Top pick
- Hybrid
- 13.25 in thick
- Soft / Medium / Firm
Sleep Foundation: Best Mattress Overall Read review
$1,465Queen · list priceSee price
That's the same size as a regular queen, so any standard queen mattress fits.
About the RV queen size →Keystone 2021 brochure, 2021.
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The Montana bedroom. Measure the platform, not the old mattress, before you buy.
Check the year and length against your RV before you order.
| Year | Model | Length | Sleeps |
|---|---|---|---|
| 2021 | Montana 3763BP | 41 ft 0 in | 6 |
| 2022 | Montana 3763BP | 41 ft 0 in | 6 |
| 2023 | Montana 3763BP | 41 ft 0 in | 6 |
The main bed is 60 × 80 in (Keystone 2021 brochure, 2021).