2026 Forest River RiverStone 421FK
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.
Specifications
Length
45 ft
Dry weight
18,331 lbs
Sleeps
4 people
Slideouts
5
Unit features & options
- 3.7 CF oven with 4 burner range
- Upgraded Calcutta Solid Surface Countertop in kitchen
- Large Stainless Steel Kitchen Sinks with Residential-Style Faucet
- 18 CU. FT. French Door Refrigerator with Ice Maker
- Vinyl Flooring
- LED Lighting Throughout
- 30” Stainless Steel Microwave with Convection
- Oval Porcelain Toilet with Foot Flush
- Cordless Vacuum
- 40,000 BTU Furnace
- 10” Thick Memory Foam Mattress 72”x80” Standard
- Vinyl Flooring in Slideouts
- Day/Night Roller Shades Throughout
- 5200 BTU Fireplace in Living Room
- Solid Surface Sink Covers
- Overhead Storage Cabinets in Main Level Living Room
- Sofa/Desk Slides
- Residential Soft Close Hinges on Cabinet Doors
- Soft Close Drawer Glides
- Hardwood Dovetail Glides
- Under-bed Storage Compartment
- Solid Surface Backsplash
- Batten Insulation in Side Walls, Slideouts, Ceiling, and Floors
- 3/8" Roof Decking
Full specifications
Get more info
2026 RiverStone 421FK
Dealer information
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.
Specifications
Length
45 ft
Dry weight
18,331 lbs
Sleeps
4 people
Slideouts
5
Unit features & options
- 3.7 CF oven with 4 burner range
- Upgraded Calcutta Solid Surface Countertop in kitchen
- Large Stainless Steel Kitchen Sinks with Residential-Style Faucet
- 18 CU. FT. French Door Refrigerator with Ice Maker
- Vinyl Flooring
- LED Lighting Throughout
- 30” Stainless Steel Microwave with Convection
- Oval Porcelain Toilet with Foot Flush
- Cordless Vacuum
- 40,000 BTU Furnace
- 10” Thick Memory Foam Mattress 72”x80” Standard
- Vinyl Flooring in Slideouts
- Day/Night Roller Shades Throughout
- 5200 BTU Fireplace in Living Room
- Solid Surface Sink Covers
- Overhead Storage Cabinets in Main Level Living Room
- Sofa/Desk Slides
- Residential Soft Close Hinges on Cabinet Doors
- Soft Close Drawer Glides
- Hardwood Dovetail Glides
- Under-bed Storage Compartment
- Solid Surface Backsplash
- Batten Insulation in Side Walls, Slideouts, Ceiling, and Floors
- 3/8" Roof Decking
Full specifications
Get more info
2026 RiverStone 421FK
