Top pick
RVMattress.comSignature Hybrid
- Hybrid
- 13.25 in thick
- Soft / Medium / Firm
Sleep Foundation: Best Mattress Overall Read review
$1,465Queen · list priceSee price
Starcraft GSL 354MBH mattress size
Main bed60 × 80 inQueen
That's the same size as a regular queen, so any standard queen mattress fits.
About the RV queen size →Starcraft spec sheet, 2025.
Mattresses in 60 × 80 in
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Best value
Mattress InsiderThe Sedona
- All-foam
- 5.5 in thick
- Firm
$36160" x 80" · list priceSee price
Reviewers' favorite
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
Best memory foam
Mattress InsiderElation Gel Foam
- Memory foam
- 6 in thick
- cushion firm
$45960" x 80" · list priceSee price
Best hybrid
RVMattress.comCopperFlex RV Hybrid
- Hybrid
- 10 in thick
- Medium-Firm
$799Queen · list priceSee price
Best all-foam
RVMattress.comPlank Firm
- All-foam
- 10 in thick
- Firm / Extra Firm
Mattress Clarity: Best RV Mattress for Heavy People Read review
$1,332Queen · list priceSee price
Reviewer pick
HelixHelix Midnight
- Hybrid
- 11.5 in thick
- Medium Feel
Sleep Foundation: Best Mattress for Side Sleepers Read review
$1,183Queen · list priceSee price
Reviewer pick
Mattress InsiderPark Meadow Encased Coil II
- Hybrid
- 8 in thick
- cushion-firm
Sleep Foundation: Best Mattress for Pressure Relief Read review
$66960" x 80" · list priceSee price
The GSL bedroom. Measure the platform, not the old mattress, before you buy.
Bed sizes by year
| Year | Main bed | Bunks | Other beds | Source |
|---|---|---|---|---|
| 2023 | 60 × 80 in Queen | – | – | Starcraft spec page |
| 2024 | 60 × 80 in Queen | – | – | Starcraft spec page |
| 2024 | 60 × 80 in Queen | – | – | Starcraft spec sheet |
| 2025 | 60 × 80 in Queen | – | – | Starcraft spec page |
| 2025 | 60 × 80 in Queen | – | – | Starcraft spec sheet |
Years not listed weren't published.
The 354MBH floorplan
Starcraft's 2025 354MBH floorplan.
Is this your 354MBH?
Check the year and length against your RV before you order.
| Year | Model | Length | Sleeps |
|---|---|---|---|
| 2023 | GSL Fifth Wheel 354MBH | 39' 2" | 9 |
| 2024 | GSL Fifth Wheel 354MBH | 39' 0" | 8 |
| 2025 | GSL Fifth Wheel 354MBH | 39' 1" | 7 |
Other GSL mattress sizes
Sources
- Starcraft (starcraftrv.com): https://starcraftrv.com/rvs/fifth-wheels/2025-gsl-fifth-wheel/354mbh/
- Starcraft (starcraftrv.com): https://starcraftrv.com/rvs/fifth-wheels/2024-gsl-fifth-wheel/354mbh/
- Starcraft (starcraftrv.com): https://starcraftrv.com/rvs/fifth-wheels/2023-gsl-fifth-wheel/354mbh/
Questions
What size mattress is in the Starcraft GSL 354MBH?
The main bed is 60 × 80 in (Starcraft spec sheet, 2025).