The 7 Best King Mattresses to Buy in 2018

The best fit for your particular needs

Sleep Master Ultima Comfort Memory Foam
Courtesy of Amazon.

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A good night of sleep is the ultimate form of restoration and rejuvenation. If you’re looking for a king mattress that will give you plenty of room and restful shut-eye, then look no further than these top picks.

Everyone sleeps, but not in the same way. As a result, shoppers have different needs when it comes to choosing a king-size mattress. There are coiled spring mattresses for those who like a traditional feel and ‘bounce’ to their mattress. Foam mattresses provide a contour cushion that relieves pressure points and creates a supportive sleeping surface. Hybrid mattresses combine the best of both.

Choosing what type of king mattress to purchase and how much to spend is no small task, since mattress manufacturers have created an abundance of options. However, these seven king mattresses represent a tremendous value in each of their categories. With one of these sleep solutions, you’ll experience sweet dreams all night long.


  • 01 of 07

    Best Overall: Tuft & Needle Mattress, King Mattress

    Our choice for the best overall King mattress is the adaptive foam mattress from Tuft & Needle. This foam mattress rules over all others thanks to its unique composition and made-in-the-US status. Of course, users also find it to be incredibly comfortable.

    Tuft & Needle engineered a proprietary foam for use in mattresses that would provide the right amount of ‘give’ without being too soft. Many users report it as being firm, but not rock-like. And if you are concerned about the heat retention factor often associated with standard memory foam mattresses, the King mattress from Tuft & Needle has gel and graphite infused into the foam to help you sleep cooler.

    When you purchase the Tuft & Needle King Mattress, you’ll also have the peace of mind that a 10-year warranty offers. Unlike some other customer experiences, Tuft & Needle has proven to be very responsive to its customers. This mattress earns extra marks for being manufactured in the United States, while maintaining a competitive, middle-of-the-road price point.

  • 02 of 07

    Best Budget: Zinus Sleep Master Ultima Comfort Memory Foam 8 Inch Mattress

    Getting a comfortable night of sleep doesn’t have to break the bank. For a king mattress on a budget, look to the Zinus Sleep Master Ultima Comfort eight Inch Memory Foam Mattress.

    For a memory foam mattress, the Zinus is widely praised with thousands of happy purchasers – even after months or years of use. While a few people note the initial odor of this mattress when unboxing it, it seems to dissipate in a short amount of time. For lifetime odor control, Zinus uses BioFoam – a memory foam which replaces some of the petroleum-based oil with botantical-based oil.

    Choose the Zinus if you are looking for some solid shut-eye on a budget. You’ll be joining thousands of happy budget king mattress shoppers that sleep soundly each night.

  • 03 of 07

    Best Coil: Signature Sleep Contour 8 Inch Independently Encased Coil Mattress

    If you’re looking for a coiled spring king mattress, then choose Signature Sleep’s Contour 8-inch Coil Mattress. This mattress made our list thanks to its solid construction, independently encased coils and reversibility.

    Coil mattresses can sometimes easily transfer movement from one side of the bed to the other. To solve this problem, mattress makers like Signature Sleep offer independently encased coils. This 8-inch king mattress from Signature Sleep has 7" high-performance coils for durability topped with a 1.6" layer of high-density foam for comfort.

    This medium firmness mattress is reversible, which is a nice feature if you plan on keeping it for a length of time. Feel free to flip, rotate, and turn the mattress in any direction. Not all mattresses have the same layer construction on both sides, but this king mattress does. Rotating your mattress is known to extend its longevity, adding to the value of this coil king mattress.

  • 04 of 07

    Best to Keep You Cool: Arctic Dreams 12-Inch Cooling Gel Mattress

    If you’re dreaming of a cool night’s sleep, but want the comfort and pressure-relieving qualities of memory foam, pick the Arctic Dreams 12" Cooling Gel King Mattress.

    Memory foam has a reputation for being a heat trap, but this mattress from Arctic Dreams has made a name for itself in being cool. It features a unique viscoelastic foam known as Energex, which has a more open polymer structure than many typical forms of memory foam, and is infused with gel. Users migrating from a typical memory foam mattress agree that this mattress does provide a cooler night of sleep than many standard foam mattresses. It seems to be on the firm side, but offers significant support and eliminates pressure points.

    Another plus for this mattress is the fact that it’s made in the United States and is CertiPUR-certified, meaning that it’s free from harmful chemicals and is low-VOC.

    Continue to 5 of 7 below.
  • 05 of 07

    Best for Medium Firmness: Serta 14-inch Gel-Memory Foam Mattress

    If you’re like Goldilocks in search of a bed that is not too hard and not too soft, then a medium firmness mattress like this Serta 14" Gel Memory Foam King Mattress may be the perfect in-between.

    Serta answers the call for a bed that provides support throughout the night without causing you to feel like you’re sleeping on a board. This king mattress is constructed on four layers of memory foam. The top one-inch layer is comprised of Serta’s memory foam injected with unique gel beads that give support and assist in regulating temperature. Underneath that you’ll find a two-inch layer of open cell memory foam, then a three-inch layer of ActivAir foam, followed by eight inches of base support foam. The end result? A mattress that users have labeled as ‘seriously comfortable.’

    If you want a bed that is not too soft or firm, choose the Serta 14" Gel Memory Foam King Mattress and experience a great night’s sleep backed by a 20 year warranty and the reputation of one the leading mattress manufacturers.

  • 06 of 07

    Best Hybrid: Olee Sleep 10-Inch Gel Infused Innerspring Mattress

    If you can’t decide between a traditional coil mattress and a foam mattress, then pick the Olee Sleep 10-inch Gel Infused Innerspring King Mattress for the best of both worlds.

    This king mattress has 7.5" duraspring coils that provide spine support. Each spring sits in its own pocket to minimize the transfer of movement. Providing cushion atop the springs of this mattress is 3" of foam for comfort, including a top one-inch layer of gel memory foam. Overall, this is a medium firm mattress according to the manufacturer. Many users find it to be supportive, without being overly hard.

  • 07 of 07

    Best High-End: TEMPUR‐Cloud Prima Medium-Soft Mattress

    If you’re looking for a top-notch sleep experience and want pillow softness with comfortable support, look to the Tempur-Cloud Prima Medium-Soft King Mattress. Made by foam mattress leader TempurPEDIC, this king mattress will give you the support and comfort that the brand is known for.

    The Tempur-Cloud King Mattress is a great choice for individuals that find typical memory foam mattresses to be too firm. Instead, the Tempur-Cloud line of TempurPEDIC mattresses provides cushion in the form of additional proprietary comfort foam on top of the mattress, while still delivering a supportive core that is known to last for years of use.

    Many users find that this bed relieves them of backaches and other joint pain. It also does a great job of minimizing the transfer of movement. Together, it provides a night of sleep that is restorative and restful. While TempurPEDIC king mattresses are at the upper-end of the price range, many who have slept on one say they’ll never go back. If a luxury King mattress is what you’re after, the Tempur-Cloud Prima may be the perfect solution.