rigsize

Heartland Milestone 360RD mattress size

Years 2019–2020Sold as MilestoneLength 40'-4"Sleeps 5-6
70 in 80 in
To scale. Dashed: a regular queen.
Main bed70 × 80 inRV king

That's an RV king, 6 in narrower than a regular king (76 × 80 in). A regular king won't fit, so get an RV king in exactly 70 × 80 in.

About the RV king size →

recreationalvehicles.info, 2019.

Mattresses in 70 × 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

$1,865RV King - 70x80 · list priceSee price
Best value
RVMattress.com CopperFlex Essential

RVMattress.comCopperFlex Essential

  • All-foam
  • 6 in thick
  • five comfort options
$799RV King - 70x80 · list priceSee price
Firm
RVMattress.com Plank Firm Luxe

RVMattress.comPlank Firm Luxe

  • Hybrid
  • 13 in thick
  • Firm / Extra Firm
$1,865RV King - 70x80 · 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

$2,465RV King - 70x80 · list priceSee price
RV hybrid
RVMattress.com CopperFlex RV Hybrid

RVMattress.comCopperFlex RV Hybrid

  • Hybrid
  • 10 in thick
  • Medium-Firm
$1,065RV King - 70x80 · 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 70 × 80 inGet a quote
Bedroom in a Milestone

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

The 360RD floorplan

Heartland Milestone 360RD floorplan, 2020

Heartland's 2020 360RD floorplan.

Is this your 360RD?

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

YearModelLengthSleeps
2019Milestone 360RD40'-4"5-6
2020Milestone 360RD40'-4"5-6

Other Milestone mattress sizes

317RLAll Milestone floorplans

Sources

  1. Heartland (heartlandrvs.com), archived copy: https://web.archive.org/web/20201130101835/https://heartlandrvs.com/2020/fifth-wheel/milestone/mi-360rd/
  2. Heartland (heartlandrvs.com), archived copy: https://web.archive.org/web/20190819022110/https://heartlandrvs.com/2019/fifth-wheel/milestone/mi-360rd/

Questions

What size mattress is in the Heartland Milestone 360RD?

The main bed is 70 × 80 in (recreationalvehicles.info, 2019).