rigsize

Keystone Montana 3100RL mattress size

Years 2012–2027Sold as MontanaLength 35 ft 11 inSleeps 4
60 in 80 in
To scale. Dashed: a regular queen.
Main bed60 × 80 inQueen

That's the same size as a regular queen, so any standard queen mattress fits.

About the RV queen size →

Dealer report, 2027. A reported size, not a guarantee: measure your platform first.

Mattresses in 60 × 80 in

We may earn a commission when you buy through some of these links. It doesn't change which mattresses we list.

Top pick
RVMattress.com Signature Hybrid

RVMattress.comSignature Hybrid

  • Hybrid
  • 13.25 in thick
  • Soft / Medium / Firm

Sleep Foundation: Best Mattress Overall Read review

$1,465Queen · list priceSee price
Best value
Mattress Insider The Sedona

Mattress InsiderThe Sedona

  • All-foam
  • 5.5 in thick
  • Firm
$36160" x 80" · list priceSee price
Reviewers' favorite
RVMattress.com Aurora Luxe Cooling

RVMattress.comAurora Luxe Cooling

  • Hybrid
  • 13.25 in thick
  • Soft / Medium / Firm

Sleep Foundation: Best Mattress for Temperature Regulation Read review

$1,999Queen · list priceSee price
Best memory foam
Mattress Insider Elation Gel Foam

Mattress InsiderElation Gel Foam

  • Memory foam
  • 6 in thick
  • cushion firm
$45960" x 80" · list priceSee price
Best hybrid
RVMattress.com CopperFlex RV Hybrid

RVMattress.comCopperFlex RV Hybrid

  • Hybrid
  • 10 in thick
  • Medium-Firm
$799Queen · list priceSee price
Best all-foam
RVMattress.com Plank Firm

RVMattress.comPlank Firm

  • All-foam
  • 10 in thick
  • Firm / Extra Firm

Mattress Clarity: Best RV Mattress for Heavy People Read review

$1,332Queen · list priceSee price
Reviewer pick

HelixHelix Midnight

  • Hybrid
  • 11.5 in thick
  • Medium Feel

Sleep Foundation: Best Mattress for Side Sleepers Read review

$1,183Queen · list priceSee price
Reviewer pick
Mattress Insider Park Meadow Encased Coil II

Mattress InsiderPark Meadow Encased Coil II

  • Hybrid
  • 8 in thick
  • cushion-firm

Sleep Foundation: Best Mattress for Pressure Relief Read review

$66960" x 80" · list priceSee price
Bedroom in a Montana

The Montana bedroom. Measure the platform, not the old mattress, before you buy.

The 3100RL floorplan

Keystone Montana 3100RL floorplan, 2027

Keystone's 2027 3100RL floorplan.

Is this your 3100RL?

Check the year and length against your RV before you order.

YearModelLengthSleeps
2012Montana 3100RL35'–
2013Montana 3100RL35' 9"–
2014Montana 3100RL35' 9"–
2015Montana 3100RL35' 3"–
2026Montana 3100RL35 ft 11 in4
2027Montana 3100RL35 ft 11 in4

Other Montana mattress sizes

Sources

  1. Keystone (keystonerv.com), archived copy: https://web.archive.org/web/20160718011317/http://www.keystonerv.com/montana/historical/2012/?alttemplate=specs
  2. Keystone (keystonerv.com), archived copy: https://web.archive.org/web/20160719133012/http://www.keystonerv.com/montana/historical/2013/?alttemplate=specs
  3. Keystone (keystonerv.com), archived copy: https://web.archive.org/web/20160520221521/http://www.keystonerv.com:80/montana/historical/2014/?alttemplate=specs
  4. Keystone (keystonerv.com), archived copy: https://web.archive.org/web/20160718011245/http://www.keystonerv.com/montana/historical/2015/?alttemplate=specs
  5. Keystone (keystonerv.com): https://www.keystonerv.com/product/montana/luxury-fifth-wheels/floorplans/3100RL

Questions

What size mattress is in the Keystone Montana 3100RL?

The main bed is 60 × 80 in (Dealer report, 2027).