2026 Keystone Cougar 350LLK
This 2026 Keystone Cougar 350LLK is a luxury fifth wheel with a rear kitchen, four slide-outs, middle living room, front private bedroom, and strong extended-stay storage. It is a strong fit for buyers who want a Cougar fifth wheel with a more residential layout, better kitchen space, and the comfort needed for longer weekends or extended camping.
The rear luxury kitchen is one of the biggest advantages of this floorplan. It gives you wrap-around counter space, a large sink, dishwasher prep, solid surface countertops, and the appliance space needed for regular cooking. This layout works well for buyers who want a fifth wheel kitchen that feels more like a home kitchen than a basic RV cooking area.
The middle living room gives everyone a comfortable place to gather. The L-shaped sofa, fireplace, TV, 12V ceiling fan, and dinette with bench seating and chairs create a main room that works well for relaxing, movie nights, meals, or spending time inside during bad weather.
The four-slide design helps open up the kitchen, living area, and bedroom, giving this Cougar a spacious feel once it is set up. The full bath includes a shower with a seat and a large vanity counter, giving you more comfort and usable space for daily routines.
Up front, the private bedroom includes a queen bed slide-out, full-height wardrobe, pull-out laundry center, under-bed storage, and washer/dryer prep. That setup gives the owners strong clothing storage and better long-stay convenience.
Key features include rear luxury kitchen, four slide-outs, queen bed slide-out, front private bedroom, wrap-around kitchen counter space, large sink, dishwasher prep, solid surface countertops, middle living room, L-shaped sofa, fireplace, TV, 12V ceiling fan, dinette with bench seating and chairs, full bath, shower with a seat, large vanity counter, full-height wardrobe, pull-out laundry center, under-bed storage, washer/dryer prep, hardwood cabinet doors, Vent-All window system, 12V charging stations, dual-zone Bluetooth audio, on-demand water heater, convenience center, MaxTurn technology, Lippert axles with anti-lock braking system, and Curt Road Armor shock-absorbing equalizer.
For buyers looking for a Cougar fifth wheel with a true residential-style kitchen, comfortable living space, and strong bedroom storage, this 2026 Keystone Cougar 350LLK gives you the space and features that make extended weekends and longer stays easier.
Specifications
Length
39 ft 3 in
Sleeps
4 people
Slideouts
4
Unit features & options
- 75 Gallon Fresh Water Tank
- Washer/Dryer Prep (N/A 364BHL)
- Hidden Dresser Storage
- Extra-Wide Entry Step with Composite Step Treads
- Entry Door Privacy Shade
- Vent-All Window System
- On-Demand Water Heater
- 5-Sided Aluminum Superstructure
- AlphaPly roof membrane with Limited Lifetime Warranty
- Fully Walkable Roof and Slideout Roof
- Dual 30lb LP Tanks
- LP Quick Disconnect for Grilling - (All Models)
- Power Watchdog Safeview Smart RV Power Inlet: 50 Amp
- Washable PVC Sewer Hose Storage
- Dimmable Lights in Main Slide, Living Room & Bedroom
- Heat & Massage Theater Seats
- 50” High-Definition Smart TV
- Dual Zone Bluetooth Audio System
- Winegard 360 Plus w/ WIFI Prep, Satellite Pass-through
- 12V Charging Stations Throughout
- Power Vent w/ Rain Sensor in Kitchen
- 30” Residential Microwave Vents to Exterior
- Furrion 21” Oven w/ 3 Burner Cooktop & Oven Drawer
- Solid Surface Kitchen Countertops
Full specifications
Get more info
2026 Cougar 350LLK
Dealer information
2026 Keystone Cougar 350LLK
This 2026 Keystone Cougar 350LLK is a luxury fifth wheel with a rear kitchen, four slide-outs, middle living room, front private bedroom, and strong extended-stay storage. It is a strong fit for buyers who want a Cougar fifth wheel with a more residential layout, better kitchen space, and the comfort needed for longer weekends or extended camping.
The rear luxury kitchen is one of the biggest advantages of this floorplan. It gives you wrap-around counter space, a large sink, dishwasher prep, solid surface countertops, and the appliance space needed for regular cooking. This layout works well for buyers who want a fifth wheel kitchen that feels more like a home kitchen than a basic RV cooking area.
The middle living room gives everyone a comfortable place to gather. The L-shaped sofa, fireplace, TV, 12V ceiling fan, and dinette with bench seating and chairs create a main room that works well for relaxing, movie nights, meals, or spending time inside during bad weather.
The four-slide design helps open up the kitchen, living area, and bedroom, giving this Cougar a spacious feel once it is set up. The full bath includes a shower with a seat and a large vanity counter, giving you more comfort and usable space for daily routines.
Up front, the private bedroom includes a queen bed slide-out, full-height wardrobe, pull-out laundry center, under-bed storage, and washer/dryer prep. That setup gives the owners strong clothing storage and better long-stay convenience.
Key features include rear luxury kitchen, four slide-outs, queen bed slide-out, front private bedroom, wrap-around kitchen counter space, large sink, dishwasher prep, solid surface countertops, middle living room, L-shaped sofa, fireplace, TV, 12V ceiling fan, dinette with bench seating and chairs, full bath, shower with a seat, large vanity counter, full-height wardrobe, pull-out laundry center, under-bed storage, washer/dryer prep, hardwood cabinet doors, Vent-All window system, 12V charging stations, dual-zone Bluetooth audio, on-demand water heater, convenience center, MaxTurn technology, Lippert axles with anti-lock braking system, and Curt Road Armor shock-absorbing equalizer.
For buyers looking for a Cougar fifth wheel with a true residential-style kitchen, comfortable living space, and strong bedroom storage, this 2026 Keystone Cougar 350LLK gives you the space and features that make extended weekends and longer stays easier.
Specifications
Length
39 ft 3 in
Sleeps
4 people
Slideouts
4
Unit features & options
- 75 Gallon Fresh Water Tank
- Washer/Dryer Prep (N/A 364BHL)
- Hidden Dresser Storage
- Extra-Wide Entry Step with Composite Step Treads
- Entry Door Privacy Shade
- Vent-All Window System
- On-Demand Water Heater
- 5-Sided Aluminum Superstructure
- AlphaPly roof membrane with Limited Lifetime Warranty
- Fully Walkable Roof and Slideout Roof
- Dual 30lb LP Tanks
- LP Quick Disconnect for Grilling - (All Models)
- Power Watchdog Safeview Smart RV Power Inlet: 50 Amp
- Washable PVC Sewer Hose Storage
- Dimmable Lights in Main Slide, Living Room & Bedroom
- Heat & Massage Theater Seats
- 50” High-Definition Smart TV
- Dual Zone Bluetooth Audio System
- Winegard 360 Plus w/ WIFI Prep, Satellite Pass-through
- 12V Charging Stations Throughout
- Power Vent w/ Rain Sensor in Kitchen
- 30” Residential Microwave Vents to Exterior
- Furrion 21” Oven w/ 3 Burner Cooktop & Oven Drawer
- Solid Surface Kitchen Countertops
Full specifications
Get more info
2026 Cougar 350LLK
