- Hybrid
- 13.25 in thick
- Soft / Medium / Firm
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That's an RV short queen, 5 in shorter than a regular queen. A regular queen would hang off the end, so get an RV short queen.
About the RV short queen size →Venture spec sheet, 2018.
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Sleep Foundation: Best Mattress Overall Read review
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Some bunks have a rounded corner, so trace yours before a custom cut. A thicker bunk mattress takes headroom from the bunk above.
| Year | Main bed | Bunks | Other beds | Source |
|---|---|---|---|---|
| 2016 | 60 × 75 in Queen | 32 × 48 in | – | Venture spec sheet |
| 2017 | 60 × 75 in Queen | 32 × 48 in | – | Venture spec sheet |
| 2018 | 60 × 75 in Queen | 32 × 48 in | – | Venture spec sheet |
Years not listed weren't published.

Venture's 2018 SN170VBH floorplan.
Check the year and length against your RV before you order.
| Year | Model | Length | Sleeps |
|---|---|---|---|
| 2015 | Sonic SN170VBH | 21' | – |
| 2016 | Sonic SN170VBH | 21' | – |
| 2017 | Sonic SN170VBH | 21' 2" | – |
| 2018 | Sonic SN170VBH | 21' 2" | – |
The main bed is 60 × 75 in (Venture spec sheet, 2018).
No. The platform is 60 × 75 in, an RV short queen. A home queen is 60 × 80 in and hangs off the end.
32 × 48 in (Venture spec sheet, 2018).