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
Grand Design Imagine 3210BH 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 →Grand Design spec sheet, 2027.
Bunks34 × 73 in / 30 × 73 in
Bunk. Grand Design spec sheet, 2027.
Common RV bunk sizes →
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.
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
Bunk mattresses in 34 × 73 in / 30 × 73 in
Some bunks have a rounded corner, so trace yours before a custom cut. A thicker bunk mattress takes headroom from the bunk above.
Custom size
Mattress InsiderPark Meadow Encased Coil II
- Hybrid
- 8 in thick
- cushion-firm
Sleep Foundation: Best Mattress for Pressure Relief Read review
Made to 34 × 73 inGet a quote
The Imagine 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 | – | – | Grand Design spec sheet |
| 2024 | 60 × 80 in Queen | 34 × 73 in, 30 × 73 in | – | Grand Design spec sheet |
| 2025 | 60 × 80 in Queen | 34 × 73 in, 30 × 73 in | – | Grand Design spec sheet |
| 2026 | 60 × 80 in Queen | – | – | Grand Design 2026 model-year brochure |
| 2026 | 60 × 80 in Queen | 34 × 73 in, 30 × 73 in | – | Grand Design spec sheet |
| 2027 | 60 × 80 in Queen | 34 × 73 in | – | Grand Design spec page |
| 2027 | 60 × 80 in Queen | 34 × 73 in, 30 × 73 in | – | Grand Design spec sheet |
| 2027 | 60 × 80 in Queen | 34 × 73 in, 30 × 73 in | – | Grand Design spec sheet |
Years not listed weren't published.
The 3210BH floorplan
Grand Design's 2027 3210BH floorplan.
Is this your 3210BH?
Check the year and length against your RV before you order.
| Year | Model | Length | Sleeps |
|---|---|---|---|
| 2023 | Imagine 3210BH | 36' 11" | – |
| 2024 | Imagine 3210BH | 36' 11" | 8 |
| 2025 | Imagine 3210BH | 36' 11" | 8 |
| 2026 | Imagine 3210BH | 36' 11" | 8 |
| 2027 | Imagine 3210BH | 36' 11" | 8 |
| 2027 | Imagine 3210BH | 36' 11" | 8 |
Other Imagine mattress sizes
Sources
- Grand Design (granddesignrv.com): https://www.granddesignrv.com/travel-trailers/imagine/3210bh
- Grand Design (granddesignrv.com), archived copy: https://web.archive.org/web/20221128204230/https://granddesignrv.com/showroom/2023/travel-trailer/imagine/floorplans/3210bh
- Grand Design (granddesignrv.com), archived copy: https://web.archive.org/web/20240622025528/https://www.granddesignrv.com/travel-trailers/imagine/3210bh
- Grand Design (granddesignrv.com), archived copy: https://web.archive.org/web/20250423045804/https://www.granddesignrv.com/travel-trailers/imagine/3210bh
- Grand Design (granddesignrv.com), archived copy: https://web.archive.org/web/20260317061203/https://www.granddesignrv.com/travel-trailers/imagine/3210bh
Questions
What size mattress is in the Grand Design Imagine 3210BH?
The main bed is 60 × 80 in (Grand Design spec sheet, 2027).
What size are the Grand Design Imagine 3210BH bunk mattresses?
34 × 73 in / 30 × 73 in (Grand Design spec sheet, 2027).