Friends & Family BIGGEST SALE YET

(In-store offer only)

The Perfect Fit

Using heat mapping technology we can pin point your pressure points and find the right mattress for you. 

Eliminate Five Common Sleep Problems with IComfort by Serta

  • Tossing and Turning
  •  Lack of Support
  • Sleeping Too Hot or Too Cold
  • Partner Disturbance
  • Mattress Roll-Off & Staging



Mattress 1st Stores in Sioux Falls, Watertown, & Madison. Montgomery's offers top quality mattresses, adjustable bases, frames, pillows and more. Shop by California king, king, queen, full, twin. Shop extra firm, firm, plush, soft and more. Mattress sales and savings are always at every location to ensure you save on better sleep. Mattress 1st specialists are your leaders in sleep health and comfort. We hold mattresses from top quality vendors, Serta, Malouf, Aireloom, Tempur-Pedic.

$40 Off your First Purchase!

Join our exclusive VIP offer list below

Check your email for your coupon code, if you do not see it check your junk folder. Happy Designing!