rigsize

Grand Design Solitude 300GK mattress size

Years 2016–2017Sold as SolitudeLength 34' 11"
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 →

Dealer report, 2018. A reported size, not a guarantee: measure your platform first.

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 Solitude

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

Bed sizes by year

YearMain bedBunksOther bedsSource
201760 × 80 in Queen––Grand Design spec sheet
201860 × 80 in Queen––Dealer report

Years not listed weren't published.

Is this your 300GK?

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

YearModelLengthSleeps
2016Solitude 300GK34' 11"–
2017Solitude 300GK34' 11"–

Other Solitude mattress sizes

Sources

  1. Grand Design (granddesignrv.com), archived copy: https://web.archive.org/web/20160523030654/http://www.granddesignrv.com:80/solitude-specs.php
  2. Grand Design (granddesignrv.com), archived copy: https://web.archive.org/web/20160720163014/http://www.granddesignrv.com:80/showroom/2017/fifth-wheel/solitude/floorplans/300gk-300gk-r
  3. Grand Design (granddesignrv.com), archived copy: https://web.archive.org/web/20170131200602/https://www.granddesignrv.com/showroom/2017/fifth-wheel/solitude/specs

Questions

What size mattress is in the Grand Design Solitude 300GK?

The main bed is 60 × 80 in (Dealer report, 2018).