rigsize

Keystone Springdale 3100XBR mattress size

Years 2026–2027Sold as Springdale MAX, Springdale MaxLength 35' 11"Sleeps 8
66 in 80 in
To scale. Dashed: a regular queen.
Main bed66 × 80 inOlympic queen

That's an Olympic queen, 6 in wider than a regular queen. RV mattress sellers stock it; a regular queen would leave 6 in of platform bare.

Keystone spec page, 2027.

Mattresses in 66 × 80 in

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Great all around
RVMattress.com Signature Hybrid

RVMattress.comSignature Hybrid

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

Sleep Foundation: Best Mattress Overall Read review

$1,465Olympic Queen - 66x80 · list priceSee price
Best value
RVMattress.com CopperFlex Essential

RVMattress.comCopperFlex Essential

  • All-foam
  • 6 in thick
  • five comfort options
$799Olympic Queen - 66x80 · list priceSee price
Firm
RVMattress.com Plank Firm Luxe

RVMattress.comPlank Firm Luxe

  • Hybrid
  • 13 in thick
  • Firm / Extra Firm
$1,865Olympic Queen - 66x80 · list priceSee price
Cooling
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

$1,999Olympic Queen - 66x80 · list priceSee price
RV hybrid
RVMattress.com CopperFlex RV Hybrid

RVMattress.comCopperFlex RV Hybrid

  • Hybrid
  • 10 in thick
  • Medium-Firm
$799Olympic Queen - 66x80 · list priceSee price
Custom size
Mattress Insider Luxury Gel Memory Foam

Mattress InsiderLuxury Gel Memory Foam

  • Memory foam
  • 8 in thick
  • not stated
Made to 66 × 80 inGet a quote
Bedroom in a Springdale

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

The 3100XBR floorplan

Keystone Springdale 3100XBR floorplan, 2027

Keystone's 2027 3100XBR floorplan.

Is this your 3100XBR?

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

YearModelLengthSleeps
2026Springdale MAX 3100XBR––
2026Springdale Max 3100XBR35' 11"9
2027Springdale MAX 3100XBR––
2027Springdale Max 3100XBR35' 11"8

Other Springdale mattress sizes

29HAVEN31SUNROOMAll Springdale floorplans

Sources

  1. keystonerv-prod.zaneray.com: https://keystonerv-prod.zaneray.com/cms/images/aXExjQIvOtkhByaj_SG_3100XBR_2026.png
  2. keystonerv-prod.zaneray.com: https://keystonerv-prod.zaneray.com/cms/images/aj6cnVbRV8_Qf66U_SG_3100XBR_2027.png
  3. Keystone (keystonerv.com): https://www.keystonerv.com/product/springdale-max

Questions

What size mattress is in the Keystone Springdale 3100XBR?

The main bed is 66 × 80 in (Keystone spec page, 2027).