rigsize

Jayco Seneca 35L mattress size

Years 2023–2027Sold as Seneca XTLength 37' 4"Sleeps 5
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 38 × 70 inJayco floorplan drawing
202472 × 80 in King–Dinette 38 × 70 inJayco floorplan drawing
202572 × 80 in King–Dinette 38 × 70 inJayco floorplan drawing
202672 × 80 in King–Dinette 38 × 70 inJayco floorplan drawing
202772 × 80 in King–Dinette 38 × 70 inJayco floorplan drawing

Years not listed weren't published.

The 35L floorplan

Jayco Seneca 35L floorplan, 2027

Jayco's 2027 35L floorplan.

Is this your 35L?

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

YearModelLengthSleeps
2023Seneca XT 35L37' 4"5
2024Seneca XT 35L37' 4"5
2025Seneca XT 35L37' 4"5
2026Seneca XT 35L37' 4"5
2027Seneca XT 35L37' 4"5

Other Seneca mattress sizes

Sources

  1. Jayco (jayco.com): https://www.jayco.com/rvs/class-c-motorhomes/2023-seneca-xt/35l/
  2. Jayco (jayco.com): https://www.jayco.com/rvs/class-c-motorhomes/2024-seneca-xt/35l/
  3. Jayco (jayco.com): https://www.jayco.com/rvs/class-c-motorhomes/2025-seneca-xt/35l/
  4. Jayco (jayco.com): https://www.jayco.com/rvs/class-c-motorhomes/2026-seneca-xt/35l/
  5. Jayco (jayco.com): https://www.jayco.com/rvs/class-c-motorhomes/2027-seneca-xt/35l/

Questions

What size mattress is in the Jayco Seneca 35L?

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