a-Box collection delivers comfort at a value with convenient delivery—so you can rest easy night after night.*Available in select models only
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    Your price for this item is $699.00
    See all Mattresses
  7. Beautyrest - BeautySleep Slumber Time 12" Hybrid Medium Mattress in a Box -King - White - Front_Zoom

    Product Description

    The Beauty Sleep 12” Medium Hybrid Mattress In A Box features a quilted mattress surface, supportive coils, and additional*, quality foams for consistent, comfortable sleep. Each mattress offers Original Beautyrest Pocketed Coil Technology for lasting support, contouring AllCool Gel Memory Foam for pressure relief, and High-Density AirCool Foam for airflow. Our quality materials ensure each mattress is up to 25% more breathable*, helping you sleep comfortably each night. Durably assembled in the USA within trusted facilities, the Beauty Sleep 10” Medium Hybrid Mattress In A Box is offered at a value, and conveniently delivered to your door, so you can sleep well, consistently. *Compared to the same build with a zipper cover in the place of the quilt package. Warranty and Certification c
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    Product Description

    The Beauty Sleep 12” Medium Hybrid Mattress In A Box features a quilted mattress surface, supportive coils, and additional*, quality foams for consistent, comfortable sleep. Each mattress offers Original Beautyrest Pocketed Coil Technology for lasting support, contouring AllCool Gel Memory Foam for pressure relief, and High-Density AirCool Foam for airflow. Our quality materials ensure each mattress is up to 25% more breathable*, helping you sleep comfortably each night. Durably assembled in the USA within trusted facilities, the Beauty Sleep 10” Medium Hybrid Mattress In A Box is offered at a value, and conveniently delivered to your door, so you can sleep well, consistently. *Compared to the same build with a zipper cover in the place of the quilt package. Warranty and Certification c
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    Your price for this item is $699.00
    See all Mattresses
  8. Beautyrest - BeautySleep Slumber Time 10" Memory Foam Firm Mattress in a Box -King - White - Front_Zoom

    Product Description

    The Beauty Sleep 10” Firm Foam Mattress In A Box features a quilted mattress surface and an increased thickness* of quality foams for consistent, comfortable sleep. A layer of body-contouring AllCool Gel Memory Foam provides pressure relief while our durable, High-Density Foam Core provides long-lasting support. Plus, our High-Density AirCool Foam promotes airflow for a cool, comfortable sleep. Our quality materials ensure each mattress is up to 25% more breathable*, helping you sleep comfortably each night. Durably assembled in the USA within trusted facilities, offered at a value, and conveniently delivered to your door, the Beauty Sleep 10” Firm Foam Mattress In A Box is designed so you can sleep well, consistently. *Compared to the same build with a zipper cover in the place of the quilt package.
    See all Mattresses

    Product Description

    The Beauty Sleep 10” Firm Foam Mattress In A Box features a quilted mattress surface and an increased thickness* of quality foams for consistent, comfortable sleep. A layer of body-contouring AllCool Gel Memory Foam provides pressure relief while our durable, High-Density Foam Core provides long-lasting support. Plus, our High-Density AirCool Foam promotes airflow for a cool, comfortable sleep. Our quality materials ensure each mattress is up to 25% more breathable*, helping you sleep comfortably each night. Durably assembled in the USA within trusted facilities, offered at a value, and conveniently delivered to your door, the Beauty Sleep 10” Firm Foam Mattress In A Box is designed so you can sleep well, consistently. *Compared to the same build with a zipper cover in the place of the quilt package.
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    Your price for this item is $599.00
    See all Mattresses
  9. Beautyrest - BeautySleep Slumber Time 10" Hybrid Medium Firm Mattress in a Box -King - White - Front_Zoom

    Product Description

    The Beauty Sleep 10” Medium-Firm Hybrid Mattress In A Box features a quilted mattress surface, supportive coils, and quality foams for consistent, comfortable sleep. Each mattress offers Original Beautyrest Pocketed Coil Technology for lasting support, contouring AllCool Gel Memory Foam for pressure relief, and High-Density AirCool Foam for airflow. Our quality materials ensure each mattress is up to 25% more breathable*, helping you sleep comfortably each night. Durably assembled in the USA within trusted facilities, the Beauty Sleep 10” Medium-Firm Hybrid Mattress In A Box is offered at a value, and conveniently delivered to your door, so you can sleep well, consistently. *Compared to the same build with a zipper cover in the place of the quilt package.
    See all Mattresses

    Product Description

    The Beauty Sleep 10” Medium-Firm Hybrid Mattress In A Box features a quilted mattress surface, supportive coils, and quality foams for consistent, comfortable sleep. Each mattress offers Original Beautyrest Pocketed Coil Technology for lasting support, contouring AllCool Gel Memory Foam for pressure relief, and High-Density AirCool Foam for airflow. Our quality materials ensure each mattress is up to 25% more breathable*, helping you sleep comfortably each night. Durably assembled in the USA within trusted facilities, the Beauty Sleep 10” Medium-Firm Hybrid Mattress In A Box is offered at a value, and conveniently delivered to your door, so you can sleep well, consistently. *Compared to the same build with a zipper cover in the place of the quilt package.
    See all Mattresses
    Your price for this item is $599.00
    See all Mattresses
  10. Lucid Comfort Collection - 12-inch Medium-Plush Gel Memory Foam Mattress-King - White - Front_Zoom

    Product Description

    The Lucid Comfort Collection 12 Inch Gel Memory Foam Mattress offers the perfect balance of support and comfort. This memory foam mattress offers four layers of supportive and responsive foam. Ideal for side, stomach, or back sleepers, this medium-plush gel memory foam mattress offers the just-right level of comfort. The foam is infused with SureCool gel and designed with PureFlow ventilation to keep air flowing and maintain a comfortable sleeping temperature. Lucid Comfort Collection mattresses are designed to help you wake up rested and ready to take on the day., , SLEEP POSITIONS: A universal mattress, our medium feel is ideal for side, back, or stomach sleepers, MATTRESS COMPOSITION: 1.5" responsive foam, 2" gel memory foam, 2" support foam, 6.5" base foam, COOLER SLEEP: cooling gel is infused in the memory foam to help regulate your sleep temperature, BREATHABLE: ventilation channels improve airflow throughout the night for cooler sleep, PREMIUM SUPPORT: high-density foam foundation helps align your back, hips, and shoulders, MOISTURE WICKING: TENCEL Lyocell blend cover helps to wick away moisture for optimal comfort, HYPOALLERGENIC: All our memory foam is CertiPUR-US certified, 100% free from harmful chemicals, 10-YEAR WARRANTY: Our quality construction and materials are guaranteed with a 10-year warranty
    See all Mattresses

    Product Description

    The Lucid Comfort Collection 12 Inch Gel Memory Foam Mattress offers the perfect balance of support and comfort. This memory foam mattress offers four layers of supportive and responsive foam. Ideal for side, stomach, or back sleepers, this medium-plush gel memory foam mattress offers the just-right level of comfort. The foam is infused with SureCool gel and designed with PureFlow ventilation to keep air flowing and maintain a comfortable sleeping temperature. Lucid Comfort Collection mattresses are designed to help you wake up rested and ready to take on the day., , SLEEP POSITIONS: A universal mattress, our medium feel is ideal for side, back, or stomach sleepers, MATTRESS COMPOSITION: 1.5" responsive foam, 2" gel memory foam, 2" support foam, 6.5" base foam, COOLER SLEEP: cooling gel is infused in the memory foam to help regulate your sleep temperature, BREATHABLE: ventilation channels improve airflow throughout the night for cooler sleep, PREMIUM SUPPORT: high-density foam foundation helps align your back, hips, and shoulders, MOISTURE WICKING: TENCEL Lyocell blend cover helps to wick away moisture for optimal comfort, HYPOALLERGENIC: All our memory foam is CertiPUR-US certified, 100% free from harmful chemicals, 10-YEAR WARRANTY: Our quality construction and materials are guaranteed with a 10-year warranty
    See all Mattresses
    Your price for this item is $749.99
    See all Mattresses
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