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The Mattress Underground

quality manufacturers ~ knowledgeable retailers ~ educated consumers

The Mattress Underground Membership List

(In alphabetical order)

NOTE: All discounts and bonuses are on regular "mattress only" purchases and in most cases can't be "stacked" with other promotions or sale prices that already have a larger discount or with special promotional pricing on some mattresses.

Addable

  • HQ Location: Acton, MA
  • Category: Mfr. Direct: Mattresses
  • Country: United States
  • Type: Local/Regional , Online
  • Discount: 5% Off Mattress (Code: UNDERGROUND)
  • Arizona Premium Mattress Company

  • HQ Location: Phoenix, AZ
  • Category: Mfr. Direct: Mattresses / Foundations / Adjustable Beds / Accessories
  • Country: Canada, United States
  • Type: Local/Regional , Online
  • Discount: 5% Off Mattress (Code: MU5)
  • Bay Bed & Mattress

  • HQ Location: Santa Cruz, CA
  • Country: United States
  • Type: Local/Regional , Online
  • Discount: 5% Off Mattress
  • Bedmasters

  • HQ Location: Port Charlotte, FL
  • Country: United States
  • Type: Local/Regional
  • Discount: 5% Off Mattress (Code: MU5)
  • Beloit Mattress Company

  • HQ Location: Beloit, WI
  • Country: United States
  • Type: Local/Regional
  • Discount: 5% Off Mattress
  • Brooklyn Bedding

  • HQ Location: Phoenix, AZ
  • Category: Mfr. Direct: Mattresses / Foundations / Accessories
  • Country: Canada, United States
  • Type: Local/Regional , Online
  • Discount: 5% Off Mattress (Code: underground)
  • Buis Mattress

  • HQ Location: Holland, MI
  • Country: United States
  • Type: Local/Regional
  • Discount: 5% Off Mattress
  • Comfort Sleep Systems

  • HQ Location: Branford, CT
  • Country: United States
  • Type: Local/Regional
  • Discount: Bedding Bonus
  • CozyPure

  • HQ Location: Norfolk, VA
  • Country: United States
  • Type: Local/Regional , Online
  • Discount: 5% Off Mattress
  • Dixie Foam Beds

  • HQ Location: New York, NY
  • Country: United States
  • Type: Local/Regional
  • Discount: 5% Off Mattress
  • Dormio Organic Beds

  • HQ Location: Mississauga/Oakville, Toronto, Woodbridge, ON
  • Country: Canada
  • Type: Local/Regional , Online
  • Discount: 5% Off Mattress
  • Dreamfoam Bedding

  • HQ Location: Phoenix, AZ
  • Country: United States
  • Type: Local/Regional , Online
  • Discount: Pillow Bonus (Dreamfoam fulfilled only)
  • Escondido Mattress

  • HQ Location: Escondido, CA
  • Country: United States
  • Type: Local/Regional
  • Discount: Pillow Bonus (mattress over $500 only)
  • Flexus Comfort Mattress Company

  • HQ Location: Covina, CA
  • Country: United States
  • Type: Local/Regional , Online
  • Discount: 5% Off Mattress
  • FloBeds

  • HQ Location: Fort Bragg, CA
  • Country: United States
  • Type: Local/Regional , Online
  • Discount: 5% Off Mattress
  • FoamSweetFoam

  • HQ Location: Fullerton, CA
  • Country: United States
  • Type: Local/Regional , Online
  • Discount: 6% Off Mattress (Code: MU6)
  • Fox Mattress

  • HQ Location: Volusia County, FL
  • Country: United States
  • Type: Local/Regional
  • Discount: 5% Off Mattress
  • Gardner Mattress

  • HQ Location: Salem, Woburn, Newton, MA
  • Country: United States
  • Type: Local/Regional
  • Discount: 5% Off Mattress
  • Halstead Sofa and Mattress Makers

  • HQ Location: Calgary, AB
  • Country: Canada
  • Type: Local/Regional , Online
  • Discount: 5% Off Mattress
  • Kiss Mattress by SleepEZ

  • HQ Location: Tempe, AZ
  • Country: United States
  • Type: Local/Regional , Online
  • Discount: Pillow Bonus
  • Latex Mattress Factory

  • HQ Location: Tempe, AZ
  • Category: Mfr. Direct: Mattresses / Foundations / Toppers / Accessories
  • Country: United States
  • Type: Local/Regional , Online
  • Discount: 5% Off Mattress
  • Luma Sleep

  • HQ Location: Apollo Beach, FL
  • Category: Retailer: Mattress / Foundations / Toppers / Pillows
  • Country: United States
  • Type: Online only
  • Discount: 10% or more off Mattress (Code: TMU10)
  • Magic Sleeper

  • HQ Location: Pottstown, PA
  • Country: United States
  • Type: Local/Regional
  • Discount: 5% Off Mattress
  • Mattress To Go

  • HQ Location: Shelby Township, MI
  • Category: Retailer: Mattresses / Adjustable Beds / Accessories
  • Country: United States
  • Type: Local/Regional , Online
  • Discount: 5% Off Mattress
  • Mattressmakers

  • HQ Location: San Diego, CA
  • Country: United States
  • Type: Local/Regional
  • Discount: 5% Off Mattress
  • Memory Foam Comfort

  • HQ Location: Lantier, QC
  • Country: Canada
  • Type: Local/Regional , Online
  • Discount: 5% Off Mattress / Extra Slat Upgrade
  • Midwest Mattress

  • HQ Location: Ankeny, Urbandale, Des Moines, Ames, IA
  • Country: United States
  • Type: Local/Regional
  • Discount: 5% Off Mattress
  • My Green Mattress

  • HQ Location: La Grange, IL
  • Country: United States
  • Type: Local/Regional , Online
  • Discount: 5% Off Mattress (Code: MATUNDR)
  • Nest Bedding

  • HQ Location: Palo Alto, New York City, San Francisco, Studio City, Santa Monica, Albany/Berkeley, Chicago, CA & other
  • Country: United States
  • Type: Local/Regional , Online
  • Discount: 5% or more off Mattress (Code: UNDERGROUND5). They will also match any other larger discount
  • NovosBed

  • HQ Location: Online only
  • Country: Canada, United States
  • Type: Local/Regional , Online
  • Discount: $100 off mattress (Code: MU100)
  • Oklahoma Mattress Company

  • HQ Location: Oklahoma City, OK
  • Country: United States
  • Type: Local/Regional
  • Discount: 5% Off Mattress
  • Oso Sleep

  • HQ Location: Detroit, MI
  • Country: United States
  • Type: Local/Regional , Online
  • Discount: $50 Off Mattress (Code: Underground)
  • Parklane Mattresses

  • HQ Location: Tualatin, OR
  • Country: United States
  • Type: Local/Regional
  • Discount: Position Pillow Bonus (mattress over $799 only)
  • Pure Crafted Beds

  • HQ Location: Lansing, MI
  • Country: United States
  • Type: Local/Regional , Online
  • Discount: 5% Off Mattress
  • Quality Sleep Shop

  • HQ Location: La Grange, IL
  • Country: United States
  • Type: Local/Regional
  • Discount: Bedding Bonus
  • Restmore Bedding

  • HQ Location: Winnipeg, MB
  • Country: Canada
  • Type: Local/Regional
  • Discount: 5% Off Mattress
  • Reverie

  • HQ Location: Bloomfield Hills, MI
  • Country: United States
  • Type: , Online
  • Discount: Bedding Bonus
  • Rocky Mountain Mattress

  • HQ Location: Conover, NC
  • Country: Canada, United States
  • Type: Local/Regional , Online
  • Discount: 5% Off Mattress
  • Scott Jordan Furniture

  • HQ Location: New York, NY
  • Country: United States
  • Type: Local/Regional
  • Discount: 5% Off Mattress
  • Sedona Sleep

  • HQ Location: Phoenix, AZ
  • Country: United States
  • Type: Local/Regional , Online
  • Discount: 5% Off Mattress (Code: MUDISCOUNT)
  • Shovlin Mattress Factory

  • HQ Location: Fanwood, NJ
  • Country: United States
  • Type: Local/Regional
  • Discount: 5% Off Mattress
  • Sleep Boutique

  • HQ Location: Calgary, AB
  • Country: Canada
  • Type: Local/Regional
  • Discount: 5% Off Mattress
  • Sleep EZ Factory

  • HQ Location: Tempe, AZ
  • Category: Mfr. Direct: Mattresses / Foundations / Toppers / Accessories
  • Country: Canada, United States
  • Type: Local/Regional , Online
  • Discount: 5% Off Mattress or Bonus Pillow on Special
  • Sleep On Latex

  • HQ Location: Chicago, IL
  • Country: United States
  • Type: Local/Regional , Online
  • Discount: 5% Off Mattress
  • SleepingOrganic

  • HQ Location: Mount Pleasant, SC
  • Country: United States
  • Type: Local/Regional , Online
  • Discount: 5% Off Mattress
  • Soaring Heart Natural Bed Company

  • HQ Location: Seattle, WA
  • Country: Canada, United States
  • Type: Local/Regional , Online
  • Discount: 5% Off Mattress (Code: mattunder)
  • Spindle Mattress

  • HQ Location: Acton, MA
  • Category: Mfr. Direct: Mattresses / Foundations / Replacement Parts
  • Country: United States
  • Type: Local/Regional , Online
  • Discount: 5% Off Mattress (Code: phoenix)
  • Sterling Mattress Factory

  • HQ Location: Herrin, IL
  • Country: United States
  • Type: Local/Regional
  • Discount: Bedding Bonus
  • Texas Mattress Makers

  • HQ Location: Houston, TX
  • Country: United States
  • Type: Local/Regional
  • Discount: 5% Off Mattress
  • The Mattress & Sleep Company

  • HQ Location: Edmonton, Calgary, AB
  • Country: Canada
  • Type: Local/Regional , Online
  • Discount: 5% Off Mattress (Code: MU5)
  • The Mattress Factory

  • HQ Location: Fort Worth, TX
  • Country: United States
  • Type: Local/Regional
  • Discount: 5% Off Mattress
  • Urban Natural Home Furnishings

  • HQ Location: Paramus, NJ
  • Country: United States
  • Type: Local/Regional
  • Discount: 5% Off Mattress
  • Yankee Mattress Factory

  • HQ Location: Agawam, Northampton, Greenfield, MA
  • Country: United States
  • Type: Local/Regional
  • Discount: 5% Off Mattress
  • Latest Forum Posts

      • Phoenix's Avatar
      • Comfort Sleep Systems - Outrageous
      • Hi mowgli, Thanks for the extra feedback on your mattress. That's too bad that the inner layers of you mattress got too soft for you., as well as the upper layers. It may be worth you checking with...
      • 25 Feb 2017 18:46
      • Phoenix's Avatar
      • Tired of researching. Cut to the chase, lol.
      • Hi shermitte, Welcome to the forum! :) If you’ve read quite a bit on this site, then you’re already aware that I only provide “how” to choose, not “what”, in a mattress, and I don’t...
      • 25 Feb 2017 15:08
      • Phoenix's Avatar
      • Who Can I Trust to Help Me Find A Mattress????
      • Hi Hammer, I’m glad you had a chance to try out a few different latex products. It’s always best to do your own personal testing, as you found it it’s more accurate than being able to touch...
      • 25 Feb 2017 14:47
      • Phoenix's Avatar
      • FRAMEWORK NEEDED: thickness versus weight versus layers
      • Hi ducksmack, I’ll do my best to answer your question, as I’m not exactly clear what you’re asking. Regarding thickness (the number of layers I know is not the same as overall thickness), the...
      • 25 Feb 2017 14:29

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