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You spend 1/3 of your life in bed. Don’t you think you deserve the perfect mattress?

Our in-store technology combined with our Perfect Sleep Promise assures you of choosing the perfect mattress with 100% satisfaction.
  1. In-Store Technology. Visit any Mattress 1st showroom and get pressure-mapped! Our sleep specialists will guide you through an easy-to-use system to generate an image map showing your peak pressure areas in need of support and comfort. And with over 50 styles of mattresses in-store, you’re sure to find the right match.
  2. 120 Night Perfect Sleep Promise. It doesn’t end with choosing the perfect mattress for your unique needs. We’ll back it up with a 120-night trial to guarantee your total comfort and satisfaction. Click here for Montgomery’s Sleep Promise.
  3. 365 Night Sleep Promise. Want more? Use your mattress for an entire year and if you’re not satisfied, we’ll exchange it. Click here for Montgomery’s Sleep Promise.
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Support Report Customer Mattress 1st
why mattress 1st is different

We stock over 50 styles of mattresses so you’re sure to find your perfect sleep in any or our four showrooms.

We carry position customized pillows, remote-controlled adjustable bases, and an abundance of premium bedding.

Why guess when you can know? Whether you’re a side, back or stomach sleeper, the pressure mapping technology will give you the information you need to make the right selection.

Our sleep specialists are trained to answer all your questions and explain your options to make your buying decision easy and enjoyable.

Our Sleep Promise guarantees you’ll receive the rest and relaxation you deserve from your new mattress. Click here for Montgomery’s Sleep Promise.


Perfect Sleep Promise


120 Night Sleep Promise

On any mattress purchase over $999.

  • Purchase a qualifying Bedgear® mattress protector. Price varies by size.
  • Free local delivery of your mattress.
  • 120 night trial to test out your new mattress.

365 Night Sleep Promise

On any mattress purchase over $999.

Invest $399 and receive

  • $500 worth of free sleep product, including Bedgear® mattress protector.
  • Free local delivery of your mattress
  • 365 night trial to test out your new mattress
  • A second free local delivery if you exchange your mattress

Experience Customized Comfort

Use our Support Report, equipped with pressure mapping technology, to find your perfect comfort level. Finding the right mattress that conforms to your body and lifestyle can eliminate many common sleep problems.

  • Tossing and Turning
  • Lack of Support
  • Sleeping Too Hot or Too Cold
  • Partner Disturbance
  • Mattress Roll-Off & Sagging
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Mattress 1st - A Mattress Store Inside Montgomery's Furniture Stores

The Best Mattress Selection

We offer a vast selection of mattresses in Sioux Falls, Madison, Watertown, and Aberdeen. We are proud to carry top-of-the-line mattresses from Aireloom, Simmons Beautyrest, Serta, and Mattress 1st. All of our mattresses are designed to conform to your personal shape and release maximum comfort.

A store within in a store! Mattress 1st is conveniently located inside our Sioux Falls Furniture Store; you will also find Mattress 1st inside our Madison Furniture Store, Watertown Furniture Store, and Aberdeen Furniture Store!

10-Year Stain Warranty: For residential use only. In the event of a qualified claim, your Bedgear® mattress protector is supported by this warranty, which offers a full replacement for both the mattress protector and new mattress when purchased together on the same invoice. When properly cared for within ten years of the date of purchase, this warranty will be applied to the original owner of the mattress protector in the event of accidental permanent stain or damage from food or beverage or human or pet bodily fluids.

Sioux Falls Showroom

Meet The Sioux Falls Design Team

1725 W 41st St
Sioux Falls, SD 57105

WE'RE OPEN 9am – 7pm.

Madison Showroom

Meet The Madison Design Team

747 S Washington Ave
Madison, SD 57042

WE'RE OPEN 9am – 7pm.

Watertown Showroom

Meet The Watertown Design Team

1000 9th Ave SE
Watertown, SD 57201

WE'RE OPEN 9am – 7pm.

Aberdeen Showroom

Meet The Aberdeen Design Team

3502 7th Ave SE
Aberdeen, SD 57401

WE'RE OPEN 9am – 7pm.