Used 2022 Keystone RV Alpine 3700FL Fifth Wheel

The Alpine 3700FL surrounds you with space, comfort, and upscale features—perfect for extended stays, entertaining guests, or simply enjoying the journey in style.
Bath and Half Bed King
2022 3700FL Features and Options

USED 2022 Keystone Alpine 3700FL Fifth Wheel – Elevated Luxury for Extended Adventures

Step into a fifth wheel designed for those who crave residential luxury while chasing new horizons. The Alpine 3700FL surrounds you with space, comfort, and upscale features—perfect for extended stays, entertaining guests, or simply enjoying the journey in style.

Highlights & Key Features

  • Front Living Room Layout – Separate elevated lounge with dual tri-fold sofas and theater seating
  • Bath and a Half – Added convenience for guests and everyday living
  • King Bed Master Suite – Slide-out king bed with underbed storage and full rear bath access
  • Dual Sink Vanity – Spacious rear bathroom designed for two
  • Kitchen Island – Ideal for meal prep, entertaining, and added counter space
  • Free-Standing Dinette – Residential-style dining for meals, work, or game nights
  • Fireplace & 50" TV – Cozy entertainment center for relaxing evenings
  • Heated Basement Storage – Protect gear and extend your camping season
  • Hitch Vision System – Easier, safer hitching for stress-free travel days

Luxury Living on the Road
The front living area creates a true residential feel with opposing slides, plush seating, and a full entertainment setup—perfect for movie nights or hosting friends. Meanwhile, the kitchen sits at the heart of the coach, offering everything you need to prepare meals just like home.

Private Master Retreat
At the rear, your master suite becomes a sanctuary. Enjoy a king bed, ample storage, and direct access to a spa-like bathroom complete with dual sinks, a seated shower, and washer/dryer prep—ideal for long-term travel.

Built for Comfort & Durability

  • 100" wide-body construction for maximum interior space
  • Tall slide-outs and high ceilings for an open, airy feel
  • Tru-Fit slide construction for durability and leak resistance
  • Panoramic frameless windows for natural light and views
  • In-floor ducted heat system for efficient airflow
  • Color-coded 12V wiring for easier maintenance and service

What Makes This RV Stand Out Above the Rest
The Alpine 3700FL stands out with its true residential front living layout combined with a bath-and-a-half design—offering both luxury and practicality for full-time RVers or extended travelers. It’s a rare blend of entertainment space, privacy, and high-end comfort all in one coach.

Why Buy From Campers Inn RV
Campers Inn RV is dedicated to helping you find the right RV for your lifestyle. With experienced RV professionals, a wide selection of quality units, and continued support after the sale, you can travel with confidence wherever the road leads.

 

Spacious, refined, and built for life on the road—the Alpine 3700FL is ready to turn every trip into a first-class experience.

What Our Customers Are Saying

Fantastic service and support!

Fantastic service and support. Jim and Mike know RVs and even more important know the industry and all the conditions that are affecting RV sales. In addition, RV Kountry went above any beyond when it comes to the sale of my coach. They coordinated battery replacements and other repairs. I would highly recommend RV Kountry. Thanks for all your help. - Greg
Price: $64,790
You Save: $4,891
Sale Price: $59,899
Campers Inn
Location: Mesa, AZ
Stock# 114756A


2022 3700FL Specifications
Sleeps 6
Slides 5
Length 41 ft 6 in
Ext Width 8 ft 4 in
Ext Height 13 ft 4 in
Hitch Weight 2775 lbs
Dry Weight 13944 lbs
Cargo Capacity 2556 lbs
Fresh Water Capacity 54 gals
Grey Water Capacity 78 gals
Black Water Capacity 78 gals
Tire Size ST235/80R16G
Furnace BTU 40000 btu
Available Beds King
Refrigerator Type Gas/Electric
Refrigerator Size 18 cu ft
Convection Cooking Yes
Cooktop Burners 3
Number of Awnings 2
Axle Weight 7000 lbs
LP Tank Capacity 30 lbs
Water Heater Type On Demand
AC BTU 30000 btu
TV Info LR 50" LED TV, BR TV
Awning Info 14' and 14' Carefree with Adjustable Arms
Axle Count 2
Washer/Dryer Available Yes
Number of LP Tanks 2
Shower Type Shower w/Seat
Electrical Service 50 amp
VIN 4YDFALU21NE780568
For more information Contact Us
Similar RVs and Floorplans

Loading

www.usedrvsforsale.com is not responsible for any misprints, typos, or errors found in our website pages. Any price listed excludes sales tax, registration tags, and delivery fees. Manufacturer-provided pictures, specifications and features may be used as needed. Inventory shown may be only a partial listing of the entire inventory. Please contact us at 800-515-9672 for availability as our inventory changes rapidly. All calculated payments are an estimate only and do not constitute a commitment that financing or a specific interest rate or term is available.

Manufacturer and/or stock photographs may be used and may not be representative of the particular unit being viewed. Where an image has a stock image indicator, please confirm specific unit details with your dealer representative.

UsedRVsForSale.com is not responsible for any misprints, typos, or errors found in our website pages. Any price listed is the responsibility of the seller. Contact the seller to confirm any prices as they can change without notice.