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

90 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!
New 2026 Keystone Cougar Sport 2700BH available in Milford North, Delaware
18

New 2026 Keystone Cougar Sport 2700BH

New Fifth Wheel in Milford North, Delaware 19963

For Sale by Delmarva RV Center (Milford North)

2026 COUGAR SPORT BY KEYSTONE 2700BH   POWER AWNING ONE SLIDE DRY WEIGHT 7650LBS DUCTED ROOF A/C SLEEPS 10 FRONT BEDROOM SIDE BATHROOM U SHAPED DINETTE BUNKS DOUBLE DOOR REFRIGERATOR FLATSCREEN TV    WE WANT YOUR BUSINESS FOLKS!! WE TAKE ALL ...

  • Sale
  • In Stock
  • New Arrival

$44,995

    Used 2021 Keystone Cougar Half-Ton 25DBSWE available in Milford, Delaware
    18

    Used 2021 Keystone Cougar Half-Ton 25DBSWE

    Used Travel Trailer in Milford, Delaware 19963

    For Sale by Delmarva RV Center

    2021 COUGAR HALF TON KEYSTONE  25DBSWE   DRY WEIGHT 6110LBS POWER AWNING OUTSIDE KITCHEN ONE SLIDE SLEEPS 8 FRONT BEDROOM CORNER BATHROOM BUNKS  U SHAPED DINETTE FLATSCREEN TV  DOUBLE DOOR REFRIGERATOR   WE WANT YOUR BUSINESS FOLKS ...

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

    $25,900

      New 2015 Keystone Passport Ultra Lite Grand Touring 2400BH available in Newfield, New Jersey
      22

      New 2015 Keystone Passport Ultra Lite Grand Touring 2400BH

      New Travel Trailer in Newfield, New Jersey 08344

      For Sale by Crossroads Trailer Sales, Inc.

      Keystone Passport Ultra Lite Grand Touring Travel Trailer 2015, 35 Feet Long, Bunk Beds Floorplan 2400BHOverviewDiscover the Keystone Passport Ultra Lite Grand Touring Travel Trailer, a versatile towable RV built for family adventures and weekend getaways. ...

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

      $8,900

        Used 2023 Keystone Montana 3931FB available in Milford North, Delaware
        30

        Used 2023 Keystone Montana 3931FB

        Used Fifth Wheel in Milford North, Delaware 19963

        For Sale by Delmarva RV Center (Milford North)

        2023 MONTANA BY KEYSTONE 3931FB   POWER AWNING 3 SLIDES DRY WEIGHT 13680LB DUCTED ROOF A/C SLEEPS 4 FRONT BEDROOM REAR BATHROOM BATH AND A HALF LARGE REFRIGERATOR PANTRY FLATSCREEN TV  FIREPLACE CENTER ISLAND  WE WANT YOUR BUSINESS FOLKS!! W ...

        • Sale
        • In Stock
        • New Arrival

        $69,995

          Used 2019 Keystone Cougar 369BHS available in Milford North, Delaware
          22

          Used 2019 Keystone Cougar 369BHS

          Used Fifth Wheel in Milford North, Delaware 19963

          For Sale by Delmarva RV Center (Milford North)

          2019 COUGAR BY KEYSTONE 369BHS   POWER AWNING 4 SLIDES OUTSIDE KITCHEN DRY WEIGHT 11,441LBS DUCTED ROOF A/C SLEEPS 9 FRONT BEDROOM SIDE BATHROOM BUNK ROOM DINETTE DOUBLE DOOR REFRIGERATOR FLATSCREEN TV  FIREPLACE   WE WANT YOUR BUSINESS FOLK ...

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

          $34,995

            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 2025 Keystone Cougar 290RLS available in Milford North, Delaware
              23

              New 2025 Keystone Cougar 290RLS

              New Fifth Wheel in Milford North, Delaware 19963

              For Sale by Delmarva RV Center (Milford North)

              2025 COUGAR BY KEYSTONE 290RLS   POWER AWNING 3 SLIDES CEILING FAN DUCTED ROOF A/C DRY WEIGHT 10660LBS SLEEPS 4 FRONT BEDROOM SIDE BATHROOM PANTRY FLATSCREEN TV  FIREPLACE CENTER ISLAND  LARGE SIDE BY SIDE REFRIGERATOR DINETTE WE WANT YOUR B ...

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

              $64,900

                Used 2013 Keystone Bobcat 163B available in Milford, Delaware
                16

                Used 2013 Keystone Bobcat 163B

                Used Travel Trailer in Milford, Delaware 19963

                For Sale by Delmarva RV Center

                2013 BOBCAT BY KEYSTONE 163BT   AWNING DRY WEIGHT 2,275 LBS 2 TENT AREAS SLEEPS 4 FRONT BED AREA FLATSCREEN TV  CORNER BATHROOM REFRIGERATOR   WE WANT YOUR BUSINESS FOLKS!! WE TAKE ALL TYPES OF TRADES!! WE CAN PROVIDE FAST AND EASY FINANCING ...

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

                $5,900

                  Used 2018 Keystone Montana 3000RE available in Milford, Delaware
                  24

                  Used 2018 Keystone Montana 3000RE

                  Used Fifth Wheel in Milford, Delaware 19963

                  For Sale by Delmarva RV Center

                  2018 MONTANA BY KEYSTONE 3000RE   POWER AWNING 3 SLIDES DRY WEIGHT 11,980LBS DUCTED ROOF A/C SLEEPS 4 FRONT BEDROOM SIDE BATHROOM LARGE SIDE BY SIDE REFRIGERATOR PANTRY 2 FLATSCREEN TV'S   WE WANT YOUR BUSINESS FOLKS!! WE TAKE ALL TYPES OF TRADES ...

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

                  $29,900

                    New 2025 Keystone Cougar Half-Ton 23MLE available in Milford, Delaware
                    19

                    New 2025 Keystone Cougar Half-Ton 23MLE

                    New Fifth Wheel in Milford, Delaware 19963

                    For Sale by Delmarva RV Center

                    2025 COUGAR BY KEYSTONE MODEL 23MLE   POWER AWNING 2 SLIDES OUTSIDE KITCHEN SLEEPS 4 FRONT BEDROOM SIDE BATHROOM DINETTE DOUBLE DOOR REFRIGERATOR FLATSCREEN TV   WE WANT YOUR BUSINESS FOLKS!! WE TAKE ALL TYPES OF TRADES!! WE CAN PROVIDE FAST AND ...

                    • Sale
                    • Blow Out Price
                    • In Stock
                    • Special

                    $40,900

                      New 2026 Keystone Cougar Half-Ton 26RKE available in Milford North, Delaware
                      22

                      New 2026 Keystone Cougar Half-Ton 26RKE

                      New Fifth Wheel in Milford North, Delaware 19963

                      For Sale by Delmarva RV Center (Milford North)

                      2026 COUGAR HALF TON BY KEYSTONE 26RKE    2 POWER AWNING'S 2 SLIDES OUTSIDE KITCHEN DUCTED ROOF A/C DRY WEIGHT 9020 LBS SLEEPS 4 FRONT BEDROOM SIDE BATHROOM DINETTE FLATSCREEN TV  FIREPLACE CEILING FAN LARGE SIDE BY SIDE REFRIGERATOR   ...

                      • Sale
                      • Coming Soon
                      • On Order

                      $54,995

                        New 2026 Keystone Cougar Half-Ton 28BHS available in Milford North, Delaware
                        23

                        New 2026 Keystone Cougar Half-Ton 28BHS

                        New Travel Trailer in Milford North, Delaware 19963

                        For Sale by Delmarva RV Center (Milford North)

                        2026 COUGAR HALF TON BY KEYSTONE 28BHS   POWER AWNING ONE SLIDE  DRY WEIGHT 7390LBS DUCTED ROOF A/C SLEEPS 8 FRONT BEDROOM SIDE BATHROOM BUNKS  DINETTE DOUBLE DOOR REFRIGERATOR FIREPLACE FLATSCREEN TV  PANTRY WE WANT YOUR BUSINESS FOLKS ...

                        • Sale
                        • In Stock
                        • New Arrival

                        $44,995

                          New 2026 Keystone Cougar Half-Ton 26LBW available in Milford North, Delaware
                          20

                          New 2026 Keystone Cougar Half-Ton 26LBW

                          New Travel Trailer in Milford North, Delaware 19963

                          For Sale by Delmarva RV Center (Milford North)

                          2026 COUGAR HALF TON BY KEYSTONE 26LBW   POWER AWNING DRY WEIGHT 7180LBS ONE SLIDE DUCTED ROOF A/C SLEEPS 4 FRONT BEDROOM REAR BATHROOM DINETTE FLATSCREEN TV FIREPLACE PANTRY WASHER DRYER PREP DOUBLE DOOR REFRIGERATOR   WE WANT YOUR BUSINESS FOLK ...

                          • Sale
                          • In Stock
                          • New Arrival

                          $44,995

                            New 2026 Keystone Cougar 350LLK available in Milford, Delaware
                            24

                            New 2026 Keystone Cougar 350LLK

                            New Fifth Wheel in Milford, Delaware 19963

                            For Sale by Delmarva RV Center

                            2026 COUGAR BY KEYSTONE 350LLK   POWER AWNING 4 SLIDES DUCTED ROOF A/C DRY WEIGHT 11980LBS CEILING FAN SLEEPS 4 FRONT BEDROOM SIDE BATHROOM LARGE DOUBLE DOOR REFRIGERATOR PANTRY DINETTE FIREPLACE FLATSCREEN TV    WE WANT YOUR BUSINESS FOLKS! ...

                            • Sale
                            • In Stock
                            • New Arrival

                            $79,995

                              New 2026 Keystone Cougar Half-Ton 22MLS available in Milford North, Delaware
                              17

                              New 2026 Keystone Cougar Half-Ton 22MLS

                              New Travel Trailer in Milford North, Delaware 19963

                              For Sale by Delmarva RV Center (Milford North)

                              2026 COUGAR BY KEYSTONE 22MLS   POWER AWNING DRY WEIGHT 6000LBS ONE SLIDE DUCTED ROOF A/C SLEEPS 4 FRONT BED SIDE BATHROOM DINETTE DOUBLE DOOR REFRIGERATOR FLATSCREEN TV  RECLINING SEATS   WE WANT YOUR BUSINESS FOLKS!! WE TAKE ALL TYPES OF T ...

                              • Sale
                              • In Stock
                              • New Arrival

                              $39,995

                                Used 2021 Keystone Montana 3761FL available in Newfield, New Jersey
                                34

                                Used 2021 Keystone Montana 3761FL

                                Used Fifth Wheel in Newfield, New Jersey 08344

                                For Sale by Crossroads Trailer Sales, Inc.

                                Keystone Montana 3761FL Fifth Wheel — Luxury Towable RV Overview Overview Discover the pinnacle of travel trailer luxury with the 2021 Keystone Montana 3761FL, a premier towable RV delivering comfort, space, and dependable performance on long journey ...

                                • Sale
                                • Consignment
                                • In Stock
                                • New Arrival

                                $65,900

                                  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 320RDS available in Milford North, Delaware
                                    24

                                    New 2026 Keystone Cougar 320RDS

                                    New Fifth Wheel in Milford North, Delaware 19963

                                    For Sale by Delmarva RV Center (Milford North)

                                    2026 COUGAR BY KEYSTONE MODEL 320RDS   POWER AWNING 3 SLIDES DRY WEIGHT 11310LBS DUCTED ROOF A/C CEILING FAN SLEEPS 4 FRONT BEDROM SIDE BATHROOM LARGE SIDE BY SIDE REFRIGERATOR FLATSCREEN TV  FIREPLACE   WE WANT YOUR BUSINESS FOLKS!! WE TAKE ...

                                    • Sale
                                    • In Stock
                                    • New Arrival

                                    $76,995

                                      New 2026 Keystone Cougar Half-Ton  available in Milford North, Delaware
                                      21

                                      New 2026 Keystone Cougar Half-Ton

                                      New Fifth Wheel in Milford North, Delaware 19963

                                      For Sale by Delmarva RV Center (Milford North)

                                      2026 COUGAR HALF TON BY KEYSTONE 26RES   POWER AWNING ONE SLIDE DRY WEIGHT 8210LBS DUCTED ROOF A/C SLEEPS 2 FRONT BEDROOM SIDE BATHROOM FIREPLACE FLATSCREEN TV  PANTRY DOUBLE DOOR REFRIGERATOR WE WANT YOUR BUSINESS FOLKS!! WE TAKE ALL TYPES OF TR ...

                                      • Sale
                                      • Coming Soon
                                      • On Order

                                      $49,995

                                        New 2026 Keystone Cougar 316RLS available in Milford North, Delaware
                                        24

                                        New 2026 Keystone Cougar 316RLS

                                        New Fifth Wheel in Milford North, Delaware 19963

                                        For Sale by Delmarva RV Center (Milford North)

                                        2026 COUGAR BY KEYSTONE 316RLS   POWER AWNING 3 SLIDES DRY WEIGHT 11110LBS DUCTED ROOF A/C CEILING FAN SLEEPS 2 FRONT BEDROOM SIDE BATHROOM LARGE SIDE BY SIDE REFRIGERATOR FLATSCREEN TV  PANTRY  DINETTE FIREPLACE   WE WANT YOUR BUSINESS ...

                                        • Sale
                                        • In Stock
                                        • New Arrival

                                        $74,995

                                          Used 2024 Keystone Cougar Half-Ton 33RLI available in Newfield, New Jersey
                                          27

                                          Used 2024 Keystone Cougar Half-Ton 33RLI

                                          Used Travel Trailer in Newfield, New Jersey 08344

                                          For Sale by Crossroads Trailer Sales, Inc.

                                          2024 Towable RV Travel Trailer — Floorplan 33RLI (Stock 7536) This 2024 travel trailer is a towable recreational vehicle designed for family adventures, weekend escapes, and cross-country road trips. Featuring the 33RLI floorplan, it blends practical ...

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

                                          $42,900

                                            Used 2016 Keystone Springdale Summerland SM3030 available in Milford, Delaware
                                            19

                                            Used 2016 Keystone Springdale Summerland SM3030

                                            Used Travel Trailer in Milford, Delaware 19963

                                            For Sale by Delmarva RV Center

                                            2016 SUMMERLAND BY KEYSTONE SM3030   POWER AWNING DRY WEIGHT 7310LBS OUTSIDE KITCHEN 2 SLIDES FRONT AND REAR ENTRY DOORS SLEEPS 8 DUCTED ROOF A/C FRONT BEDROOM SIDE BATHROOM U SHAPED DINETTE BUNK ROOM DOUBLE DOOR REFRIGERATOR   WE WANT YOUR BUSIN ...

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

                                            $14,900

                                              Used 2017 Keystone Hideout 299RLDS available in Milford, Delaware
                                              20

                                              Used 2017 Keystone Hideout 299RLDS

                                              Used Fifth Wheel in Milford, Delaware 19963

                                              For Sale by Delmarva RV Center

                                              2017 HIDEOUT BY KEYSTONE 299RLDS   POWER AWNING 2 SLIDES DUCTED ROOF A/C SLEEPS 4 FRONT BEDROOM SIDE BATHROOM DOUBLE DOOR REFRIGERATOR WE WANT YOUR BUSINESS FOLKS!! WE TAKE ALL TYPES OF TRADES!! WE CAN PROVIDE FAST AND EASY FINANCING!! CALL OR EMAIL N ...

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

                                              $17,900

                                                Used 2018 Keystone Cougar XLite 25RES available in Milford North, Delaware
                                                19

                                                Used 2018 Keystone Cougar XLite 25RES

                                                Used Fifth Wheel in Milford North, Delaware 19963

                                                For Sale by Delmarva RV Center (Milford North)

                                                 2018 Keystone Cougar XLite 25RES Fifth Wheel DRY WEIGHT 7035LBS SLEEPS 8 POWER AWNING 2 SLIDES FRONT BEDROOM SIDE BATHROOM DOUBLE DOOR REFRIGERATOR     WE WANT YOUR BUSINESS FOLKS!! WE TAKE ALL TYPES OF TRADES!! WE CAN PROVIDE FAST AND EASY ...

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

                                                $16,900

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