- Hybrid
- 13.25 in thick
- Soft / Medium / Firm
Sleep Foundation: Best Mattress Overall Read review
That's the same size as a regular queen, so any standard queen mattress fits.
About the RV queen size →Keystone 2026 brochure, 2026.
We may earn a commission when you buy through some of these links. It doesn't change which mattresses we list.
Sleep Foundation: Best Mattress Overall Read review
Sleep Foundation: Best Mattress for Temperature Regulation Read review
Mattress Clarity: Best RV Mattress for Heavy People Read review
Sleep Foundation: Best Mattress for Side Sleepers Read review
Sleep Foundation: Best Mattress for Pressure Relief Read review

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

Keystone's 2026 27SBH floorplan.
Check the year and length against your RV before you order.
| Year | Model | Length | Sleeps |
|---|---|---|---|
| 2024 | Arcadia Select 27SBH | 32 ft 3 in | 10 |
| 2025 | Arcadia Select 27SBH | 32 ft 8 in | 10 |
| 2026 | Arcadia Select 27SBH | 32 ft 8 in | 8 |
| 2027 | Arcadia Select 27SBH | 32 ft 8 in | 8 |
The main bed is 60 × 80 in (Keystone 2026 brochure, 2026).