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

38 listings match your search

Find your perfect Keystone Fifth Wheel 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 360MBI available in Milford North, Delaware
30

New 2026 Keystone Cougar 360MBI

New Fifth Wheel in Milford North, Delaware 19963

For Sale by Delmarva RV Center (Milford North)

2026 COUGAR BY KEYSTONE 360MBI HERO EDITION   POWER AWNING  GREEN LED ACCENT LIGHTING  FRAMELESS WINDOWS  BLACKOUT RIMS INDUSTRY EXCLUSIVE FULL BODY PAINT MATTE FINISH  4 SLIDES DRY WEIGHT 12580LBS DUCTED ROOF A/C SLEEPS 8 FRONT BE ...

  • Sale
  • Coming Soon
  • On Order

$79,995

    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

      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 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 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

            New 2026 Keystone Cougar Half-Ton 29MBD available in Milford North, Delaware
            22

            New 2026 Keystone Cougar Half-Ton 29MBD

            New Fifth Wheel in Milford North, Delaware 19963

            For Sale by Delmarva RV Center (Milford North)

            2026 COUGAR HALF TON BY KEYSTONE 29MBD   POWER AWNING 2 SLIDES DRY WEIGHT 9420LBS SLEEPS 7 FRONT BEDROOM SIDE BATHROOM SIDE BUNK ROOM DINETTE FLATSCREEN TV DOUBLE DOOR REFRIGERATOR   WE WANT YOUR BUSINESS FOLKS!! WE TAKE ALL TYPES OF TRADES!! WE ...

            • Sale
            • In Stock
            • New Arrival

            $54,995

              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

                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

                  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

                    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

                      New 2026 Keystone Cougar 360MBI available in Milford North, Delaware
                      29

                      New 2026 Keystone Cougar 360MBI

                      New Fifth Wheel in Milford North, Delaware 19963

                      For Sale by Delmarva RV Center (Milford North)

                      2026 COUGAR BY KEYSTONE 360MBI FIFTH WHEEL   POWER AWNING w/ LED LIGHT STRIP WASHER/DRYER PREP 4 SLIDES 2 DUCTED ROOF A/C'S SLEEPS 8 PEOPLE FRONT MASTER BEDROOM SIDE BATHROOM SIDE BUNK ROOM LOFT AREA DINETTE FIREPLACE FLATSCREEN TV  LARGE REFRIGE ...

                      • Sale
                      • Coming Soon
                      • On Order

                      $69,995

                        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 2023 Keystone Cougar Half-Ton 23MLE available in Milford, Delaware
                          19

                          Used 2023 Keystone Cougar Half-Ton 23MLE

                          Used Fifth Wheel in Milford, Delaware 19963

                          For Sale by Delmarva RV Center

                          2023 COUGAR HALF TON BY KEYSTONE 23MLE   POWER AWNING DRY WEIGHT 7820LBS ONE SLIDE DUCTED ROOF A/C SLEEPS 4 OUTSIDE REFRIGERATOR PANTRY DINETTE DOUBLE DOOR REFRIGERATOR FLATSCREEN TV  FRONT BEDROOM  SIDE BATHROOM   WE WANT YOUR BUSINESS ...

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

                          $35,995

                            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 316RLS available in Milford North, Delaware
                              23

                              New 2026 Keystone Cougar 316RLS

                              New Fifth Wheel in Milford North, Delaware 19963

                              For Sale by Delmarva RV Center (Milford North)

                              2026 KEYSTONE COUGAR 316RLS   POWER AWNING DRY WEIGHT 11090LBS 3 SLIDES DUCTED ROOF A/C SLEEPS 4 FRONT BEDROOM SIDE BATHROOM PANTRY FLATSCREEN TV  FIREPLACE   WE WANT YOUR BUSINESS FOLKS!! WE TAKE ALL TYPES OF TRADES!! WE CAN PROVIDE FAST AN ...

                              • Sale
                              • In Stock
                              • New Arrival

                              $67,995

                                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 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

                                    $39,995

                                      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

                                        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 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

                                            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

                                              New 2026 Keystone Cougar Half-Ton 32BHS available in Milford North, Delaware
                                              20

                                              New 2026 Keystone Cougar Half-Ton 32BHS

                                              New Fifth Wheel in Milford North, Delaware 19963

                                              For Sale by Delmarva RV Center (Milford North)

                                              2026 KEYSTONE COUGAR HALF TON 32BHS   POWER AWNING FRONT AND REAR ENTRY DOORS 2 SLIDES OUTSIDE KITCHEN DRY WEIGHT 9550LBS DUCTED ROOF A/C SLEEPS 10 FRONT BEDROOM SIDE BATHROOM BUNK ROOM BATH AND  A HALF DINETTE DOUBLE DOOR REFRIGERATOR FLATSCREEN ...

                                              • Sale
                                              • In Stock
                                              • New Arrival

                                              $57,995

                                                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

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