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

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

24 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 2021 Keystone Cougar HALF TON 25DBSWE available in Longmont, Colorado
30

Used 2021 Keystone Cougar HALF TON 25DBSWE

Used Travel Trailer in Longmont, Colorado 80504

For Sale by General RV Center

Keystone Cougar Half-Ton travel trailer 25DBSWE highlights: Flip-Up Bunk Private Bedroom Outdoor Kitchen Bunk Ladder U-Shaped Dinette Look no further because this Cougar Half-Ton travel trailer has what you want! With a rear cargo door and pass-through sto ...

  • Sale

$23,995

    Used 2018 Keystone Cougar 32BHS available in Longmont, Colorado
    46

    $24,999

      Used 2017 Keystone Cougar 326RDS available in Longmont, Colorado
      32

      Used 2017 Keystone Cougar 326RDS

      Used Fifth Wheel in Longmont, Colorado 80504

      For Sale by General RV Center

      If you enjoy time away from home, you will love your time away in this Keystone Cougar 326RDS fifth wheel. This model features quad slides, a rear entertainment center, and plenty of room to entertain guests. As you enter the fifth wheel, to your left ther ...

      • Sale

      $24,980

        Used 2020 Keystone Bullet 290BHS available in Longmont, Colorado
        28

        Used 2020 Keystone Bullet 290BHS

        Used Travel Trailer in Longmont, Colorado 80504

        For Sale by General RV Center

        You will love how accommodating this Bullet travel trailer is! Because this unit can sleep nine people, it is a great option for those who travel with large families or like to host big weekend parties, and the front private bedroom will give you a place t ...

        • Sale

        $19,999

          Used 2022 Keystone Montana 3231ck available in Longmont, Colorado
          27

          Used 2022 Keystone Montana 3231ck

          Used Fifth Wheel in Longmont, Colorado 80504

          For Sale by Blue Compass RV Longmont

          Keystone Montana fifth wheel 3231CK highlights: Kitchen Island Fireplace Hide-A-Bed Sofa Dual-Sink Vanity Under-Bed Storage Residential Refrigerator This Montana fifth wheel is absolutely amazing, and it will be extremely useful when it comes time for anot ...

            $55,997

              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

              $53,995

                Used 2021 Keystone Fuzion 430 available in Longmont, Colorado
                53

                Used 2021 Keystone Fuzion 430

                Used Fifth Wheel in Longmont, Colorado 80504

                For Sale by General RV Center

                Your family will love this spacious toy hauler that can sleep six people each night. The triple slides will provide added space to move about freely, and the bath and a half will be a big plus when camping with a larger group. Prepare all your meals on the ...

                • Sale

                $58,988

                  Used 2014 Keystone Fuzion 342 available in Longmont, Colorado
                  46

                  Used 2014 Keystone Fuzion 342

                  Used Fifth Wheel in Longmont, Colorado 80504

                  For Sale by General RV Center

                  A place for the toys to travel securely also becomes additional living space in this Fuzion 342 toy hauler fifth wheel by Keystone RV. Enter the 8' rear ramp door to make loading a breeze into the 12' cargo garage which includes a side man door also. You c ...

                  • Sale

                  $34,995

                    Used 2020 Keystone Passport 267BH SL Series available in Wheat Ridge, Colorado
                    20

                    Used 2020 Keystone Passport 267BH SL 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 ...

                      $27,714

                        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. ...

                          $43,995

                            Used 2015 Keystone Cougar X-LITE 25RKS available in Longmont, Colorado
                            29

                            Used 2015 Keystone Cougar X-LITE 25RKS

                            Used Travel Trailer in Longmont, Colorado 80504

                            For Sale by General RV Center

                            This Cougar X-Lite fifth wheel features a rear kitchen, a single slide, and more! As you enter model 25RKS notice the kitchen conveniently located in the rear of the unit. There is a refrigerator just inside the door, plus enjoy a three burner range, doubl ...

                            • Sale

                            $12,888

                              Used 2024 Keystone Avalanche 3102rl available in Longmont, Colorado
                              21

                              $56,997

                                Used 2019 Keystone Sprinter Campfire Edition 32FWBH available in Longmont, Colorado
                                28

                                Used 2019 Keystone Sprinter Campfire Edition 32FWBH

                                Used Fifth Wheel in Longmont, Colorado 80504

                                For Sale by Blue Compass RV Longmont

                                Keystone Sprinter Campfire Edition fifth wheel 32FWBHhighlights: Private Bunkhouse Bath and a Half Kitchen Peninsula Outside Kitchen Power Stabilizer Jacks Just imagine this Sprinter Campfire Edition fifth wheel loaded up for the three-day weekend starting ...

                                  $28,995

                                    Used 2024 Keystone Alpine Avalanche Edition 321RL available in Greeley, Colorado
                                    18
                                    1

                                    Used 2024 Keystone Alpine Avalanche Edition 321RL

                                    Used Fifth Wheel in Greeley, Colorado 80634

                                    For Sale by TGORV

                                    Keystone Alpine Avalanche Edition fifth wheel 321RL highlights: King Bed Kitchen Island Fireplace Hide-a-Bed Sleeper Theater Seating For the couple that loves to travel, you will truly enjoy this spacious fifth wheel featuring triple slides with dual oppos ...

                                      $69,995

                                        Used 2021 Keystone Passport 2210RB GT Series available in Greeley, Colorado
                                        18

                                        Used 2021 Keystone Passport 2210RB GT Series

                                        Used Travel Trailer in Greeley, Colorado 80634

                                        For Sale by TGORV

                                        Keystone Passport travel trailer 2210RBGT Series highlights: Breakfast Bar Vaulted Ceiling U-Shaped Dinette Full Bathroom USB Charging Ports Imagine taking all of your gear to the campsite with ease thanks to the several storage areas throughout this Passp ...

                                        • Sale

                                        $20,995

                                          Used 2018 Keystone Raptor 353TS available in Greeley, Colorado
                                          180
                                          1

                                          Used 2018 Keystone Raptor 353TS

                                          Used Toy Hauler in Greeley, Colorado 80634

                                          For Sale by Pop RVs

                                          Stock #451436 - 2018 Keystone Raptor 353TS, 13' garage with rear deck, 3 awnings and priced to sell!This 2018 Keystone Raptor 353TS is a spacious fifth-wheel trailer with a 13-foot garage designed for those who love adventure and the great outdoors. The Ra ...

                                          • Sale
                                          • Consignment
                                          • Reduced

                                          $61,000

                                            Used 2011 Keystone Montana Mountaineer 345DBQ available in Golden, Colorado
                                            33

                                            Used 2011 Keystone Montana Mountaineer 345DBQ

                                            Used Fifth Wheel in Golden, Colorado 80401

                                            For Sale by National Vehicle

                                            2011 Keystone Montana Mountaineer 345DBQ 36' 6" 5th Wheel. 4 Slide Outs, Awning, A/C Unit, Sleeps 8.The 2011 Keystone Montana Mountaineer 345DBQ is the perfect fifth wheel for families or travelers who want space, comfort, and luxury on the road. Built wit ...

                                              $15,999

                                                Used 2021 Keystone Avalanche 322RL available in Greeley, Colorado
                                                24

                                                Used 2021 Keystone Avalanche 322RL

                                                Used Fifth Wheel in Greeley, Colorado 80634

                                                For Sale by TGORV

                                                Keystone Avalanche fifth wheel 322RLhighlights: Hide-A-Bed Sofa Sleeper Theater Seating Kitchen Island Fireplace 18 Cubic Foot Refrigerator You and your family of four will love the spacious rear living area and mid-kitchen with dual opposing slides, a hid ...

                                                • Sale

                                                $41,995

                                                  Used 2021 Keystone Alpine 3220RL available in Aurora, Colorado
                                                  61
                                                  1

                                                  Used 2021 Keystone Alpine 3220RL

                                                  Used Fifth Wheel in Aurora, Colorado 80014

                                                  For Sale by Pop RVs

                                                  Stock #465835 - Opposing slides! Beautifully maintained! Large Kitchen Island and Fireplace.Step into residential-style comfort with the 2021 Keystone Alpine 3220RL, a fifth wheel designed for extended stays and full-time RV living. At over 36 feet in leng ...

                                                  • Sale
                                                  • Consignment
                                                  • Reduced

                                                  $48,800

                                                    Used 2022 Keystone Alpine 3220RL available in Bailey, Colorado
                                                    9

                                                    Used 2022 Keystone Alpine 3220RL

                                                    Used Fifth Wheel in Bailey, Colorado 80421

                                                    For Sale by Pop RVs

                                                    Stock #468507 - Good and Clean Condition! Well Maintained! Original Owner! Includes Solar!Step into residential-style comfort with this 2022 Keystone Alpine 3220RL located in Bailey, Colorado.This fifth wheel is designed for extended stays and full-time RV ...

                                                    • Consignment

                                                    $50,000

                                                      Used 2021 Keystone Cougar 26RBS available in Erie, Colorado
                                                      38

                                                      Used 2021 Keystone Cougar 26RBS

                                                      Used Travel Trailer in Erie, Colorado 80516

                                                      For Sale by National Vehicle

                                                      2021 Keystone Cougar 26RBS 29' Travel Trailer. Slide Out, Awning, Sleeps 4, A/C Unit.Looking for the perfect balance between luxury, function, and towability? The 2021 Keystone Cougar 26RBS delivers all that and more. Whether you're a weekend warrior or a ...

                                                        $25,000

                                                          Used 2017 Keystone Fuzion  available in Golden, Colorado
                                                          17

                                                          Used 2017 Keystone Fuzion

                                                          Used Toy Hauler in Golden, Colorado 80402

                                                          For Sale by For Sale By Owner

                                                          High quality 2017 Keystone Fuzion 417 10th Anniversary Edition fifth wheel toy hauler.  It’s a great boon docking camper as it has a total fresh water capacity of 110 gallons , 88 gallons of gray water capacity and 88 gallons of black water capa ...

                                                            $55,000

                                                              Used 2017 Keystone Impact 351 available in Castle Rock, Colorado
                                                              100
                                                              1

                                                              Used 2017 Keystone Impact 351

                                                              Used Toy Hauler in Castle Rock, Colorado 80104

                                                              For Sale by Pop RVs

                                                              Stock #460210 - 2017 Keystone Impact 351 Toy Hauler with two slide-outs! 12'6 garage!!!********************** CERTIFIED SINGLE OWNER **********************Get ready for your next adventure with this Keystone Impact 351 fifth-wheel toy hauler--designed for ...

                                                              • Sale
                                                              • Consignment
                                                              • Reduced

                                                              $38,500

                                                                Used 2018 Keystone Alpine 3651RL available in Erie, Colorado
                                                                111
                                                                1

                                                                Used 2018 Keystone Alpine 3651RL

                                                                Used Fifth Wheel in Erie, Colorado 80516

                                                                For Sale by Pop RVs

                                                                Stock #455625 - 2018 Keystone Alpine 3651RL with three slide-outs!Welcome to this 2018 Alpine 3651RL located in Northglenn, Colorado.This rear living layout, featuring three slides, is spacious and comfortably accommodates four people between the king-size ...

                                                                • Sale
                                                                • Consignment
                                                                • Reduced

                                                                $40,000

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