• Price
  • To
  • Length
  • To
  • Dry Weight
  • To
  • Mileage
  • To
  • Sleeping Capacity
  • To

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

81 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 34TSB available in Milford North, Delaware
23

New 2026 Keystone Cougar 34TSB

New Travel Trailer in Milford North, Delaware 19963

For Sale by Delmarva RV Center (Milford North)

2026 COUGAR BY KEYSTONE 34TSB   POWER AWNING DRY WEIGHT 8890LBS 3 SLIDES DUCTED ROOF A/C OUTSIDE REFRIGERATOR SLEEPS 9 FRONT BEDROOM SIDE BATHROOM DINETTE DOUBLE DOOR REFRIGERATOR BUNK ROOM FLATSCREEN TV  FIREPLACE     WE WANT YOUR BUSI ...

  • 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 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

        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 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 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 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 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

                  New 2026 Keystone Cougar Half-Ton East 25FKD available in Milford North, Delaware
                  23

                  New 2026 Keystone Cougar Half-Ton East 25FKD

                  New Travel Trailer in Milford North, Delaware 19963

                  For Sale by Delmarva RV Center (Milford North)

                  2026 COUGAR HALF TON BY KEYSTONE MODEL 25FKD   POWER AWNING 2 SLIDES SLEEPS 4 REAR BEDROOM DUCTED ROOF A/C WALKTHROUGH BATHROOM DINETTE FLATSCREEN TV  FIREPLACE PANTRY DOUBLE DOOR REFRIGERATOR    WE WANT YOUR BUSINESS FOLKS!! WE TAKE AL ...

                  • Sale
                  • In Stock
                  • New Arrival

                  $44,995

                    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

                      Used 2021 Keystone Cougar Half-Ton East 26RBS available in Milford North, Delaware
                      19

                      Used 2021 Keystone Cougar Half-Ton East 26RBS

                      Used Travel Trailer in Milford North, Delaware 19963

                      For Sale by Delmarva RV Center (Milford North)

                      2021 COUGAR HALF TON BY KEYSTONE 26RBS   DRY WEIGHT 6620LBS POWER AWNING ONE SLIDE DUCTED ROOF A/C SLEEPS 4 FRONT BEDROOM REAR BATHROOM DINETTE FLATSCREEN TV  FIREPLACE DOUBLE DOOR REFRIGERATOR   WE WANT YOUR BUSINESS FOLKS!! WE TAKE ALL TYP ...

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

                      $29,900

                        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

                        $19,900

                          Used 2023 Keystone Hideout 28RKS available in Milford North, Delaware
                          18

                          Used 2023 Keystone Hideout 28RKS

                          Used Travel Trailer in Milford North, Delaware 19963

                          For Sale by Delmarva RV Center (Milford North)

                          2023 HIDEOUT BY KEYSTONE 28RKS   POWER AWNING W/LED LIGHTS OUTSIDE KITCHEN DRY WEIGHT 6840LBS ONE SLIDE SLEEPS 4 FRONT BEDROOM SIDE BATHROOM FIREPLACE FLATSCREEN TV  DUCTED ROOF A/C DOUBLE DOOR REFRIGERATOR   WE WANT YOUR BUSINESS FOLKS!! WE ...

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

                          $24,900

                            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 2017 Keystone Raptor 425TS available in Milford North, Delaware
                              24

                              Used 2017 Keystone Raptor 425TS

                              Used Toy Hauler in Milford North, Delaware 19963

                              For Sale by Delmarva RV Center (Milford North)

                              2018 RAPTOR BY KEYSTONE 425TS   POWER AWNING 3 SLIDES DUCTED ROOF A/C SLEEPS 9 UPPER LOFT AREA POWER DROP DOWN BEDS FRONT BEDROOM BATH AND A HALF  FLATSCREEN TV  LARGE REFRIGERATOR WALKTHROUGH BATHROOM FIREPLACE WASHER/DRYER PREP    ...

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

                              $44,900

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

                                New 2026 Keystone Cougar Half-Ton East 29RLP

                                New Travel Trailer in Milford North, Delaware 19963

                                For Sale by Delmarva RV Center (Milford North)

                                2026 COUGAR HALF TON BY KEYSTONE 29RLP   POWER AWNING 2 SLIDES DUCTED ROOF A/C SLEEPS 4 FRONT BEDROOM SIDE BATHROOM DINETTE PANTRY DOUBLE DOOR REFRIGERATOR FLATSCREEN TV  FIREPLACE   WE WANT YOUR BUSINESS FOLKS!! WE TAKE ALL TYPES OF TRADES! ...

                                • Sale
                                • Coming Soon
                                • On Order

                                $47,995

                                  New 2026 Keystone Cougar Half-Ton 33RLI available in Milford North, Delaware
                                  27

                                  New 2026 Keystone Cougar Half-Ton 33RLI

                                  New Travel Trailer in Milford North, Delaware 19963

                                  For Sale by Delmarva RV Center (Milford North)

                                  2026 COUGAR HALF TON BY KEYSTONE MODEL 33RLI   POWER AWNING 3 SLIDES DRY WEIGHT 8550LBS 50 AMP POWER SUPPLY DUCTED ROOF A/C SLEEPS 4 FRONT BEDROOM W/KING BED SIDE BATHROOM DOUBLE DOOR REFRIGERATOR PANTRY FIREPLACE FLATSCREEN TV WE WANT YOUR BUSINESS F ...

                                  • Sale
                                  • In Stock
                                  • New Arrival

                                  $52,995

                                    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 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

                                        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

                                          Used 2021 Keystone Fuzion 373 available in Milford, Delaware
                                          26

                                          Used 2021 Keystone Fuzion 373

                                          Used Toy Hauler in Milford, Delaware 19963

                                          For Sale by Delmarva RV Center

                                          2021 FUZION BY KEYSTONE 373   POWER AWNING 3 SLIDES DRY WEIGHT 14,460LBS FRONT AND REAR ENTRY DOORS DUCTED ROOF A/C SLEEPS 8 FRONT BEDROOM SIDE BATHROOM BATH AND  A HALF FIREPLACE 2 FLATSCREEN TV'S  LARGE SIDE BY SIDE REFRIGERATOR LOFT AREA ...

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

                                          $59,900

                                            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

                                            $14,995

                                              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

                                                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

                                                  Some text as placeholder. In real life you can have the elements you have chosen. Like, text, images, lists, etc.