Top 10 King Mattresses for Platform Beds in 2023 - Inn Mattress

When it comes to purchasing a new mattress, there are many factors to consider such as comfort, support, durability, and size. If you have a platform bed, choosing the right king-size mattress is crucial not only for your comfort but also for the aesthetics of your bedroom.

Top 10 King Mattresses for Platform Beds in 2021

In this article, we will review the top 10 king mattresses for platform beds in 2021 based on their quality, customer satisfaction rates, and overall performance. These mattresses have been carefully selected by our team of sleep experts at InnMattress to help you make an informed purchasing decision.

Best Overall: Saatva Classic Mattress

The Saatva Classic Mattress is one of the most popular mattresses on the market due to its luxurious feel and exceptional quality. This hybrid mattress features individually-wrapped coils that provide excellent support and motion isolation while still allowing for airflow to keep you cool throughout the night. The foam layers add cushioning without sacrificing responsiveness or bounce.

Additionally, this mattress has great edge support which means you can utilize every inch of space on your platform bed. The Saatva Classic Mattress also comes with free white glove delivery service that includes setup and removal of your old mattress.

Best Value: Nectar Memory Foam Mattress

If you’re looking for a high-quality memory foam mattress that won’t break the bank, then look no further than the Nectar Memory Foam Mattress. This all-foam mattress features multiple layers of foam designed to cradle your body’s pressure points while still providing ample support.

One standout feature of this Nectar Memory FoamMattress is its ability to regulate temperature through its cooling cover material which pulls away heat from your body during sleep. It also offers minimal motion transfer meaning if you share a bed with someone who moves frequently during sleep – you won’t be disturbed easily.

The company provides free shipping, returns, and a 365-night sleep trial.

Best Budget: Zinus Green Tea Memory Foam Mattress

The Zinus Green Tea Memory Foam Mattress is a steal for its quality and price. This mattress features layers of CertiPUR-US certified foam that conform to your body’s curves, providing comfort while maintaining proper alignment.

One unique feature in this eco-friendly mattress is that it’s infused with green tea extract which helps reduce odors and keep the bed fresh. For those who want an affordable option without sacrificing comfort and quality, the Zinus Green Tea mattress can be a good alternative.

Best Hybrid: Helix Midnight Luxe Mattress

For an optimal blend of support, comfort, cooling technology, and durability you might consider investing in a hybrid mattress like Helix Midnight Luxe. It has coils underneath as well as high-density memory foam on top to deliver exceptional support along with pressure relief.

What makes it stand out from other hybrids is its quilted pillow top cover made with Tencel fabric for temperature regulation that pulls moisture away from your body during sleep. Available in soft or firm options depending on what feels best on your platform bed!.

This hybrid comes with free shipping as well as a 100-night sleep trial period so you can try it risk-free.

Best Cooling Technology: Brooklyn Bedding Aurora Hybrid

If you tend to sleep hot at night or live in warmer climates where heat retention could cause discomfort The Brooklyn Bedding Aurora Hybrid can be worth considering! You get three different layers of gel-infused memory foams that are designed specifically for regulating temperatures – even if it means sleeping cool all year round!

Another added layer of copper-Infused foam helps prevent bacteria growth on the surface while also contributing extra cushioning comfort to any sleeper movement during sleeptime. Additionally, the individually wrapped coils provide sturdy support while keeping motion transfer low which means fewer interruptions due to partner movements throughout the night.

This hybrid mattress can be ordered online and comes with free shipping, 120-night sleep trial as well as an extra-long warranty of 15 years for a peace of mind.

Best Organic: Avocado Green Mattress

If you prefer an eco-friendly option that’s made entirely from natural materials like organic cotton, wool, latex the Avocado Green mattress is definitely worth considering. This organic mattress features supportive innersprings wrapped in layers of natural latex and wool to provide excellent pressure relief while maintaining proper alignment.

The wool layer provides temperature regulation by wicking away sweat during hot nights or winter chills. It also has optional pillow-top bedding attachments if you love a plush feel on your platform bed!

Free shipping is offered to customers in the US mainland including Hawaii and Alaska with the purchase along with a long sleep trial period of 1 year to decide whether it’s right for you or not!

Best Luxury: Tempur-Pedic ProBreeze Hybrid Mattress

For those who want all-out luxury feeling night after night, consider investing in Tempur-Pedic ProBreeze Hybrid. This high-end hybrid mattress features advanced cooling technology through its TEMPUR-CM+ comfort layer which delivers exceptional comfort while drawing away heat from your body throughout the night – likely making you forget about any outside temperatures at all!

The coils beneath are individually-wrapped providing sturdy support, resilience against wear-and-tear while also reducing motion transfer so significant amount partner disturbance won’t wake up you! Additionally, Its SmartClimate Dual Cover System works together to create an airflow system that pulls moisture away from your body concurrently delivering refreshing cool sensation through micro-ventilation technology on its topmost cover layer .

Despite its price point consumers can enjoy free white-glove delivery service with setup included as well as a lengthy 10-year warranty plus extended return policy within the first few months post-purchase!

Best Soft Mattress: Puffy Lux Mattress

The Puffy Lux Mattress may be a softer option if you prefer to sink into your mattress for a more plush, snuggly feel. It’s made with multiple layers of high-quality foam that work to provide optimal support while keeping you cool.

Not only does it offer premium comfort but also pressure relief, making it great for those who suffer from back or joint pain. Another advantage is the exceptional motion isolation, so any movements on one side won’t disturb sleepers on the other side of the bed!

Puffy offers free shipping and returns along with its 101-night trial period and lifetime warranty offering peace of mind as well.

Best Firm: WinkBed Plus

For those who adore firm mattresses or are heavy set The WinkBed Plus Mattress is designed for enough broader body sizes providing optimal support every night! Its coil system provides strong reinforcement against sagging over time since this won’t be an easy feat against large users.

This top-performing and responsive hybrid features individually-wrapped coils engineered specifically for sleepers who weigh up to 500 pounds while delivering sturdy edge-support thus increasing sleepable surface area so couples can stretch out comfortably together!

A subtle layer infused gel foam in its uppermost cushioning comfort layer helps dissipate excess heat ensuring cooler nights even during summer months too. It comes with free delivery service within US mainland including White Glove Service Option (at extra cost), supported by a lengthy 120- night sleep trial along with Lifetime Warranty backed by exceptional customer care service so there’s nothing to lose here except poor quality nights!

Best Latex: SleepEZ Roma Natural Latex Mattress

If you love latex-based mattresses then look no further than SleepEZ Roma Natural Latex mattress that boasts high durability-lifetime-years-longevity due to natural materials used in manufacturing process. This organic mattress has three different levels of firmness options depending on preference level.

Natural latex foam is great at delivering pressure relief on joints and actually contours to your body’s curves in its cushioning comfort layer. This Roma mattress enhances sleep quality by minimizing motion transfer from any restless partner movements for a more peaceful night’s sleep.

It also offers eco-friendly benefits with its organic cotton cover material that contributes towards creating a healthier sleeping environment by regulating temperature and wicking away moisture. A 90-night sleep trial comes along with this purchase plus exceptional customer care service to help guide you through making the most of your investment.


When it comes to finding the best king-size mattresses for platform beds in 2021, there are many options available, from top-tier luxury models to budget-friendly alternatives. We have reviewed some of the best options out there while keeping specific platform bed needs like edge-support, cooling properties or even added softness and firmness preferences in mind.

Remember to invest in quality bedding aids for optimal sleep experience such as pillows, sheets or even mattress protectors since they can make just as big an impact on overall comfort level during bedtime!


Can any of the mattresses on the list be used without a box spring?

Answer: Yes! All of the mattresses on our list can be used directly on a platform bed. In fact, many modern mattresses are designed to work well without a box spring, as long as they have a sturdy foundation.

What is the difference between memory foam and hybrid mattresses?

Answer: Memory foam mattresses contain layers of foam that contour to your body and provide pressure relief. Hybrid mattresses typically combine memory foam layers with other materials such as coils or latex for added support and durability.

How do I choose the right firmness level for my mattress?

Answer: The best firmness level for you depends on various factors such as your weight, sleeping position, and personal preferences. As a general rule, side sleepers may prefer softer mattresses while back and stomach sleepers may benefit from firmer options. It’s also important to consider any specific health concerns or conditions that may affect your comfort level during sleep. Many mattress companies offer free trials or return policies so you can try out different firmness levels before making a final decision.

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