Loft, bunkhouse, mid bunk, desk, farmhouse sink
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2026 Forest River Sandpiper 4003MB
NewStock #048727
Listing price
2026 Sandpiper 4003MB
Other floor plans with a similar body style, feature mix, and price range, prioritizing other manufacturers and brands.
Length
42 ft 9 in
Dry weight
12,609 lbs
Sleeps
8
Slideouts
4
What sets the 4003MB apart from a typical bunkhouse fifth wheel is how it stacks its sleeping and living spaces: a mid-bunk section keeps kids separate from the front bedroom's King bed, while a loft above the bedroom adds a third zone that doubles well as a hangout or overflow sleeping area. The rear living area flips the usual floor plan convention and earns its own panoramic rear window, making it feel surprisingly open. In the kitchen, a farmhouse sink and hidden pantry are genuinely useful touches. The concealed pantry in particular tends to be a crowd-pleaser in walkthroughs. A built-in desk, washer/dryer prep, solid surface countertops, and dual 15k BTU A/Cs round out a layout that packs a lot of livability into one unit, with Sandpiper's typical value-forward feature set rather than premium fit and finish.
Many factors play into a unit's listing price and what you should pay. This guide provides a ballpark estimate, but it does not factor in your exact scenario or how different listings are equipped.
There may be room for price negotiation.
Unlock pricing insights with RV Envy Pro →$57,978 – $78,995
This unit has been on the lot for 31 to 60 days.
When was this unit listed?This unit ranks near the lowest priced for new units in this model year.
From the dealer's listing
Forest River Sandpiper fifth wheel 4003MB highlights:
Middle Bunkhouse
King Bed Slide Out
Hidden Pantry
Exterior Docking Station
Have you been looking for a luxury fifth wheel with space for overnight guests or even an office? This model is the one! You will have your own private bedroom up front with a king bed slide out, a dresser with TV prep, plus a walk-in wardrobe with shelves and washer/dryer prep. If you have little ones or guests, they can take the middle bunkroom with a 70¨ Bi-Fold sofa and Flip up bunk above, and the desk in this room will allow you to make it into an office if you need. There is even a 1/2 loft above this room with a ladder for more sleeping or storage space! The main living area includes theater seating across from the entertainment center with a hidden pantry, and a hide-a-bed sofa in this space can also be converted to sleeping space for tag-along campers. The chef will love the kitchen island for more counter space, a 12V refrigerator, plus an outside mini fridge to enjoy the nice weather and have easy access to your favorite drinks.
You will find the perfect balance of size, space, features, and luxury with any one of these Forest River Sandpiper fifth wheels! They have a cambered powder coated frame with rust prohibitor, and a fully enclosed underbelly for added protection against the elements. Also, the power front jacks with spring-loaded pins enhance the convenience, speed, and safety. The large, tinted windows come with a 80/20 UV prohibitors. Some hassle-free amenities include a 60k BTU on-demand water heater, porcelain foot flush toilet(s), tire pressure monitor system, and an electric leveling system! Inside, you'll enjoy stainless steel kitchen package, solid surface kitchen countertops, Beachside Sundance Congoleum linoleum, recessed residential lighting, and many more comforts!
Camper Kingdom
Meridian, MS
Sells faster than 100% of Mississippi RV dealers
Compared with 6 dealers in Mississippi
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