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View New & Used Keystone RVs for Sale in or near Dover, Delaware

99 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 Avalanche 322RL available in Milford, Delaware
25

Used 2021 Keystone Avalanche 322RL

Used Fifth Wheel in Milford, Delaware 19963

For Sale by Delmarva RV Center

2021 AVALANCHE BY KEYSTONE 322RL   POWER AWNING DRY WEIGHT 11940LBS 3 SLIDES DUCTED ROOF A/C SLEEPS 4 FRONT BEDROOM SIDE BATHROOM LARGE REFRIGERATOR 2 FLATSCREEN TV'S FIREPLACE   WE WANT YOUR BUSINESS FOLKS!! WE TAKE ALL TYPES OF TRADES!! WE CAN ...

  • Sale
  • In Stock
  • New Arrival
  • Recent Trade-In

$34,900

    Used 2019 Keystone Passport 175BH available in Milford, Delaware
    16

    Used 2019 Keystone Passport 175BH

    Used Travel Trailer in Milford, Delaware 19963

    For Sale by Delmarva RV Center

    2019 PASSPORT BY KEYSTONE MODEL 175BH    LIGHTWEIGHT POWER AWNING W/LED LIGHTING ROOF A/C SLEEPS 6 SIDE BUNK BEDS FULL DINETTE THAT EASILY CONVERTS INTO A BED REAR BATHROOM WITH TUB/SHOWER FLATSCREEN TV   WE WANT YOUR BUSINESS! WE TAKE ALL T ...

    • Sale
    • In Stock
    • Recent Trade-In
    • Reduced

    $9,900

      New 2026 Keystone Cougar Half-Ton 23MLE available in Milford North, Delaware
      20

      New 2026 Keystone Cougar Half-Ton 23MLE

      New Fifth Wheel in Milford North, Delaware 19963

      For Sale by Delmarva RV Center (Milford North)

      2026 COUGAR BY KEYSTONE MODEL 23MLE   POWER AWNING DRY WEIGHT 7820LB 2 SLIDES OUTSIDE REFRIGERATOR SLEEPS 4 FRONT BEDROOM SIDE BATHROOM DINETTE DOUBLE DOOR REFRIGERATOR FLATSCREEN TV   WE WANT YOUR BUSINESS FOLKS!! WE TAKE ALL TYPES OF TRADES!! W ...

      • Sale
      • In Stock
      • New Arrival

      $49,995

        Used 2017 Keystone Cougar XLite 32FBS 2-BdRM Triple Slide available in Williamstown, New Jersey
        51

        Used 2017 Keystone Cougar XLite 32FBS 2-BdRM Triple Slide

        Used Travel Trailer in Williamstown, New Jersey 08094

        For Sale by White Horse RV Center

        Choosing White Horse RV Center means more than just buying an RV; it’s about investing in a seamless, enjoyable experience. With over 50 years of expertise, we ensure your RV journey is fun and hassle-free. Our RV Essentials Package and transparent p ...

        • Sale
        • Blow Out Price
        • Special

        $24,995

          Used 2021 Keystone Coleman Lantern 2515RL available in Milford, Delaware
          17

          Used 2021 Keystone Coleman Lantern 2515RL

          Used Travel Trailer in Milford, Delaware 19963

          For Sale by Delmarva RV Center

          2021 KEYSTONE COLEMAN LANTERN 2515RL   POWER AWNING DRY WEIGHT 5730LBS ONE SLIDE DUCTED ROOF A/C SLEEPS 6 FRONT BEDROOM WALKTHROUGH BATHROOM DINETTE DOUBLE DOOR REFRIGERATOR FLATSCREEN TV  FIREPLACE   WE WANT YOUR BUSINESS FOLKS!! WE TAKE AL ...

          • Sale
          • In Stock
          • New Arrival
          • Recent Trade-In

          $18,900

            New 2026 Keystone Cougar Half-Ton 28RLI available in Milford North, Delaware
            25

            New 2026 Keystone Cougar Half-Ton 28RLI

            New Fifth Wheel in Milford North, Delaware 19963

            For Sale by Delmarva RV Center (Milford North)

            2026 COUGAR BY KEYSTONE 28RLI   POWER AWNING DRY WEIGHT 9170LBS 2 SLIDES DUCTED ROOF A/C SLEEPS 4 FRONT BEDROOM SIDE BATHROOM FIREPLACE FLATSCREEN TV  PANTRY DOUBLE DOOR  REFRIGERATOR   WE WANT YOUR BUSINESS FOLKS!! WE TAKE ALL TYPES OF ...

            • Sale
            • Coming Soon
            • On Order

            $54,995

              New 2026 Keystone Cougar 360MBI available in Milford North, Delaware
              26

              New 2026 Keystone Cougar 360MBI

              New Fifth Wheel in Milford North, Delaware 19963

              For Sale by Delmarva RV Center (Milford North)

              2026 COUGAR MIDNIGHT EDITION BY KEYSTONE MODEL 360MBI   2 POWER AWNINGS 4 SLIDES DRY WEIGHT 12510LBS DUCTED ROOF A/C SLEEPS 10 FRONT BEDROOM SIDE BATHROOM UPPER LOFT AREA SIDE BUNK ROOM CENTER ISLAND CEILING FAN  DINETTE LARGE SIDE BY SIDE REFRIG ...

              • Sale
              • In Stock
              • New Arrival

              $79,995

                Used 2011 Keystone Montana Mountaineer 345DBQ 2-BdRM Quad Slide, 1 & 1/2 Baths, Bunks available in Williamstown, New Jersey
                51

                Used 2011 Keystone Montana Mountaineer 345DBQ 2-BdRM Quad Slide, 1 & 1/2 Baths, Bunks

                Used Fifth Wheel in Williamstown, New Jersey 08094

                For Sale by White Horse RV Center

                Choosing White Horse RV Center means more than just buying an RV; it’s about investing in a seamless, enjoyable experience. With over 50 years of expertise, we ensure your RV journey is fun and hassle-free. Our RV Essentials Package and transparent p ...

                • Sale
                • Blow Out Price
                • Special

                $17,995

                  New 2025 Keystone Hideout Sport 220BH available in Clayton, Delaware
                  22

                  New 2025 Keystone Hideout Sport 220BH

                  New Travel Trailer in Clayton, Delaware 19938

                  For Sale by Alexander RV Center

                  **GREAT VALUE!!** ONLY 3,625 LBS! SLEEPS 4 PEOPLE FULL PASS THRU STORAGE COMPARTMENT QUEEN BED 2 SINGLE BUNK BEDS FREE STANDING TABLE POWER AWNING TANKNLESS WATER HEATER SOLAR & INVERTER PREPPED MANY UPGRADED OPTIONS **ROOF MOUNTED 13,500 BTU A/C, FULL ...

                  • Sale
                  • Blow Out Price
                  • In Stock
                  • New Arrival
                  • Special
                  • Reduced

                  $17,973

                    New 2025 Keystone Hideout East 24RBS available in Clayton, Delaware
                    27

                    New 2025 Keystone Hideout East 24RBS

                    New Travel Trailer in Clayton, Delaware 19938

                    For Sale by Alexander RV Center

                    **REAR BATH** 1 SLIDE OUT HEATED & ENCLOSED UNDERBELLY ROOF MOUNTED SOLAR PANEL 12 VOLT REFRIGERATOR TANKLESS HOT WATER HEATER OUTSIDE KITCHEN TRI-FOLD SOFA BOOTH DINETTE HUGE REAR BATH!!

                    • Sale
                    • Blow Out Price
                    • In Stock
                    • New Arrival
                    • Special
                    • Reduced

                    $28,650

                      Used 2025 Keystone Montana 3915TB available in Sewell, New Jersey
                      7

                      Used 2025 Keystone Montana 3915TB

                      Used Fifth Wheel in Sewell, New Jersey 08080

                      For Sale by Campers Inn RV Signature Collection

                      Keystone Montana fifth wheel 3915TB highlights: Two Full Baths Four Slide Outs Middle Kitchen/Living Shower with a Seat Two Power Awnings Free-Standing Dinette with Storage Traveling with friends and family is easier than ever with this fifth wheel in tow! ...

                      • Sale

                      $89,977

                        Used 2015 Keystone Cougar X-Lite 29RLI available in Clermont, New Jersey
                        26

                        Used 2015 Keystone Cougar X-Lite 29RLI

                        Used Fifth Wheel in Clermont, New Jersey 08210

                        For Sale by Driftwood RV Center

                        This Cougar X-Lite fifth wheel 29RLI features a rear living area, triple slides, and a convenient center island. As you step inside you are greeted with a spacious combined kitchen and living area with dual slide outs. To the immediate left inside the door ...

                        • Sale

                        $22,000

                          Used 2019 Keystone Bullet 272BHS available in Clayton, Delaware
                          24

                          Used 2019 Keystone Bullet 272BHS

                          Used Travel Trailer in Clayton, Delaware 19938

                          For Sale by Alexander RV & Trailer Center

                          **SLEEPS 10 PEOPLE** 1 SLIDE OUT HEATED & ENCLOSED UNDERBELLY POWER AWNING & TONGUE JACK 2ND ENTRY DOOR INTO BATHROOM DOUBLE BUNK BEDS REAR VIEW CAMERA & MONITOR INCLUDED!  

                          • Sale
                          • In Stock
                          • New Arrival
                          • Special
                          • Reduced

                          $19,995

                            New 2025 Keystone Hideout Sport East 291BR available in Clayton, Delaware
                            30

                            New 2025 Keystone Hideout Sport East 291BR

                            New Travel Trailer in Clayton, Delaware 19938

                            For Sale by Alexander RV Center

                            **HUGE PRIVATE BUNKROOM** 1 SLIDE OUT 2 BEDROOMS SLEEPS 10 PEOPLE TANKLESS HOT WATER HEATER POWER AWNING & TONGUE JACK TONS OF STORAGE INSIDE & OUT! SOLAR PREPPED  **HALF TON TOWABLE**ONLY 6,815 LBS**

                            • Sale
                            • Blow Out Price
                            • In Stock
                            • New Arrival
                            • Special
                            • Reduced

                            $29,995

                              New 2026 Keystone Hideout Sport East 269DB available in Clayton, Delaware
                              25

                              New 2026 Keystone Hideout Sport East 269DB

                              New Travel Trailer in Clayton, Delaware 19938

                              For Sale by Alexander RV Center

                              **BUNKHOUSE TRAVEL TRAILER!!** 1 SLIDE OUT OUTSIDE KITCHEN SLEEPS 10 PEOPLE PRIVATE FRONT BEDROOM U-SHAPED DINETTE JACK-KNIFE SOFA TANKLESS HOT WATER HEATER POWER AWNING & TONGUE JACK SOLAR PREPPED  TONS OF STORAGE 

                              • Sale
                              • Blow Out Price
                              • In Stock
                              • New Arrival
                              • Special
                              • Reduced

                              $29,970

                                Used 2024 Keystone Cougar 320RDS available in Denton, Maryland
                                140
                                1

                                Used 2024 Keystone Cougar 320RDS

                                Used Fifth Wheel in Denton, Maryland 21629

                                For Sale by Pop RVs

                                Stock #473522 - BEAUTIFUL ** 2024 COUGAR 320RDS ** MIDNIGHT EDITION ** ONE OWNER ** STORED INDOORS ** READY TO GO !!********************** CERTIFIED SINGLE OWNER **********************THIS IS THE ONE !!Beautiful 2024 COUGAR 320RDS with the upgraded Midnigh ...

                                • Consignment

                                $66,200

                                  New 2025 Keystone Hideout Sport East 240BH available in Clayton, Delaware
                                  25

                                  New 2025 Keystone Hideout Sport East 240BH

                                  New Travel Trailer in Clayton, Delaware 19938

                                  For Sale by Alexander RV Center

                                  **LITE-WEIGHT BUNKHOUSE** SLEEPS 10 PEOPLE TANKLESS HOT WATER HEATER SOLAR PREPPED POWER TONGUE JACK & AWNING TONS OF STORAGE **EASILY TOWABLE WITH MOST FULL SIZE SUV'S AND TRUCKS**

                                  • Sale
                                  • Blow Out Price
                                  • In Stock
                                  • New Arrival
                                  • Special
                                  • Reduced

                                  $21,995

                                    New 2025 Keystone Hideout East 22MLS available in Clayton, Delaware
                                    19

                                    New 2025 Keystone Hideout East 22MLS

                                    New Travel Trailer in Clayton, Delaware 19938

                                    For Sale by Alexander RV Center

                                    **LUXURY COUPLES TRAILER** 1 SLIDE OUT THEATER SEATS ROOF MOUNTED SOLAR PANEL HEATED & ENCLOSED UNDERBELLY WALK AROUND QUEEN BED POWER AWNING & TONGUE JACK BOOTH DINETTE ONLY 5,642 LBS!

                                    • Sale
                                    • Blow Out Price
                                    • In Stock
                                    • New Arrival
                                    • Special
                                    • Reduced

                                    $27,970

                                      New 2025 Keystone Hideout 28RKD available in Clayton, Delaware
                                      26

                                      New 2025 Keystone Hideout 28RKD

                                      New Travel Trailer in Clayton, Delaware 19938

                                      For Sale by Alexander RV Center

                                      NEW ARRIVAL!! 2 SLIDE OUTS LARGE REAR KITCHEN THEATER SEATS U-SHAPED DINETTE ROOF MOUNTED SOLAR PANEL 2 PANTRYS TANKLESS HOT WATER HEATER

                                      • Sale
                                      • Blow Out Price
                                      • In Stock
                                      • New Arrival
                                      • Special
                                      • Reduced

                                      $33,995

                                        Used 2021 Keystone Cougar 316RLS available in Pylesville, Maryland
                                        14

                                        Used 2021 Keystone Cougar 316RLS

                                        Used Fifth Wheel in Pylesville, Maryland 21132

                                        For Sale by Pop RVs

                                        Stock #464812 - Loaded, 1-Owner, Stored Inside, 2021 Keystone Cougar 316RLS, King Bed, Levelers, W/D Prep. Solar.********************** CERTIFIED SINGLE OWNER **********************This one-owner, 2021 Keystone Cougar 316RLS 5th wheel is loaded with every ...

                                        • Consignment

                                        $44,500

                                          Used 2020 Keystone Alpine 3400RS available in Chester, Maryland
                                          116

                                          Used 2020 Keystone Alpine 3400RS

                                          Used Fifth Wheel in Chester, Maryland 21619

                                          For Sale by Pop RVs

                                          Stock #315556 - 2020 Alpine 34RL by Keystone! Arctic Package w/ Dual A/C Units, Auto Leveling, Full Cover, & Much More! Sleeps 4 w/ 3 Slides!The Alpine 3400 RS made by Keystone has an abundance of features that make her stand above her competition. With th ...

                                          • Sale
                                          • Consignment
                                          • Reduced

                                          $46,000

                                            New 2026 Keystone Bullet Classic 26BHG available in Clayton, Delaware
                                            27

                                            New 2026 Keystone Bullet Classic 26BHG

                                            New Travel Trailer in Clayton, Delaware 19938

                                            For Sale by Alexander RV Center

                                            **NEW ARRIVAL!!** 1 SLIDE OUT BUNKHOUSE SLEEPS 10 PEOPLE TONS OF STORAGE PRIVATE MASTER BEDROOM HEATED & ENCLOSED UNDERBELLY 2ND A/C PREPPED (50 AMP) 2ND ENTRY DOOR TO BATHROOM *AWESOME LAYOUT AT AN AWESOME PRICE!!**

                                            • Sale
                                            • Blow Out Price
                                            • In Stock
                                            • New Arrival
                                            • Special
                                            • Reduced

                                            $33,964

                                              Used 2025 Keystone Hideout Sport East 291BR **PRE-OWNED** available in Clayton, Delaware
                                              26

                                              Used 2025 Keystone Hideout Sport East 291BR **PRE-OWNED**

                                              Used Travel Trailer in Clayton, Delaware 19938

                                              For Sale by Alexander RV & Trailer Center

                                              HUGE PRIVATE BUNKROOM 1 SLIDE OUT 2 BEDROOMS SLEEPS 10 PEOPLE TANKLESS HOT WATER HEATER POWER AWNING & TONGUE JACK TONS OF STORAGE INSIDE & OUT! SOLAR PREPPED  **HALF TON TOWABLE**ONLY 6,815 LBS**

                                              • Sale
                                              • Blow Out Price
                                              • In Stock
                                              • New Arrival
                                              • Special
                                              • Reduced

                                              $26,950

                                                New 2026 Keystone Bullet Classic 28QBC available in Clayton, Delaware
                                                33

                                                New 2026 Keystone Bullet Classic 28QBC

                                                New Travel Trailer in Clayton, Delaware 19938

                                                For Sale by Alexander RV Center

                                                **PRIVATE BUNKROOM!!** 1 SLIDE OUT TONS OF STORAGE INSIDE & OUT 2 A/C UNITS (50 AMP) HEATED & ENCLOSED UNDERBELLY TANKLESS HOT WATER HEATER SOLAR PREPPED SLEEPS 10 PEOPLE UNDER 6,000 LBS!!

                                                • Sale
                                                • Blow Out Price
                                                • In Stock
                                                • New Arrival
                                                • Special
                                                • Reduced

                                                $34,950

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