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

160 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 2022 Keystone Cougar Half-Ton 32BHS available in Felton, Delaware
14

Used 2022 Keystone Cougar Half-Ton 32BHS

Used Fifth Wheel in Felton, Delaware 19943

For Sale by Callaway Outdoors LLC

2022 Keystone Cougar Half-Ton 32BHS – Spacious Family Camper Loaded with Features! Take the whole crew on the road in style with this 2022 Keystone Cougar Half-Ton 32BHS! Known for its smart layout and premium touches, this travel trailer is perfect ...

  • In Stock
  • Under Warranty

$31,000

    Used 2023 Keystone Montana 3781RL available in Pilesgrove, New Jersey
    22

    Used 2023 Keystone Montana 3781RL

    Used Fifth Wheel in Pilesgrove, New Jersey 08098

    For Sale by Pop RVs

    Stock #434256 - Only used 1 Season ! 2023 Montana by Keystone (3781RL) - Fifth Wheel RV in Pilesgrove, NJLooking for a great Fifth Wheel RV for your next adventure? Look no further than this 2023 Montana 3781RL, which has everything you need to hit the roa ...

    • Sale
    • Consignment
    • Reduced

    $73,999

      New 2026 Keystone Bullet Crossfire East 290BHS available in Clayton, Delaware
      32

      New 2026 Keystone Bullet Crossfire East 290BHS

      New Travel Trailer in Clayton, Delaware 19938

      For Sale by Alexander RV Center

      **LUXURY BUNKHOUSE!!** 1 SLIDE OUT OUTSIDE KITCHEN HEATED & ENCLOSED UNDERBELLY POWER EVERYTHING ROOF MOUNTED SOLAR PANEL 2ND A/C PREPPED (50 AMP) 2 ENTRY DOORS THEATER SEATING HUGE STORAGE SPACE BEHIND TV PRIVATE FRONT BEDROOM DOUBLE OVER DOUBLE BUNKS ...

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

      $48,598

        New 2025 Keystone Hideout East 31BRD available in Clayton, Delaware
        28

        New 2025 Keystone Hideout East 31BRD

        New Travel Trailer in Clayton, Delaware 19938

        For Sale by Alexander RV Center

        **2 BEDROOM**OUTSIDE KITCHEN** 2 SLIDE OUTS HUGE OUTSIDE KITCHEN SLEEPS 11 PEOPLE 2 ENTRY/EXIT DOORS 2ND A/C PREPPED (50 AMP) ROOF MOUNTED SOLAR PANEL TANKLESS HOT WATER HEATER **GREAT FOR PARKING SEASONALLY OR TOWING**  

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

        $35,843

          New 2025 Keystone Hideout East 28BUS available in Clayton, Delaware
          28

          New 2025 Keystone Hideout East 28BUS

          New Travel Trailer in Clayton, Delaware 19938

          For Sale by Alexander RV Center

          **BUNKHOUSE W/ TONS OF STORAGE!!** 1 SLIDE OUT OUTSIDE KITCHEN FLIP UP BUNK W/ REAR DOOR FOR STORAGE 2 ENTRY/EXIT DOORS ROOF MOUNTED SOLAR PANEL TANKLESS HOT WATER HEATER  SLEEPS 10 PEOPLE! **PLENTY OF ROOM FOR THE WHOLE FAMILY AND GUESTS!

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

          $32,572

            Used 2019 Keystone Montana 3790RD available in West Chester, Pennsylvania

            Used 2019 Keystone Montana 3790RD

            Used Fifth Wheel in West Chester, Pennsylvania 19382

            For Sale by General RV Center

            Keystone Montana fifth wheel 3790RD highlights: Separate Rear Living Coffee Station Kitchen Island Fireplace RV Refrigerator Exterior Storage Tray If you want your own space to cook, your own space to watch TV, and your own private bedroom, take a look at ...

            • Sale

            $45,995

              Used 2019 Keystone Alpine 3700FL available in Clayton, Delaware
              16

              Used 2019 Keystone Alpine 3700FL

              Used Fifth Wheel in Clayton, Delaware 19938

              For Sale by Pop RVs

              Stock #413347 - WOW !! 2019 ALPINE 3700FL ** Only used 6-7 times ** NO pets & NON smoking ** READY TO GO !!WOW !! 2019 ALPINE 3700FL Step inside this gorgeous RV and experience true residential-style amenities.The Front Living room layout provides Two Sofa ...

              • Sale
              • Consignment
              • Reduced

              $48,000

                New 2025 Keystone Residence 401LOFT available in Clermont, New Jersey
                32

                New 2025 Keystone Residence 401LOFT

                New Destination Trailer in Clermont, New Jersey 08210

                For Sale by Driftwood RV Center

                Keystone Residence destination trailer 401LOFT highlights: Loft Area Dual Entry Front Living Area Free-Standing Table Kitchen Island Three Slides Get ready for fun at your own Residence each and every time you arrive! You will have your own king bed slide ...

                  $97,689
                  Get Sale Price!

                    New 2025 Keystone Hideout East 24FKS available in Clayton, Delaware
                    24

                    New 2025 Keystone Hideout East 24FKS

                    New Travel Trailer in Clayton, Delaware 19938

                    For Sale by Alexander RV Center

                    **FRONT KITCHEN** 2 SLIDE OUTS OUTSIDE KITCHEN THEATER SEATS HEATED & ENCLOSED UNDERBELLY ROOF MOUNTED SOLAR PANEL DESK IN BEDROOM TONS OF COUNTER SPACE  

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

                    $32,477

                      New 2025 Keystone Residence 401HBDL available in Clermont, New Jersey
                      38

                      New 2025 Keystone Residence 401HBDL

                      New Destination Trailer in Clermont, New Jersey 08210

                      For Sale by Driftwood RV Center

                      Keystone Residence destination trailer401HBDLhighlights: Makeup Vanity Rear Bathroom Bath and a Half Dual Sink Loft Area This destination trailer is a home away from home where comfort, relaxation, and entertainment come together in perfect harmony. The re ...

                        $102,510
                        Get Sale Price!

                          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

                            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

                              New 2025 Keystone Residence 40CLDL available in Clermont, New Jersey
                              32

                              New 2025 Keystone Residence 40CLDL

                              New Destination Trailer in Clermont, New Jersey 08210

                              For Sale by Driftwood RV Center

                              Keystone Residence destination trailer 40CLDL highlights: Double Loft Shower with a Seat Master Closet Fireplace Aluminum Exterior This destination trailer is so accommodating, you may just want to camp all year long! The owners will have the front bedroom ...

                                $100,314
                                Get Sale Price!

                                  New 2026 Keystone Hideout 38DBD **KING & QUEEN BED** available in Clayton, Delaware
                                  31

                                  New 2026 Keystone Hideout 38DBD **KING & QUEEN BED**

                                  New Destination Trailer in Clayton, Delaware 19938

                                  For Sale by Alexander RV Center

                                  **LUXURY PARK TRAILER!!** 3 SLIDES OUTS  3 A/C UNITS (50 AMP) 2 BEDROOMS 2 FULL BATHROOMS SLIDING GLASS PATIO DOOR RESIDENTIAL REFRIGERATOR TANKLESS HOT WATER HEATER FRONT KING BED REAR QUEEN BED **PERFECT FOR PARKING ON A SEASONAL LOT**

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

                                  $49,867

                                    Used 2017 Keystone  Summerland 2660RL available in Clermont, New Jersey
                                    24

                                    Used 2017 Keystone Summerland 2660RL

                                    Used Travel Trailer in Clermont, New Jersey 08210

                                    For Sale by Driftwood RV Center

                                    This rear living Summerland 2660RL by Springdale features a large slide out for added interior space, a u-shaped dinette, and dual entry.Step inside and notice the two recliners and center end table along the rear wall of the trailer. To your right is the ...

                                    • Sale

                                    $13,999

                                      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

                                        Used 2019 Keystone Bullet 34BIPR-3S available in West Chester, Pennsylvania
                                        36

                                        Used 2019 Keystone Bullet 34BIPR-3S

                                        Used Travel Trailer in West Chester, Pennsylvania 19382

                                        For Sale by General RV Center

                                        Keystone Premier Ultra Lite 34BIPR travel trailer highlights: Outdoor Entertainment Master Suite Private Bunkhouse Kitchen Island Three Slides If you want a unit that is both functional and elegant, then you need this Premier Ultra Lite travel trailer. Eve ...

                                        • Sale

                                        $19,995

                                          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 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

                                              Used 2022 Keystone Hideout East 28RKS available in Clayton, Delaware
                                              24

                                              Used 2022 Keystone Hideout East 28RKS

                                              Used Travel Trailer in Clayton, Delaware 19938

                                              For Sale by Alexander RV Center

                                              **LARGE LIVING SPACE** 1 SLIDE OUT POWER EVERYTHING OUTSIDE KITCHEN RECLINERS FREESTANDING TABLE & 4 CHAIRS PORCELAIN TOILET GLASS SHOWER DOOR SLEEPS 4 PEOPLE GREAT FOR TOWING OR PARKING SEASONALLY!!

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

                                              $24,997

                                                Used 2021 Keystone Montana 3855BR available in Clermont, New Jersey
                                                35

                                                Used 2021 Keystone Montana 3855BR

                                                Used Fifth Wheel in Clermont, New Jersey 08210

                                                For Sale by Driftwood RV Center

                                                Keystone Montana fifth wheel 3855BRhighlights: Bonus Room Loft Area Free-Standing Dinette Residential Refrigerator Outside Kitchen Power Theater Seating Whether it's a weekend at your local state park or a month-long journey across the country, you'll find ...

                                                • Sale

                                                $47,900

                                                  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

                                                    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

                                                      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

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