Custom size
- Hybrid
- 8 in thick
- cushion-firm
Sleep Foundation: Best Mattress for Pressure Relief Read review
Made to 35 × 74 inGet a quote
That isn't a standard mattress size, so order a custom size cut to your platform.
About the RV bunk size →Forest River spec page, 2023.
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Sleep Foundation: Best Mattress for Pressure Relief Read review

The Rockwood bedroom. Measure the platform, not the old mattress, before you buy.
| Year | Main bed | Bunks | Other beds | Source |
|---|---|---|---|---|
| 2020 | 35 × 74 in Twin | – | Dinette 44 × 85 in | 2020 Forest River Rockwood Travel Trailers brochure |
| 2021 | 35 × 74 in Twin | – | king bed insert (no size); U-dinette 44x85 | Forest River floorplan drawing |
| 2023 | 35 × 74 in | – | – | Forest River spec page |
Years not listed weren't published.

Forest River's 2021 2204S floorplan.
Check the year and length against your RV before you order.
| Year | Model | Length | Sleeps |
|---|---|---|---|
| 2021 | Rockwood Mini Lite 2204S | 23' 11" | – |
| 2023 | Rockwood Mini Lite 2204S | 23' 11" | – |
The main bed is 35 × 74 in (Forest River spec page, 2023).