Top pick
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
Jayco Seneca 33J mattress size
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
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Best value
Mattress InsiderThe Sedona
- All-foam
- 5.5 in thick
- Firm
$40372" x 80" · list priceSee price
Reviewers' favorite
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 InsiderElation Gel Foam
- Memory foam
- 6 in thick
- cushion firm
$65972" x 80" · list priceSee price
Best hybrid
RVMattress.comCopperFlex RV Hybrid
- Hybrid
- 10 in thick
- Medium-Firm
$1,065RV King 72x80 · list priceSee price
Best all-foam
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 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
The Seneca bedroom. Measure the platform, not the old mattress, before you buy.
Bed sizes by year
| Year | Main bed | Bunks | Other beds | Source |
|---|---|---|---|---|
| 2027 | 72 × 80 in King | – | Dinette 35 × 72 in | Jayco floorplan drawing |
| 2027 | 72 × 80 in King | – | Dinette 35 × 72 in | Jayco floorplan drawing |
Years not listed weren't published.
The 33J floorplan
Jayco's 2027 33J floorplan.
Is this your 33J?
Check the year and length against your RV before you order.
| Year | Model | Length | Sleeps |
|---|---|---|---|
| 2027 | Seneca 33J | 34' 2" | 7 |
Other Seneca mattress sizes
Sources
- Jayco (jayco.com): https://www.jayco.com/rvs/class-c-motorhomes/2027-seneca/33j/
Questions
What size mattress is in the Jayco Seneca 33J?
The main bed is 72 × 80 in (Jayco floorplan drawing, 2027).