rigsize

Jayco Eagle 31MBT mattress size

Years 2025Sold as Eagle HT Fifth WheelLength 37' 6"Sleeps 7
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.

Jayco spec page, 2025.

Mattresses in 66 × 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

$1,465Olympic Queen - 66x80 · list priceSee price
Best value
Mattress Insider Elation Gel Foam

Mattress InsiderElation Gel Foam

  • Memory foam
  • 6 in thick
  • cushion firm
$50966" 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

$1,999Olympic Queen - 66x80 · list priceSee price
Best memory foam
Mattress Insider Luxury Gel Memory Foam

Mattress InsiderLuxury Gel Memory Foam

  • Memory foam
  • 8 in thick
  • not stated
$89966" x 80" · list priceSee price
Best hybrid
RVMattress.com CopperFlex RV Hybrid

RVMattress.comCopperFlex RV Hybrid

  • Hybrid
  • 10 in thick
  • Medium-Firm
$799Olympic Queen - 66x80 · 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

$1,532Olympic Queen - 66x80 · 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

$79966" x 80" · list priceSee price
Custom size
Mattress Insider The Sedona

Mattress InsiderThe Sedona

  • All-foam
  • 5.5 in thick
  • Firm
Made to 66 × 80 inGet a quote
Bedroom in a Eagle

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

The 31MBT floorplan

Jayco Eagle 31MBT floorplan, 2025

Jayco's 2025 31MBT floorplan.

Is this your 31MBT?

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

YearModelLengthSleeps
2025Eagle HT Fifth Wheel 31MBT37' 6"7

Other Eagle mattress sizes

24RE25RUC26REC26RU27MLC27RL27RS28.5RSTSAll Eagle floorplans

Sources

  1. Jayco (jayco.com): https://www.jayco.com/rvs/fifth-wheels/2025-eagle-ht-fifth-wheels/31mbt/

Questions

What size mattress is in the Jayco Eagle 31MBT?

The main bed is 66 × 80 in (Jayco spec page, 2025).