rigsize

Heartland Landmark CHARLESTON mattress size

Years 2015–2019Sold as Landmark, Landmark 365Length 41' 3"Sleeps 1-2
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 →

Heartland spec sheet, 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

Bed sizes by year

YearMain bedBunksOther bedsSource
201660 × 80 in Queen––Heartland spec sheet
201970 × 80 in King––Heartland spec sheet

Years not listed weren't published.

The CHARLESTON floorplan

Heartland Landmark CHARLESTON floorplan, 2018

Heartland's 2018 CHARLESTON floorplan.

Is this your CHARLESTON?

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

YearModelLengthSleeps
2015Landmark Charleston41' 3"–
2016Landmark 365 Charleston41' 4"3-4
2017Landmark 365 Charleston41' 4"3-4
2018Landmark 365 Charleston41' 3"3-4
2019Landmark Charleston41' 3"1-2

Other Landmark mattress sizes

ASHLANDGRAND CANYONKEY LARGOKEY WESTLOUISVILLEMADISONMESANEWPORTAll Landmark floorplans

Sources

  1. Heartland (heartlandrvs.com), archived copy: https://web.archive.org/web/20190917131850/https://heartlandrvs.com/2019/fifth-wheel/landmark-365/landmark-365-charleston/
  2. Heartland (heartlandrvs.com), archived copy: https://web.archive.org/web/20180601230420/https://heartlandrvs.com/brands/luxuryfw/landmark-365/lm-charleston
  3. Heartland (heartlandrvs.com), archived copy: https://web.archive.org/web/20170706221339/https://heartlandrvs.com/brands/luxuryfw/landmark-365/lm-charleston
  4. Heartland (heartlandrvs.com), archived copy: https://web.archive.org/web/20161006084319/http://www.heartlandrvs.com:80/brands/luxuryfw/landmark-365/lm-charleston
  5. Heartland (heartlandrvs.com): https://heartlandrvs.com/wp-content/uploads/2021/02/2015-LM-16pg-Lit.pdf

Questions

What size mattress is in the Heartland Landmark CHARLESTON?

The main bed is 70 × 80 in (Heartland spec sheet, 2019).