King Koil Mattress
King Koil Mattress
LUXURY MEETS TECHNOLOGY™
Layers of innovative foams for pressure relieving and cooling comfort. Zoned, encased steel coils for strength and durable performance. Together, they harmoniously combine the best of their properties to provide you a consistent sleeping experience year after year.

King Koil mattresses are designed and built in the USA since 1898.

Satisfaction Guaranteed

Buying a new mattress is not something you do everyday. We offer a 120-night sleep trial and 100% money-back guarantee. Pick out a different mattress, or if you can’t find one you like, you’ll get all your money back.

Free Local Delivery

Enjoy convenient, trackable delivery, white glove set-up, and haul-away of your old mattress. Visit one of our Connecticut locations to find out more about our mattresses!

Is a King Koil Mattress

Best for You?

Portland Firm Mattress

Twin $851 SALE $671
Twin XL $923 SALE $743
Full $989 SALE $800
Queen $ 1056 SALE $886
King $1461 SALE $1,271
Cal King $1461 SALE $1,271

Stonington Firm Mattress

Twin $923 SALE $743
Twin XL $1001 SALE $814
Full $1051 SALE $871
Queen $1137 SALE $957
King $1523 SALE $1,343
Cal King $1523 SALE $1,343

Stonington Euro Mattress

Twin $1037 SALE $857
Twin XL $1129 SALE $929
Full $1166 SALE $986
Queen $1251 SALE $1,071
King $1647 SALE $1,457
Cal King $1647 SALE $1,457

Mystic Cushion Firm Mattress

Twin $1209 SALE $1,029
Twin XL $1278 SALE $1,100
Full $1337 SALE $1,157
Queen $1423 SALE $1,243
King $1809 SALE $1,629
Cal King $1809 SALE $1,629

Mystic Plush Mattress

Twin $1209 SALE $1,029
Twin XL $1279 SALE $1,100
Full $1337 SALE $1,157
Queen $1423 SALE $1,243
King $1809 SALE $1,629
Cal King $1809 SALE $1,629

Mystic Pillow Top Mattress

Twin $1323 SALE $1,143
Twin XL $1394 SALE $1,214
Full $1451 SALE $1,271
Queen $1537 SALE $1,357
King $1923 SALE $1,743
Cal King $1923 SALE$1,743

Essex Cushion Firm Mattress

Twin $1537 SALE $1,357
Twin XL $1609 SALE $1,429
Full $1667 SALE $1,486
Queen $1851 SALE $1,571
King $2247 SALE $1,957
Cal King $2247 SALE $1,957

Essex Pillow Top Mattress

Twin $1689 SALE $1,500 
Twin XL $1771 SALE $1,591
Full $1899 SALE $1,699
Queen $2149 SALE $1,899
King $2550 SALE $2,300
Cal King $2550 SALE $2,300

Tolland Cushion Firm Mattress

Twin $399 SALE $289
Full $499 SALE $369
Queen $639 SALE $399
King $779 SALE $559

Canton Euro Mattress

Twin $599 SALE $474
Full $729 SALE $592
Queen $899 SALE $647
King $1039 SALE $858

STOP IN TODAY — SLEEP BETTER TONIGHT!

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