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Updated April 2024

Best King Mattresses 2024

Below you can find the top 10 best king mattresses today ranked by order

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Top 10 Detailed Comparison

Editor's Choice
Product Details
Sizes Twin, Twin XL, Full, Queen, King, Cal King
Materials Hybrid memory foam with innerspring coils
Firmness Luxury Medium-Firm
Shipping Free delivery & returns
Trial Period 365 nights risk free trial
Warranty Everlong Warranty (lifetime)
Financing As low as 0% APR with Affirm
9.9
Check Price Visit Site
Spring Sale! 50% OFF Mattresses
Biggest Offer
Product Details
Sizes Twin, Twin XL, Full, Queen, King, Cal King
Materials Gel infused memory foam with cooling cover
Firmness Medium
Shipping Free delivery & returns
Trial Period 365 night risk free trial
Warranty Nectar Forever Warranty
Financing As low as 0% APR with Affirm
9.7
Check Price Visit Site
Spring Sale! Up to 40% OFF
Product Details
Sizes Twin, Twin XL, Full, Queen, King, Cal King
Materials Hybrid with coils or all-foam
Firmness Soft, medium, firm and luxe
Shipping Free delivery & returns
Trial Period 100 nights risk free trial
Warranty Up to 15 years warranty
Financing Klarna
9.5
Check Price Visit Site
March Madness Sale! 20% OFF + 2 FREE Pillows
Product Details
Sizes Twin, Twin XL, Full, Queen, King, Cal King
Materials Hybrid and all-foam options
Firmness Medium
Shipping Free delivery & returns
Trial Period 100 nights risk free trial
Warranty 10-year warranty
Financing Affirm & Afterpay
9.3
Check Price Visit Site
35% Off + 2 FREE Pillows & Sheets
Product Details
Sizes Twin, Twin XL, Full, Queen, King, Cal King
Materials Memory foam and pocketed coils
Firmness Medium-firm
Shipping Free delivery & returns
Trial Period 365 nights risk free trial
Warranty Nectar Forever Warranty
Financing As low as 0% APR with Affirm
9.3
Check Price Visit Site
Spring Sale! Up to 40% OFF Mattresses
Product Details
Sizes Twin, Twin XL, Full, Queen, King, Cal King
Materials Copper infused foam, encased coils and cool foam
Firmness Soft, medium and firm
Shipping Free delivery & returns
Trial Period 120 nights risk free trial
Warranty 10-year warranty
Financing As low as 0% APR with Affirm
9.2
Check Price Visit Site
Sale: 25% OFF Everything
Product Details
Sizes Twin, Twin XL, Full, Queen, King, Cal King
Materials Graphite infused foam & support coils
Firmness Plush, luxury firm and firm
Shipping Free delivery & returns
Trial Period 120 nights risk free trial
Warranty Lifetime warranty
Financing as
9.1
Check Price Visit Site
Sale! Up to $1000 OFF + Free Gifts
Product Details
Sizes Twin, Twin XL, Full, Queen, King, Cal King
Materials Polyfoam & premium memory foam
Firmness Medium-firm
Shipping Free delivery & returns
Trial Period 180 nights risk free trial
Warranty 10-year warranty
Financing Affirm & Afterpay
9.1
Check Price Visit Site
President's Day Sale! 50% OFF All Mattresses
Product Details
Sizes Twin, Twin XL, Full, Queen, King, Cal King
Materials Copper infused memory foam and hybrid with coils
Firmness Hard and soft in one
Shipping Free delivery & returns
Trial Period 120 nights risk free trial
Warranty Lifetime warranty
Financing As low as 0% APR with Affirm
8.9
Check Price Visit Site
Sale! $200 OFF + Free Pillows

Best King Size Mattress 2024 - Buying Guide

You probably already know that a king size mattress rocks in providing maximum personal sleeping surface. With a size of 76 inches in width and 80 inches in length, the best king size mattress offers that extra space that you need whether you sleep solo, as a couple, or with a child or pet. Before perusing the different options in our list of the best king size mattresses to buy, we’ve prepared a few pointers that might help you land on the perfect bed for your needs.

Essential Things to Consider When Shopping for a King Size Mattress

Material

You’ll find up to 5 types of king size beds in terms of construction material;

i) Memory foam- this material molds to your natural body shape by responding to your weight and body temperature. It’s a good pick for people suffering from back and joint pains as it’s perfect for relieving pressure.

ii) Cooling gel memory foam- these mattresses deliver all the benefits of traditional memory foam without sleeping hot.

iii) Latex- this is a highly breathable material that does not heat up at night. It’s naturally hypoallergenic too, so it’s a perfect choice for asthmatic patients and those with allergies.

iv) Open springs: also known as open coil mattresses, these are a go-to option when you’re looking for value. Note that they are less durable than mattress other types and will need to be replaced soon. That’s why they are most suited for kids’ bedrooms and guest beds.

v) Pocketed springs: these are a more luxurious version of the open springs. They feature small springs, each held in a separate fabric pocket for more comfort and support. The design of these mattresses prevents you from rolling towards your partner.

Choice of firmness

Your ideal firmness level will, to a large extent, depend on your weight and most preferred sleeping position. Soft mattresses are best suited for lightweight and side sleepers, while firm mattresses work best for heavy, stomach sleepers. It’s recommendable to err on the side of medium-firm mattresses if you change position regularly while sleeping.

Warranty

Whether you’re buying a king size mattress online or from a brick-and-mortar store, a warranty offers peace of mind that your purchase is free from flaws and defects. It’s an assurance that the mattress will function as expected. Please read the warranty keenly for a clear understanding of what it covers and what it doesn’t.

About Us

Best-Mattresses.me is a mattress review and comparison website that exists for years. We use mattress & sleep experts to review and compare leading mattress brands. 

Our reviews cover all aspects of a mattress from construction and the quality of the materials to warranty and return policy. Online mattresses offer a wide range of options these days, we are here to help you make the best choice.