King Size Mattresses
Stretch out and sleep in total comfort with our King Size Mattresses at Ortho Mattress. Measuring 76 inches wide by 80 inches long, a king mattress offers plenty of room for couples or anyone who enjoys extra space while sleeping. Designed for pressure relief and proper back support, our king size mattress for sale options range from firm to plush, giving you the comfort and quality you deserve
$300 OFF
NEW!
Black Series One Medium
Medium
Innerspring
Adjustable Compatible
Firm
Soft
Starting at
$1,549.00
$1,849.00
$300 OFF
NEW!
Black Series One Extra Firm
Extra Firm
Innerspring
Adjustable Compatible
Firm
Soft
Starting at
$1,249.00
$1,549.00
60% OFF
FLOOR MODEL SALE!
Floor Model Black L-Class Plush Pillow Top
Luxury Plush
Innerspring
Adjustable Compatible
Firm
Soft
Starting at
$1,299.99
$3,299.99
PRICE DROP!
Regency II Pillow Top
Medium
Innerspring
Adjustable Compatible
Firm
Soft
Starting at
$1,099.99
PRICE DROP!
Regency II Luxury Firm
Luxury Firm
Innerspring
Adjustable Compatible
Firm
Soft
Starting at
$1,099.99
PRICE DROP!
Regency II Firm
Extra Firm
Innerspring
Adjustable Compatible
Firm
Soft
Starting at
$1,099.99
$799 OFF
ORTHOPLEX® TECHNOLOGY
Astro Soft
Luxury Plush
Memory Foam
Adjustable Compatible
Firm
Soft
Starting at
$2,769.99
$3,569.98
$799 OFF
ORTHOPLEX® TECHNOLOGY
Astro Medium
Medium
Memory Foam
Adjustable Compatible
Firm
Soft
Starting at
$2,769.99
$3,569.98
56% OFF
FLOOR MODEL SALE!
Black Hybrid CX-Class Plush
Luxury Plush
Hybrid
Adjustable Compatible
Firm
Soft
Starting at
$1,699.99
$3,899.99
58% OFF
FLOOR MODEL SALE!
Black Hybrid CX-Class Medium
Medium
Hybrid
Adjustable Compatible
Firm
Soft
Starting at
$1,499.99
$3,599.99
FAQs About King Size Mattresses
What is a king mattress?
A king mattress measures 76 inches wide and 80 inches long, offering ample space for two people to sleep comfortably with plenty of room to stretch out.
Is a King mattress better than a Queen?
A King mattress is wider than a Queen, giving more personal space. It’s a better choice if you share your bed or just like more room.
Can two people sleep comfortably on a King mattress?
Yes, a King mattress is perfect for two people. It offers plenty of space for both to stretch out and sleep without bumping into each other.
What is the difference between King and California King?
A King is wider (76" x 80") while a California King is longer and narrower (72" x 84"). Choose based on whether you want more width or more legroom.
Is a king size mattress suitable for couples?
Yes, a king size mattress is ideal for couples, providing extra space for both individuals to sleep comfortably without feeling cramped.