rigsize

Forest River Sunseeker MBS 2400B mattress size

Years 2014–2024Sold as Sunseeker MBSLength 25' 5"
60 in 75 in
To scale. Dashed: a regular queen.
Main bed60 × 75 inRV short queen

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 →

2022 Forest River Sunseeker brochure, 2022.

Bunks54 × 80 in Bunk. Forest River spec sheet, 2024. Common RV bunk sizes →

Mattresses in 60 × 75 in

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

Great all around
RVMattress.com Signature Hybrid

RVMattress.comSignature Hybrid

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

Sleep Foundation: Best Mattress Overall Read review

$1,332Short Queen - 60x74 · 1 in shorter than your platformSee price
Best value
RVMattress.com CopperFlex Essential

RVMattress.comCopperFlex Essential

  • All-foam
  • 6 in thick
  • five comfort options
$524Short Queen - 60x74 · 1 in shorter than your platformSee price
Firm
RVMattress.com Plank Firm Luxe

RVMattress.comPlank Firm Luxe

  • Hybrid
  • 13 in thick
  • Firm / Extra Firm
$1,598Short Queen - 60x74 · 1 in shorter than your platformSee price
Cooling
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

$1,865Short Queen - 60x74 · 1 in shorter than your platformSee price
Heavy duty
Brooklyn Bedding Titan Plus Luxe

Brooklyn BeddingTitan Plus Luxe

  • Hybrid
  • 13 in thick
  • Plush
$1,665Short Queen - 60x75 · list priceSee price
Helix pick
Helix Helix Midnight

HelixHelix Midnight

  • Hybrid
  • 11.5 in thick
  • Medium Feel

Sleep Foundation: Best Mattress for Side Sleepers Read review

$1,183Short Queen (60 × 74) · 1 in shorter than your platformSee price
Natural latex
PlushBeds Eco Green Organic Latex

PlushBedsEco Green Organic Latex

  • Latex
  • 8 in thick
$1,175Queen Short · list priceSee price
RV hybrid
RVMattress.com CopperFlex RV Hybrid

RVMattress.comCopperFlex RV Hybrid

  • Hybrid
  • 10 in thick
  • Medium-Firm
$799Short Queen - 60x74 · 1 in shorter than your platformSee price

Bunk mattresses in 54 × 80 in

Some bunks have a rounded corner, so trace yours before a custom cut. A thicker bunk mattress takes headroom from the bunk above.

Custom size
Mattress Insider Luxury Gel Memory Foam

Mattress InsiderLuxury Gel Memory Foam

  • Memory foam
  • 8 in thick
  • not stated
Made to 54 × 80 inGet a quote

Bed sizes by year

YearMain bedBunksOther bedsSource
202160 × 75 in Queen–Cab over 54 × 80 in2021 Forest River Sunseeker brochure
2021–54 × 80 in–Forest River spec sheet
202260 × 75 in Queen–Cab over 54 × 80 in2022 Forest River Sunseeker brochure
2022–54 × 80 in–Forest River spec sheet
2023–54 × 80 in–Forest River spec sheet
2024–54 × 80 in–Forest River spec sheet

Years not listed weren't published.

The 2400B floorplan

Forest River Sunseeker MBS 2400B floorplan, 2023

Forest River's 2023 2400B floorplan.

Is this your 2400B?

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

YearModelLengthSleeps
2014Sunseeker MBS 2400B24' 11"–
2015Sunseeker MBS 2400B24' 11"–
2021Sunseeker MBS 2400B25' 5"–
2022Sunseeker MBS 2400B25' 5"–
2023Sunseeker MBS 2400B25' 5"–
2024Sunseeker MBS 2400B25' 5"–

Other Sunseeker MBS mattress sizes

2400TAll Sunseeker MBS floorplans

Sources

  1. Forest River (forestriverinc.com), archived copy: https://web.archive.org/web/20140627053944/http://www.forestriverinc.com:80/ClassCMotorhomes/Sunseeker/default.aspx?page=specifications
  2. Forest River (forestriverinc.com), archived copy: https://web.archive.org/web/20141006055051/http://www.forestriverinc.com:80/ClassCMotorhomes/Sunseeker/default.aspx?page=specifications
  3. Forest River (forestriverinc.com), archived copy: https://web.archive.org/web/20210126140251/https://forestriverinc.com/rvs/class-c-motorhomes/sunseeker-mbs/2400B/4924
  4. Forest River (forestriverinc.com), archived copy: https://web.archive.org/web/20210126140251/https://forestriverinc.com/rvs/ImageHandler.ashx?ImageID=134526
  5. Forest River (forestriverinc.com), archived copy: https://web.archive.org/web/20220517115553/https://forestriverinc.com/rvs/print/floorplan/sunseeker-mbs/2400B/4924
  6. Forest River (forestriverinc.com), archived copy: https://web.archive.org/web/20220517115553/https://forestriverinc.com/rvs/ImageHandler.ashx?ImageID=134526
  7. Forest River (forestriverinc.com), archived copy: https://web.archive.org/web/20230327034050/https://forestriverinc.com/rvs/class-c-motorhomes/sunseeker-mbs/2400B/6813
  8. Forest River (forestriverinc.com), archived copy: https://web.archive.org/web/20230327034050/https://forestriverinc.com/rvs/ImageHandler.ashx?ImageID=134526
  9. Forest River (forestriverinc.com), archived copy: https://web.archive.org/web/20241016054958/https://www.forestriverinc.com/rvs/sunseeker-mbs/2400B/8872

Questions

What size mattress is in the Forest River Sunseeker MBS 2400B?

The main bed is 60 × 75 in (2022 Forest River Sunseeker brochure, 2022).

Will a regular queen mattress fit the Forest River Sunseeker MBS 2400B?

No. The platform is 60 × 75 in, an RV short queen. A home queen is 60 × 80 in and hangs off the end.

What size are the Forest River Sunseeker MBS 2400B bunk mattresses?

54 × 80 in (Forest River spec sheet, 2024).