rigsize

Forest River Salem 164RBLE mattress size

Years 2024–2025Sold as Salem FSXLength 20'Sleeps 2
66 in 78 in
To scale. Dashed: a regular queen.
Main bed66 × 78 inCustom size

That isn't a standard mattress size, so order a custom size cut to your platform.

Dealer report, 2025. A reported size, not a guarantee: measure your platform first.

Mattresses in 66 × 78 in

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Custom size
Mattress Insider Park Meadow Encased Coil II

Mattress InsiderPark Meadow Encased Coil II

  • Hybrid
  • 8 in thick
  • cushion-firm

Sleep Foundation: Best Mattress for Pressure Relief Read review

Made to 66 × 78 inGet a quote
Bedroom in a Salem

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

Is this your 164RBLE?

Check the year and length against your RV before you order.

YearModelLengthSleeps
2024Salem FSX 164RBLE20' 1"–
2025Salem FSX 164RBLE20'2

Other Salem mattress sizes

167RBK170SS178BHSK178BHSKX179DBK180ICE181RT190RTAll Salem floorplans

Sources

  1. funtownrv.com: https://www.funtownrv.com/product/used-2025-forest-river-rv-salem-164rble-3592771-29
  2. recreationalvehicles.info: https://recreationalvehicles.info/2024-forest-river-salem-fsx/2024-forest-river-salem-fsx-brochure-page-002.jpg

Questions

What size mattress is in the Forest River Salem 164RBLE?

The main bed is 66 × 78 in (Dealer report, 2025).