rigsize

Jayco Seneca 37K mattress size

Years 2018–2027Sold as SenecaLength 39' 4"Sleeps 7
72 in 80 in
To scale. Dashed: a regular queen.
Main bed72 × 80 inRV king

That's an RV king, 4 in narrower than a regular king (76 × 80 in). A regular king won't fit, so get an RV king in exactly 72 × 80 in.

About the RV king size →

Jayco floorplan drawing, 2027.

Mattresses in 72 × 80 in

We may earn a commission when you buy through some of these links. It doesn't change which mattresses we list.

Top pick
RVMattress.com Signature Hybrid

RVMattress.comSignature Hybrid

  • Hybrid
  • 13.25 in thick
  • Soft / Medium / Firm

Sleep Foundation: Best Mattress Overall Read review

$1,865RV King - 72x80 · list priceSee price
Best value
Mattress Insider The Sedona

Mattress InsiderThe Sedona

  • All-foam
  • 5.5 in thick
  • Firm
$40372" x 80" · list priceSee price
Reviewers' favorite
RVMattress.com Aurora Luxe Cooling

RVMattress.comAurora Luxe Cooling

  • Hybrid
  • 13.25 in thick
  • Soft / Medium / Firm

Sleep Foundation: Best Mattress for Temperature Regulation Read review

$2,465RV King - 72x80 · list priceSee price
Best memory foam
Mattress Insider Elation Gel Foam

Mattress InsiderElation Gel Foam

  • Memory foam
  • 6 in thick
  • cushion firm
$65972" x 80" · list priceSee price
Best hybrid
RVMattress.com CopperFlex RV Hybrid

RVMattress.comCopperFlex RV Hybrid

  • Hybrid
  • 10 in thick
  • Medium-Firm
$1,065RV King 72x80 · list priceSee price
Best all-foam
RVMattress.com Plank Firm

RVMattress.comPlank Firm

  • All-foam
  • 10 in thick
  • Firm / Extra Firm

Mattress Clarity: Best RV Mattress for Heavy People Read review

$1,532RV King - 72x80 · list priceSee price
Reviewer pick

HelixHelix Midnight

  • Hybrid
  • 11.5 in thick
  • Medium Feel

Sleep Foundation: Best Mattress for Side Sleepers Read review

$1,489RV King · list priceSee price
Reviewer pick
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

$84972" x 80" · list priceSee price
Bedroom in a Seneca

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

Bed sizes by year

YearMain bedBunksOther bedsSource
202372 × 80 in King–Dinette 42 × 70 inJayco floorplan drawing
202372 × 80 in King–Dinette 42 × 70 inJayco floorplan drawing
202472 × 80 in King–Dinette 42 × 70 inJayco floorplan drawing
202472 × 80 in King–Dinette 42 × 70 inJayco floorplan drawing
202572 × 80 in King–Dinette 42 × 70 inJayco floorplan drawing
202572 × 80 in King–Dinette 42 × 70 inJayco floorplan drawing
202672 × 80 in King–Dinette 42 × 70 inJayco floorplan drawing
202672 × 80 in King–Dinette 42 × 70 inJayco floorplan drawing
202772 × 80 in King–Dinette 42 × 70 inJayco floorplan drawing
202772 × 80 in King–Dinette 42 × 70 inJayco floorplan drawing

Years not listed weren't published.

The 37K floorplan

Jayco Seneca 37K floorplan, 2027

Jayco's 2027 37K floorplan.

Is this your 37K?

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

YearModelLengthSleeps
2018Seneca 37K39' 4"–
2019Seneca 37K39' 4"–
2020Seneca 37K39' 4"–
2021Seneca 37K39' 4"–
2022Seneca 37K39' 4"6
2023Seneca 37K39' 4"6
2024Seneca 37K39' 4"6
2025Seneca 37K39' 4"6
2026Seneca 37K39' 4"6
2027Seneca 37K39' 4"7

Other Seneca mattress sizes

Sources

  1. Jayco (jayco.com), archived copy: https://web.archive.org/web/20210924154557/https://www.jayco.com/rvs/class-c-motorhomes/2018-seneca/37k/
  2. Jayco (jayco.com), archived copy: https://web.archive.org/web/20210918172634/https://www.jayco.com/rvs/class-c-motorhomes/2019-seneca/37k/
  3. Jayco (jayco.com), archived copy: https://web.archive.org/web/20210918234746/https://www.jayco.com/rvs/class-c-motorhomes/2020-seneca/37k/
  4. Jayco (jayco.com), archived copy: https://web.archive.org/web/20210917203507/https://www.jayco.com/rvs/class-c-motorhomes/2021-seneca/37k/
  5. Jayco (jayco.com), archived copy: https://web.archive.org/web/20210924161637/https://www.jayco.com/rvs/class-c-motorhomes/2022-seneca/37k/
  6. Jayco (jayco.com): https://www.jayco.com/rvs/class-c-motorhomes/2023-seneca/37k/
  7. Jayco (jayco.com): https://www.jayco.com/rvs/class-c-motorhomes/2024-seneca/37k/
  8. Jayco (jayco.com): https://www.jayco.com/rvs/class-c-motorhomes/2025-seneca/37k/
  9. Jayco (jayco.com): https://www.jayco.com/rvs/class-c-motorhomes/2026-seneca/37k/
  10. Jayco (jayco.com): https://www.jayco.com/rvs/class-c-motorhomes/2027-seneca/37k/

Questions

What size mattress is in the Jayco Seneca 37K?

The main bed is 72 × 80 in (Jayco floorplan drawing, 2027).