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

19 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 2017 Keystone Outback Ultra Lite 278URL available in Willow Street, Pennsylvania
24

Used 2017 Keystone Outback Ultra Lite 278URL

Used Travel Trailer in Willow Street, Pennsylvania 17584

For Sale by RV Value Mart - Willow Street

Start your next camping adventure with this Outback Ultra Lite 278URL travel trailer by Keystone. A few favorite features include a rear living, single slide out in the living/kitchen area, dual entry, and an outside kitchen.Before you enter this model, be ...

  • Sale

$17,966

    Used 2014 Keystone Montana 3610 RL available in Willow Street, Pennsylvania
    28

    Used 2014 Keystone Montana 3610 RL

    Used Fifth Wheel in Willow Street, Pennsylvania 17584

    For Sale by RV Value Mart - Willow Street

    Enjoy camping with the whole family in this Montana 3610RL fifth wheel by Keystone RV. This unit features a rear living layout, triple slides, and a convenient kitchen island, plus optional fireplace if you choose! Step inside and be greeted by a wide open ...

    • Sale

    $26,966

      Used 2019 Keystone Montana 3855BR available in Willow Street, Pennsylvania
      31

      Used 2019 Keystone Montana 3855BR

      Used Fifth Wheel in Willow Street, Pennsylvania 17584

      For Sale by RV Value Mart - Willow Street

      Keystone Montana fifth wheel 3855BRhighlights: Bonus Room Loft Free Standing Dinette Residential Refrigerator Outside Kitchen Full-timers love this fifth wheel including the new 20th anniversary edition enhancements! From the bonus room offering a hide-a-b ...

      • Sale

      $45,951

        Used 2018 Keystone Cougar Half-Ton Series 32RLI available in Willow Street, Pennsylvania
        26

        Used 2018 Keystone Cougar Half-Ton Series 32RLI

        Used Travel Trailer in Willow Street, Pennsylvania 17584

        For Sale by RV Value Mart - Willow Street

        Keystone Cougar Half-Ton Series travel trailer 32RLI highlights: Triple Slides Rear Living Kitchen Island Two Awnings Ground Control Power Jack ThisCougar Half-Ton Series travel trailer32RLIwill provide plenty of room for relaxation, entertaining, and slee ...

        • Sale

        $24,966

          Used 2015 Keystone Cougar 333MKS available in Willow Street, Pennsylvania
          28

          Used 2015 Keystone Cougar 333MKS

          Used Fifth Wheel in Willow Street, Pennsylvania 17584

          For Sale by RV Value Mart - Willow Street

          This Keystone Cougar fifth wheel 333MKSWE can be your new home on wheels! With triple slides that increase the interior space, and a wide open concept living area including a convenient kitchen island, you will no doubt feel right at home. Step inside and ...

          • Sale

          $18,999

            New 2025 Keystone Passport Classic 284QB available in Newfield, New Jersey
            16
            1

            New 2025 Keystone Passport Classic 284QB

            New Travel Trailer in Newfield, New Jersey 08344

            For Sale by Crossroads Trailer Sales, Inc.

            Keystone Passport Classic 284QB Travel Trailer — 2025 New Arrival, In Stock Electric stabilizer Jacls 50 Amp Service with 2nd A/C Prep The 2025 Keystone Passport Classic 284QB is an exceptional towable RV designed for families and adventurers who cra ...

            • Sale
            • Blow Out Price
            • In Stock
            • Special
            • Reduced
            • Under Warranty

            $27,900

              Used 2018 Keystone Cougar Half-Ton East 27SAB available in Williamstown, New Jersey
              51

              Used 2018 Keystone Cougar Half-Ton East 27SAB

              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

              $18,995

                Used 2018 Keystone Montana 3721RL Rear Living Triple Slide, Washer/Dryer available in Williamstown, New Jersey
                58

                Used 2018 Keystone Montana 3721RL Rear Living Triple Slide, Washer/Dryer

                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

                $43,995

                  Used 2014 Keystone Premier Ultra Lite 30RIPR available in Willow Street, Pennsylvania
                  24

                  Used 2014 Keystone Premier Ultra Lite 30RIPR

                  Used Travel Trailer in Willow Street, Pennsylvania 17584

                  For Sale by RV Value Mart - Willow Street

                  Step inside this Premier Ultra Lite travel trailer 30RIPR by Keystone RV. It features a rear living layout, double slides, and a convenient kitchen island. As you enter you will notice a bath straight ahead and a bedroom just off to the right. The bedroom ...

                  • Sale

                  $16,566

                    Used 2018 Keystone Outback 330RL available in Willow Street, Pennsylvania
                    28

                    Used 2018 Keystone Outback 330RL

                    Used Travel Trailer in Willow Street, Pennsylvania 17584

                    For Sale by RV Value Mart - Willow Street

                    Take your camping up a notch with this triple slide out travel trailer. This Outback by Keystone RV also features a rear living area, a kitchen island, a front master suite, plus an outside kitchen! Before you step foot inside 330RL, be sure to check out t ...

                    • Sale

                    $23,999

                      Used 2018 Keystone Hideout 299RLDS available in Clayton, Delaware
                      28

                      Used 2018 Keystone Hideout 299RLDS

                      Used Fifth Wheel in Clayton, Delaware 19938

                      For Sale by Alexander RV & Trailer Center

                      **ONE OWNER** 2 OPPOSING SLIDE OUTS 2 A/C UNITS (50 AMP) OUTSIDE KITCHEN HEATED & ENCLOSED UNDERBELLY THEATER SEATING POWER JACKS & AWNING ISLAND KITCHEN LITE WEIGHT!!

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

                      $22,975

                        New 2026 Keystone Bullet Crossfire East 287RLS available in Clayton, Delaware
                        31

                        New 2026 Keystone Bullet Crossfire East 287RLS

                        New Travel Trailer in Clayton, Delaware 19938

                        For Sale by Alexander RV Center

                        **HUGE REAR LIVING ROOM** 2 SLIDE OUTS 2 AWNINGS HEATED & ENCLOSED UNDERBELLY POWER EVERYTHING ROOF MOUNTED SOLAR PANEL 2ND A/C PREPPED (50 AMP) TANKLESS HOT WATER HEATER ISLAND KITCHEN THEATER SEATING TRI-FOLD SOFA FREESTANDING TABLE & CHAIRS FIRE ...

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

                        $51,906

                          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 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

                              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

                                Used 2021 Keystone Fuzion 424 available in Stevensville, Maryland
                                20

                                Used 2021 Keystone Fuzion 424

                                Used Toy Hauler in Stevensville, Maryland 21666

                                For Sale by For Sale By Owner

                                2021 Keystone Fuzion 424 Toy Hauler – $85,000 OBO Adventure-ready & packed with upgrades!13’6” garage for toys or extra spaceSleeps 6–8 comfortably1 ½ baths4 TVs + indoor/outdoor speakersGenerator & aux fuel tanks New ...

                                  $85,000

                                    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 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

                                        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

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