rigsize

Heartland Sundance 28DB mattress size

Years 2026–2027Sold as Sundance XLTLength 34' 7"Sleeps Up to 10
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 →

recreationalvehicles.info, 2026.

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.

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

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

RVMattress.comCopperFlex Essential

  • All-foam
  • 6 in thick
  • five comfort options
$524Queen · list priceSee price
Firm
RVMattress.com Plank Firm Luxe

RVMattress.comPlank Firm Luxe

  • Hybrid
  • 13 in thick
  • Firm / Extra Firm
$1,598Queen · 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

$1,999Queen · list priceSee price
Heavy duty
RVMattress.com Titan Plus Luxe

RVMattress.comTitan Plus Luxe

  • Hybrid
  • 13 in thick
  • Plush
$1,665Queen · list priceSee price
Helix pick
Helix Helix Midnight

HelixHelix Midnight

  • Hybrid
  • 11.5 in thick
  • Medium Feel

Sleep Foundation: Best Mattress for Side Sleepers Read review

$1,183Queen · list priceSee price
RV hybrid
RVMattress.com CopperFlex RV Hybrid

RVMattress.comCopperFlex RV Hybrid

  • Hybrid
  • 10 in thick
  • Medium-Firm
$799Queen · 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 60 × 80 inGet a quote
Bedroom in a Sundance

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

Bed sizes by year

YearMain bedBunksOther bedsSource
202660 × 80 in Queen––Heartland spec page
202660 × 80 in Queen––recreationalvehicles.info

Years not listed weren't published.

The 28DB floorplan

Heartland Sundance 28DB floorplan, 2027

Heartland's 2027 28DB floorplan.

Is this your 28DB?

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

YearModelLengthSleeps
2026Sundance XLT 28DB34' 7"Up to 10
2027Sundance XLT 28DB34' 7"Up to 10

Other Sundance mattress sizes

Sources

  1. Heartland (heartlandrvs.com): https://heartlandrvs.com/rv-model/28db-2027/
  2. Heartland (heartlandrvs.com): https://heartlandrvs.com/rv-model/28db/

Questions

What size mattress is in the Heartland Sundance 28DB?

The main bed is 60 × 80 in (recreationalvehicles.info, 2026).