• Price
  • To
  • Length
  • To
  • Dry Weight
  • To
  • Mileage
  • To
  • Sleeping Capacity
  • To

View New & Used Keystone RVs for Sale in or near Boulder, Colorado

79 listings match your search

Find your perfect Keystone rv for sale from the search results below. Contact a member to gain further information. Let our member network help you find your dream unit so you can further enjoy the rv lifestyle!
Used 2023 Keystone Cougar Half-Ton 23MLE available in Wheat Ridge, Colorado
29

Used 2023 Keystone Cougar Half-Ton 23MLE

Used Fifth Wheel in Wheat Ridge, Colorado 80033

For Sale by Blue Compass RV Wheat Ridge

The2023KeystoneCougar23MLEspecificationsinclude: Length:Approximately28feet. Weight:Dryweightaround6,000lbs. SleepingCapacity:Upto4people. Features:Rearkitchenlayout,L-shapedkitchenwithamplecounterspace,tanklesswaterheater,andan exteriorkitchenwithafridge. ...

    $48,995

      New 2026 Keystone Cougar 2700BH available in Longmont, Colorado
      32

      New 2026 Keystone Cougar 2700BH

      New Fifth Wheel in Longmont, Colorado 80504

      For Sale by General RV Center

      Discover the 2026 Keystone Cougar Sport 2700BH, a travel trailer designed to make every adventure memorable. With a length of just over 32 feet, this RV is spacious enough to comfortably accommodate up to nine people. The layout is perfect for families or ...

      • Sale

      $42,950

        New 2026 Keystone Avalanche 321RL available in Longmont, Colorado
        31

        New 2026 Keystone Avalanche 321RL

        New Fifth Wheel in Longmont, Colorado 80504

        For Sale by General RV Center

        Experience the ultimate in luxury and comfort with the 2025 Keystone Avalanche 321RL. This exquisite fifth wheel is designed to make every journey memorable, boasting a spacious interior that comfortably sleeps four. The master bedroom features a plush kin ...

        • Sale

        $75,495

          New 2026 Keystone Springdale 1200BT available in Longmont, Colorado

          New 2026 Keystone Springdale 1200BT

          New Travel Trailer in Longmont, Colorado 80504

          For Sale by General RV Center

          Keystone Springdale Mini travel trailer 1200BT highlights: -Full-Size Bed -Exterior Pass-Thru Storage -3.3 Cu. Ft. 12V Refrigerator -Bar Table This lightweight travel trailer is perfect for a couple. You'll enjoy the front full-size bed, with a shelf above ...

            Get Price

              New 2025 Keystone Avalanche 366LS available in Longmont, Colorado
              29

              New 2025 Keystone Avalanche 366LS

              New Fifth Wheel in Longmont, Colorado 80504

              For Sale by General RV Center

              Experience the pinnacle of luxury and comfort with the 2025 Keystone Alpine 366LS. This exquisite fifth wheel is designed to elevate your adventures with its spacious and well-thought-out floorplan. The rear kitchen, equipped with a full-size electric refr ...

              • Sale

              $79,999

                New 2026 Keystone Springdale 1200BT available in Longmont, Colorado
                22

                New 2026 Keystone Springdale 1200BT

                New Travel Trailer in Longmont, Colorado 80504

                For Sale by General RV Center

                Keystone Springdale Mini travel trailer 1200BT highlights: -Full-Size Bed -Exterior Pass-Thru Storage -3.3 Cu. Ft. 12V Refrigerator -Bar Table This lightweight travel trailer is perfect for a couple. You'll enjoy the front full-size bed, with a shelf above ...

                • Sale

                $9,999

                  Used 2023 Keystone Montana HC 331RL available in Longmont, Colorado
                  39

                  Used 2023 Keystone Montana HC 331RL

                  Used Fifth Wheel in Longmont, Colorado 80504

                  For Sale by General RV Center

                  Experience the perfect blend of luxury and practicality with the 2023 Keystone Montana High Country 331RL. This stunning fifth wheel offers a spacious layout designed for ultimate comfort, making it the ideal home away from home. With a length of over 37 f ...

                  • Sale

                  $49,999

                    New 2026 Keystone Alpine 3910RK available in Longmont, Colorado
                    35

                    New 2026 Keystone Alpine 3910RK

                    New Fifth Wheel in Longmont, Colorado 80504

                    For Sale by General RV Center

                    This luxury fifth wheel has everything you're looking for in a home away from home - including a bath and a half floor plan and dual entrys. A crackling fireplace and a Super Cinema 65" LED Smart TV set the stage for the living area with Thomas Payne furni ...

                    • Sale

                    $100,995

                      New 2026 Keystone Springdale 1200BT available in Longmont, Colorado

                      New 2026 Keystone Springdale 1200BT

                      New Travel Trailer in Longmont, Colorado 80504

                      For Sale by General RV Center

                      Keystone Springdale Mini travel trailer 1200BT highlights: -Full-Size Bed -Exterior Pass-Thru Storage -3.3 Cu. Ft. 12V Refrigerator -Bar Table This lightweight travel trailer is perfect for a couple. You'll enjoy the front full-size bed, with a shelf above ...

                        Get Price

                          New 2026 Keystone Cougar 22RBS available in Longmont, Colorado
                          22

                          New 2026 Keystone Cougar 22RBS

                          New Travel Trailer in Longmont, Colorado 80504

                          For Sale by General RV Center

                          Experience the perfect blend of style and functionality with the 2025 Keystone Cougar Half-Ton 22RBS. This RV is designed for those who crave adventure without sacrificing comfort. At just under 26 feet in length, it offers a spacious and inviting interior ...

                          • Sale

                          $39,950

                            New 2025 Keystone Avalanche 390DS available in Longmont, Colorado
                            44

                            New 2025 Keystone Avalanche 390DS

                            New Fifth Wheel in Longmont, Colorado 80504

                            For Sale by General RV Center

                            Discover the ultimate in luxury and functionality with the 2025 Keystone Avalanche 390DS. This fifth wheel is designed for those who seek adventure without sacrificing comfort. With its spacious layout, its perfect for families or groups, offering a remark ...

                            • Sale

                            $111,408

                              Used 2021 Keystone Coleman 17R available in Longmont, Colorado
                              24

                              $10,981

                                Used 2020 Keystone Passport 2600BHWE GT Series available in Wheat Ridge, Colorado
                                20

                                Used 2020 Keystone Passport 2600BHWE GT Series

                                Used Travel Trailer in Wheat Ridge, Colorado 80033

                                For Sale by Blue Compass RV Wheat Ridge

                                There's plenty of room in this 2020 Keystone Passport 2600BH. Full size bunk beds, queen bed in the main suite and a large U-Shaped dinette provide plenty of sleep space. Complete with an outdoor kitchen! Enjoy relaxing under the power awning with LED ligh ...

                                  $24,995

                                    New 2025 Keystone Springdale 1810BH available in Longmont, Colorado
                                    16

                                    New 2025 Keystone Springdale 1810BH

                                    New Travel Trailer in Longmont, Colorado 80504

                                    For Sale by General RV Center

                                    ## Keystone Springdale Classic Mini travel trailer 1810BH highlights - Booth Dinette Slide - Fold-Down Sofa - Rear Corner Bath - Queen Murphy Bed - Pass-Thru Storage This cute Springdale Classic Mini bunk model will easily sleep seven with the double-size ...

                                    • Sale

                                    $19,999

                                      New 2026 Keystone Springdale 1200BT available in Longmont, Colorado

                                      New 2026 Keystone Springdale 1200BT

                                      New Travel Trailer in Longmont, Colorado 80504

                                      For Sale by General RV Center

                                      Keystone Springdale Mini travel trailer 1200BT highlights: -Full-Size Bed -Exterior Pass-Thru Storage -3.3 Cu. Ft. 12V Refrigerator -Bar Table This lightweight travel trailer is perfect for a couple. You'll enjoy the front full-size bed, with a shelf above ...

                                        Get Price

                                          New 2026 Keystone Cougar 2100RK available in Longmont, Colorado
                                          27

                                          New 2026 Keystone Cougar 2100RK

                                          New Fifth Wheel in Longmont, Colorado 80504

                                          For Sale by General RV Center

                                          Experience the perfect blend of comfort and adventure with the 2026 Keystone Cougar Sport 2100RK. This travel trailer is thoughtfully designed to cater to your every need while on the road. At 26.25 feet in length, it offers a spacious and inviting interio ...

                                          • Sale

                                          $39,950

                                            New 2026 Keystone Cougar 350LLK available in Longmont, Colorado
                                            29

                                            New 2026 Keystone Cougar 350LLK

                                            New Fifth Wheel in Longmont, Colorado 80504

                                            For Sale by General RV Center

                                            **2026 Keystone Cougar 350LLK Highlights:** - Rear Kitchen with Luxury Appliances - L-Shaped Sofa with Recliners - Private Front Bedroom - Four Slide-Outs for Extra Space - Two Power Awnings Experience the road like never before with the 2026 Keystone Coug ...

                                            • Sale

                                            $74,950

                                              New 2026 Keystone Avalanche 302RS available in Longmont, Colorado
                                              31

                                              New 2026 Keystone Avalanche 302RS

                                              New Fifth Wheel in Longmont, Colorado 80504

                                              For Sale by General RV Center

                                              Keystone Alpine Avalanche Edition fifth wheel 302RS highlights: King Bed Kitchen Island Fireplace Hide-a-Bed Sleeper Outside Kitchen For the couple that enjoys entertaining, this fifth wheel is sure to catch your eye! Triple slides open up the interior to ...

                                              • Sale

                                              $72,995

                                                New 2026 Keystone Cougar 316RLS available in Longmont, Colorado
                                                31

                                                New 2026 Keystone Cougar 316RLS

                                                New Fifth Wheel in Longmont, Colorado 80504

                                                For Sale by General RV Center

                                                Experience the perfect blend of luxury and functionality with the 2026 Keystone Cougar 316RLS. This fifth wheel is designed to cater to your adventurous spirit while providing the comforts of home. With its spacious interior and thoughtful layout, you'll f ...

                                                • Sale

                                                $79,950

                                                  New 2025 Keystone Springdale 1700FQ available in Longmont, Colorado
                                                  16

                                                  New 2025 Keystone Springdale 1700FQ

                                                  New Travel Trailer in Longmont, Colorado 80504

                                                  For Sale by General RV Center

                                                  Experience the perfect blend of comfort and convenience with the 2025 Keystone Springdale Classic 1700FQ. This charming travel trailer is designed for those who appreciate a cozy yet functional space. With a length of just under 21 feet, it's compact enoug ...

                                                  • Sale

                                                  $13,999

                                                    New 2026 Keystone Cougar 28RLI available in Longmont, Colorado
                                                    30

                                                    New 2026 Keystone Cougar 28RLI

                                                    New Fifth Wheel in Longmont, Colorado 80504

                                                    For Sale by General RV Center

                                                    Keystone Cougar Half-Ton fifth wheel 28RLI highlights: Kitchen Island Opposing Slides King Bed Theater Seating Tri-Fold Sleeper Sofa Two Electric Awnings You will have the time of your life in this Cougar Half-Ton fifth wheel! There is so much comfort with ...

                                                      $78,464

                                                        New 2026 Keystone Springdale 1300BH available in Longmont, Colorado
                                                        23

                                                        New 2026 Keystone Springdale 1300BH

                                                        New Travel Trailer in Longmont, Colorado 80504

                                                        For Sale by General RV Center

                                                        This lightweight travel trailer is perfect for four happy campers. You'll enjoy the front full-size bed, while your guests or little ones take the 28" x 74" bunk beds. There is also a shelf above the bed to keep your things organized. A private bath includ ...

                                                        • Sale

                                                        $9,999

                                                          New 2026 Keystone Cougar 320RDS available in Longmont, Colorado
                                                          30

                                                          New 2026 Keystone Cougar 320RDS

                                                          New Fifth Wheel in Longmont, Colorado 80504

                                                          For Sale by General RV Center

                                                          Keystone Cougar fifth wheel 320RDS highlights: Triple Slide Outs Rear Den/Living Area 16 Cu. Ft. 12V Refrigerator Front Private Bedroom Shower with a Seat 12V Ceiling Fan Time at the campground will be spent in comfort thanks to this fifth wheel that can s ...

                                                          • Sale

                                                          $80,950

                                                            New 2026 Keystone Cougar 30BHS available in Longmont, Colorado
                                                            31

                                                            New 2026 Keystone Cougar 30BHS

                                                            New Travel Trailer in Longmont, Colorado 80504

                                                            For Sale by General RV Center

                                                            Experience the perfect blend of comfort and adventure with the 2026 Keystone Cougar Half-Ton 30BHS. This RV is designed to be your home away from home, featuring a spacious layout that comfortably sleeps up to ten people. With two double beds, a king bed, ...

                                                            • Sale

                                                            $47,950

                                                              Some text as placeholder. In real life you can have the elements you have chosen. Like, text, images, lists, etc.