2026 Forest River RiverStone 421FK - R005387
For Sale in Middlebury, IN.

Price: $219,529

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Sale!
  • PRIMARY INFORMATION

  • Stock #R005387
  • Year2026
  • ManufacturerForest River
  • MakeForest River
  • ModelRiverStone
  • Floorplan421FK
  • TypeFifth Wheel
  • ConditionNew
  • Length44' 0"
  • VIN4X4FRS836T0005387
  • Price$219,529.00
  • Sale Price$154,995.00
  • SPECS

  • Sleeps4
  • Water Capacity (Fresh)79 gal
  • Water Capacity (Black)40 gal
  • Water Capacity (Grey)120 gal
  • GVWR24,000 lbs
  • Slideouts6
  • Tow/Hitch Weight3,635 lbs

Description


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Forest River RiverStone 421FK Fifth Wheel for Sale in Middlebury, IN

If you're searching for a luxury fifth wheel in Indiana with a residential front kitchen layout and high-end amenities, the Forest River RiverStone 421FK is a top-tier choice. Available now at Royal RV Center in Middlebury, IN, this model is built for full-time living, extended stays, and ultimate comfort.

Front Kitchen with Residential Design

The front kitchen layout offers a true home-like cooking experience:

  • Large kitchen island with prep space
  • Three-burner cooktop
  • Dishwasher for easy cleanup
  • High-top dinette with bar stools overlooking the living area
  • Plenty of cabinetry and storage

Spacious Living Area

Relax in the center living room featuring:

  • Theater seating across from the entertainment center
  • E-Z Glide sofa bed for additional sleeping
  • Fireplace and 65" Samsung Smart TV
  • Open layout perfect for entertaining

Private Rear Bedroom Retreat

Enjoy a comfortable and quiet space with:

  • 72" x 80" king bed slide
  • Large rear wardrobe
  • Dresser with 40" LED TV
  • Stackable washer and dryer

Spa-Like Bathroom

The full bathroom includes:

  • Dual vanity sinks
  • Spacious shower
  • Plenty of storage for linens and essentials

Work-From-Anywhere Ready

A dedicated desk slide provides space to work remotely while traveling.

Built for Luxury & Full-Time Living

  • Six-point hydraulic auto-leveling system
  • LCI Road Armour suspension
  • Dual-pane frameless windows
  • Full docking station

Smart Technology & Off-Grid Capability

  • BMPro touch control system
  • TravlFi 4G/LTE router with WiFi extender
  • 200W solar panel
  • Prep for four-camera observation system

High-End Residential Features

  • Fisher Paykel dishwasher
  • Premium appliances and finishes
  • Designed for long-term comfort and durability

Available at Royal RV Center

Visit Royal RV Center in Middlebury, Indiana, proudly serving Indiana, Michigan, Ohio, and beyond, to explore the Forest River RiverStone 421FK fifth wheel and experience luxury living wherever your travels take you.   

  • Front Kitchen
  • Kitchen Island
  • Rear Bedroom
Royal RV Center

14441 US HWY 20
Middlebury, Indiana


Contact Royal RV Center


Features

Exterior

  • Slideout

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