King Size Mattresses

2,487 Results

Elite Hybrid
Elite Hybrid
Elite Hybrid
Elite Hybrid
Elite Hybrid
Elite Hybrid
Elite Hybrid
BEAR Logo

Bear Mattress

$2,548.00$3,920.00
Location unknown
M3 Performance® Mattress
M3 Performance® Mattress
M3 Performance® Mattress
M3 Performance® Mattress
BED Logo

Bedgear

$4,198.00
Location unknown
Avocado Green Mattress
Avocado Green Mattress
Avocado Green Mattress
Avocado Green Mattress
Avocado Green Mattress
Avocado Green Mattress
Avocado Green Mattress
Avocado Green Mattress
Avocado Green Mattress
Avocado Green Mattress
Avocado Green Mattress
Avocado Green Mattress
Avocado Green Mattress
Avocado Green Mattress
Avocado Green Mattress
Avocado Green Mattress
Avocado Green Mattress
Avocado Green Mattress
Avocado Green Mattress
Avocado Green Mattress
Avocado Green Mattress
Avocado Green Mattress
Avocado Green Mattress
Avocado Green Mattress
Avocado Green Mattress
Avocado Green Mattress
Avocado Green Mattress
AVO Logo

Avocado Green Mattress

$2,294.00$2,699.00
Location unknown
H Performance® Mattress
H Performance® Mattress
H Performance® Mattress
H Performance® Mattress
BED Logo

Bedgear

$2,499.00
Location unknown
Eco Organic Mattress
Eco Organic Mattress
Eco Organic Mattress
Eco Organic Mattress
Eco Organic Mattress
Eco Organic Mattress
Eco Organic Mattress
AVO Logo

Avocado Green Mattress

$1,529.00$1,699.00
Location unknown
Bear Natural
Bear Natural
Bear Natural
Bear Natural
Bear Natural
Bear Natural
BEAR Logo

Bear Mattress

$2,548.00$3,920.00
Location unknown
Luxury Organic Mattress
Luxury Organic Mattress
Luxury Organic Mattress
Luxury Organic Mattress
Luxury Organic Mattress
Luxury Organic Mattress
Luxury Organic Mattress
Luxury Organic Mattress
Luxury Organic Mattress
Luxury Organic Mattress
Luxury Organic Mattress
Luxury Organic Mattress
Luxury Organic Mattress
Luxury Organic Mattress
Luxury Organic Mattress
Luxury Organic Mattress
Luxury Organic Mattress
Luxury Organic Mattress
Luxury Organic Mattress
Luxury Organic Mattress
Luxury Organic Mattress
Luxury Organic Mattress
Luxury Organic Mattress
Luxury Organic Mattress
Luxury Organic Mattress
Luxury Organic Mattress
Luxury Organic Mattress
AVO Logo

Avocado Green Mattress

$5,999.00$7,499.00
Location unknown
Bear Original
Bear Original
Bear Original
Bear Original
Bear Original
Bear Original
BEAR Logo

Bear Mattress

$847.60$1,304.00
Location unknown
Star Hybrid
Star Hybrid
Star Hybrid
Star Hybrid
Star Hybrid
Star Hybrid
Star Hybrid
BEAR Logo

Bear Mattress

$1,493.70$2,298.00
Location unknown
Avocado Vegan Mattress
Avocado Vegan Mattress
Avocado Vegan Mattress
Avocado Vegan Mattress
Avocado Vegan Mattress
Avocado Vegan Mattress
Avocado Vegan Mattress
AVO Logo

Avocado Green Mattress

$3,144.00$3,699.00
Location unknown
Pro Hybrid
Pro Hybrid
Pro Hybrid
Pro Hybrid
Pro Hybrid
Pro Hybrid
Pro Hybrid
BEAR Logo

Bear Mattress

$1,752.40$2,696.00
Location unknown
Avocado Latex Mattress
Avocado Latex Mattress
Avocado Latex Mattress
Avocado Latex Mattress
Avocado Latex Mattress
Avocado Latex Mattress
Avocado Latex Mattress
AVO Logo

Avocado Green Mattress

$3,869.00$4,299.00
Location unknown
10" Memory Foam King Mattress
10" Memory Foam King Mattress
MRS Logo

Morris Home

$699.99$879.99
Location unknown
Black Medium Split King Mattress
CRD Logo

Cardi's Furniture & Mattresses

$3,698.00
Location unknown
Hudson Park Collection Maxwell Firm King Mattress - Exclusive
Hudson Park Collection Maxwell Firm King Mattress - Exclusive
BLMD Logo

Bloomingdale's

Serta Perfect Sleeper X Lexton Medium Pillow Top Mattress
Serta Perfect Sleeper X Lexton Medium Pillow Top Mattress
Serta Perfect Sleeper X Lexton Medium Pillow Top Mattress
Serta Perfect Sleeper X Lexton Medium Pillow Top Mattress
Serta Perfect Sleeper X Lexton Medium Pillow Top Mattress
RF Logo

Raymour & Flanigan

Restore Soft King Mattress
Restore Soft King Mattress
Restore Soft King Mattress
Restore Soft King Mattress
GAB Logo

Gabberts

$2,999.00
Location unknown
Beautyrest Black Series Three Medium Split King Mattress Set, Low Profile
Beautyrest Black Series Three Medium Split King Mattress Set, Low Profile
BLMD Logo

Bloomingdale's

King Koil Stockbridge Plush Mattress - Memory Foam - King
King Koil Stockbridge Plush Mattress - Memory Foam - King
CTM Logo

City Mattress

Ashley® Chime 12 Inch Hybrid King Bed in a Box
Ashley® Chime 12 Inch Hybrid King Bed in a Box
Ashley® Chime 12 Inch Hybrid King Bed in a Box
Ashley® Chime 12 Inch Hybrid King Bed in a Box
GW Logo

Gardner White

Smartlife Lily Wireless King Mattress
Smartlife Lily Wireless King Mattress
Smartlife Lily Wireless King Mattress
Smartlife Lily Wireless King Mattress
GAB Logo

Gabberts

$3,797.00$6,299.00
Location unknown
Millennium Cushion Firm Gel Memory Foam Hybrid King Mattress
MRS Logo

Morris Home

Perfect Sleeper Euphoric Nights Firm King Mattress
CRD Logo

Cardi's Furniture & Mattresses

Beautyrest Select Eminence King Mattress
Beautyrest Select Eminence King Mattress
Beautyrest Select Eminence King Mattress
RTG Logo

Rooms To Go

Ashley Sleep Essentials 10 Inch Medium Hybrid Mattress
Ashley Sleep Essentials 10 Inch Medium Hybrid Mattress
Ashley Sleep Essentials 10 Inch Medium Hybrid Mattress
Ashley Sleep Essentials 10 Inch Medium Hybrid Mattress
Ashley Sleep Essentials 10 Inch Medium Hybrid Mattress
RF Logo

Raymour & Flanigan

Page 1 of 52
King Size Mattresses


Your sleeping surface must provide the comfort and support needed to get the hours of sleep you need. Still, with so many types of beds and mattresses, it can be a difficult decision to choose one. It would be best if you made an informed decision about what bed to choose based on your room, specifically the free space for the bed and the features you need your mattress to have.


King mattresses are ideal for master bedrooms, as they offer plenty of space. Our retailers provide various king bed frames and headboards, or if you already have the base, look through the collection of king size mattresses to find the type and firmness level you prefer.


How big are king size mattresses?


Standard king bed mattresses are one of the widest mattresses available, measuring at a whopping 76″ in width, whereas in length, you have typically have 80″. The mattress typically provides enough room for two adults to stretch out in luxurious comfort, with the space to occasionally have their pet or child sleep in the bed too.


If you are over six feet tall, you might want to consider the California King mattress that has 4″ less in width but more in length than the standard version. So, such a mattress measuring 72″ wide and 86″ long will need a bed frame that is slightly longer. In some cases, because of the frame's construction, a king size bed might also require a so-called split king mattress which is essentially two twin mattresses pushed together.


King mattresses types


The four most common king size mattress types are innerspring, foam, hybrid, and air mattresses. Each type suits different sleepers as they seek a particular feature from bouncy surface to contouring properties and huggy feel.


Innerspring mattresses are constructed from a layer of steel coils surrounded by fiber padding, typically wool, cotton, or foam. The coil's number, thickness, and placement can affect the feel of the mattress. On the contrary, foam mattresses typically made of polyurethane foam, including latex and memory foam, provide a highly cushioned experience. King size memory foam mattresses, in particular, are "curve-forming" as they soften with body heat and pressure, thus, being ideal for all sleeping positions.


Suppose you want something in the middle of the two previously mentioned types. In that case, a hybrid mattress combines features from a foam mattress and box spring types as it typically contains a coil support system but with a significantly thicker comfort layer. Whereas, if you want something completely different, try a king air mattress made from an inflatable layer topped with foam.


F.A.Q.

Is a King bed smaller than a California King?

A King bed is 76 inches wide by 80 inches long, while a California King bed is 72 inches wide by 84 inches long. 


This means the King bed yields a wider sleeping area, while the California King bed offers additional length. Although the California King bed is not smaller in square footage, its narrower width and increased length cater to specific spatial and comfort needs. This makes it an excellent choice for taller individuals or for rooms that are longer than they are wide. 

How does a King-size bed compare to a queen-size bed in terms of space and comfort?

A standard king-size bed measures 76 inches wide by 80 inches long, offering luxurious space that comfortably accommodates more than one individual. Its generous dimensions make it a premier choice for those seeking a roomy, restful night's sleep


On the other hand, a queen-size bed at 60 inches wide by 80 inches long provides a cozy sleeping area for couples or ample room for individuals who prefer extra room to stretch out. The choice between the two sizes should reflect your sleeping style and bedroom size.

What are the exact dimensions of a king-size bed?

A king-size bed is 76 inches wide and 80 inches long, which is perfect if you're looking for extra space to stretch out without bumping into your partner all night. It's great for bigger bedrooms and offers plenty of room for you, your pillows, your kids, and the family pet. 


A good rule of thumb is to make sure your room is at least 12 by 12 feet to fit the bed comfortably, along with your other bedroom furniture

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