2026 Keystone RV Montana 3123RL

Vehicle Photo
  • MSRP: $125,628
  • Dealer Discount: $31,651
  • Finance Incentive: $4,000
  • Sale Price: $89,977
  • As Low As: $602 /mo (Edit)
Stock #: 21170542
Tampa, FL
  • Available
  • New
  • Class: Fifth Wheel
  • Length: 0 ft
  • Slides: 3
  • Dry Weight: 12,881
  • Sleeps: 4

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  • Front Bedroom
  • Kitchen Island
  • Rear Living Area
Floorplan
  • Available Beds King
  • Exterior Height 13 ft 4in
  • Exterior Width 8 ft
  • Pin Weight 2,580 lbs
  • Gross Weight 16,580 lbs
  • Dry Weight 12,881 lbs
  • Tire Size ST235/80R16G
  • Axle Count 2
  • Fresh Water Capacity 70 gal
  • Grey Water Capacity 88 gal
  • Black Water Capacity 49 gal
  • Furnace BTU 35,000
  • Refrigerator Type Residential w/ Ice maker
  • Refrigerator Size 18
  • Convection Cooking Yes
  • Cooktop Burners 3
  • Shower Size 48"" x 30
  • Shower Type Shower w/Seat
  • Number of Awnings 2
  • Electrical Service 50 amps
  • Washer/Dryer Available Yes
  • TV Info LR 50"" Smart TV, BR 32"" LCD TV

Experience luxury, space, and unmatched adventure-ready design with the all-new 2026 Keystone RV Montana 3123RL, a fifth-wheel RV crafted for travelers who want residential comfort and premium features while exploring the open road. Designed for couples or families who crave spacious interiors, high-end amenities, and effortless towing, the Montana 3123RL turns every campground into a home-away-from-home while making your RV lifestyle more convenient and enjoyable.

The Keystone Montana 3123RL offers a rear living floorplan, creating a wide-open interior that balances comfort with functionality. A large slide-out expands the main living area, providing room for a plush sofa, theater seating options, and a freestanding dinette. Large panoramic windows fill the space with natural light and stunning views, giving the interior a bright, welcoming feel while connecting you to the beauty of your surroundings.

At the heart of the Montana 3123RL is a gourmet-style kitchen, featuring solid surface countertops, a three-burner cooktop, microwave, and a residential refrigerator. Ample cabinetry, a pantry, and counter space make cooking and meal prep easy and enjoyable on the road. Whether you’re preparing quick breakfasts or full family dinners, this kitchen is equipped to handle every culinary need with style and efficiency.

The private front bedroom provides a peaceful retreat with a queen bed, wardrobe storage, and overhead cabinets, offering a cozy space to rest and recharge. Additional sleeping options are available with convertible seating in the living area, making the Montana 3123RL versatile enough to accommodate family or guests comfortably.

The full bathroom is thoughtfully designed with a residential-style shower, vanity, and linen storage, ensuring convenience and comfort no matter where your travels take you. Premium finishes and durable materials throughout the interior provide long-lasting quality and a modern, stylish aesthetic.

Outdoor living is just as impressive with the 2026 Montana 3123RL. A large power awning creates a comfortable shaded space for outdoor relaxation and dining, while exterior storage compartments give you plenty of room for camping gear and essentials. Designed for both traditional campgrounds and off-grid adventures, the Montana 3123RL is built to handle extended travel with ease.

Comfort is prioritized year-round with ducted air conditioning, a reliable furnace, and high-quality insulation that help maintain an ideal interior climate regardless of the weather outside. Keystone’s attention to construction and detail ensures that every journey is smooth, comfortable, and worry-free.

Why choose the 2026 Keystone RV Montana 3123RL? It delivers the perfect blend of residential comfort, smart design, and premium features in a towable package built for adventure. From its rear living layout and gourmet kitchen to the private bedroom and outdoor enhancements, every detail is designed to maximize your enjoyment on the road.

When purchasing from Lazydays RV powered by Campers Inn RV, you’re choosing a trusted partner for your RV lifestyle. With a wide selection of new and pre-owned RVs, competitive pricing, and a knowledgeable team ready to guide you, finding your perfect RV is simple and stress-free. Flexible financing options and dedicated service support ensure your investment stays road-ready for years to come.

Choosing Lazydays RV powered by Campers Inn RV means more than buying a fifth-wheel—it means gaining a partner committed to your adventures. Their expert guidance, c

†Lazydays strives to ensure the accuracy of the information provided on this website. However, actual products, programs and services may differ materially from those on this site. Lazydays is not responsible for errors made in stated pricing or specifications. Specifications and availability subject to change without notice. Price, length, weight, or any other specifications cannot be relied upon. Buyers should verify and confirm all claims made on the website. Sale price includes all manufacturer discounts and rebates. All prices listed on this site exclude tax, tags and title fees. Applicable government fees, state taxes, dealer fees and emissions testing charges will be added to comply with state vehicle codes. Freight and prep costs are additional and vary by state. Contact Lazydays for complete details.

*90 Days – Payments can be deferred for 90 days with approved credit. Interest accrues from contract date. Financing terms subject to lender approval. Not valid with other offers. Actual products, programs and services may differ materially from those on this site. Lazydays is not responsible for errors made in stated pricing. Specifications and availability subject to change without notice. Document fees vary by location. See dealership for complete details.

**Lazydays believes the specifications on this site supplied by the manufacturer to be correct at the time posted. However, specifications, standard equipment, model availability, options, fabrics, and colors are subject to change without notice. Some equipment may be unavailable when a vehicle is built. Some vehicles are pictured with options, which may be available at extra cost or may not be available on some models. You should verify the equipment that is on all vehicles. If a new vehicle shown on this website is subject to an open safety recall, Lazydays cannot deliver the vehicle to you until the recall repair is completed. This is a requirement of federal law.

***The advertised discount contains a $4,000 finance incentive. Finance Incentive applies if financing for your RV purchase is obtained with assistance by Lazydays and placed with a third party lender. Terms and Conditions may apply. Contact our finance department for further details.

****Margaritaville offer valid for a limited time only at Lazydays RV of Tampa. Customers who purchase a new RV or complete a qualified service appointment (appointment must be booked and customer must show for the appointment) are eligible to receive a complimentary 3-day, 2-night stay at Camp Margaritaville RV Resort of Auburndale. Offer valid while supplies last. Promotion is non-transferable, has no cash value, and cannot be combined with other offers or promotions. Limit one promotional stay per customer, per transaction. Resort stay subject to availability and blackout dates may apply. Resort reservation must be made within 30 days of RV purchase or completed service appointment. Valid for Florida residents and legal U.S. residents only, 18 years or older. Additional terms and conditions may apply. Lazydays RV of Tampa reserves the right to modify or cancel this promotion at any time without notice. Void where prohibited by law.