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

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

125 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 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

$45,999

    Used 2017 Keystone Cougar XLite 32FBS 2-BdRM Triple Slide available in Williamstown, New Jersey
    51

    Used 2017 Keystone Cougar XLite 32FBS 2-BdRM Triple Slide

    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

    $24,995

      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 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 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 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 2019 Keystone Hideout 179LHS Dinette Slide, Front Queen, Rear Bath available in Williamstown, New Jersey
              33

              Used 2019 Keystone Hideout 179LHS Dinette Slide, Front Queen, Rear Bath

              Used Travel Trailer in Williamstown, New Jersey 08094

              For Sale by White Horse RV Center

              **This RV is Route 66 CERTIFIED with 66-DAY LIMITED WARRANTY** 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 f ...

              • Sale
              • Blow Out Price
              • Special
              • Under Warranty

              $12,995

                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

                  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 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

                      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 2022 Keystone Bullet Crossfire 1700BH available in Newfield, New Jersey
                        18

                        Used 2022 Keystone Bullet Crossfire 1700BH

                        Used Travel Trailer in Newfield, New Jersey 08344

                        For Sale by Crossroads Trailer Sales, Inc.

                        Keystone Bullet Crossfire 1700BH Travel Trailer — 21 feet 4 inches long, 8 feet wide Overview  This unit has a solar package!! The 2022 Keystone Bullet Crossfire 1700BH is a compact, towable RV designed for family adventures and weekend escapes. ...

                        • Sale
                        • Consignment
                        • In Stock
                        • New Arrival

                        $18,900

                          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 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 2013 Keystone Outback 312BH available in Willow Street, Pennsylvania
                              27

                              Used 2013 Keystone Outback 312BH

                              Used Travel Trailer in Willow Street, Pennsylvania 17584

                              For Sale by RV Value Mart - Willow Street

                              Double Slide Keystone Outback Bunkhouse Travel Trailer w/Rear Air Sofa Bed Slideout w/Bunk Above, TV Shelf & Storage Cabinet, Outside Kitchen Including Refrig., Sink, Grill, Flip-Out Stove, Pantry/Wardrobe Inside, King Dinette & Air Sofa Sleeper Slide w/Ov ...

                              • Sale

                              $11,966

                                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 2013 Keystone Passport 2650BH Grand Touring available in Willow Street, Pennsylvania
                                  27

                                  Used 2013 Keystone Passport 2650BH Grand Touring

                                  Used Travel Trailer in Willow Street, Pennsylvania 17584

                                  For Sale by RV Value Mart - Willow Street

                                  Passport Travel Trailer by Keystone RV w/Rear Corner Bath Including: Toilet, Sink & Tub/Shower, Rear Corner Bunk Beds, Wardrobe, U-Dinette & Fold-Down Sofa Slideout w/Overhead Cabinets, Pantry, Refrigerator, 3 Burner Range, Dbl. Kitchen Sink, Swivel TV Cab ...

                                  • Sale

                                  $9,566

                                    Used 2012 Keystone Outback 312BH available in Milford North, Delaware
                                    20

                                    Used 2012 Keystone Outback 312BH

                                    Used Travel Trailer in Milford North, Delaware 19963

                                    For Sale by Delmarva RV Center (Milford North)

                                    2012 OUTBACK BY KEYSTONE 312BH   AWNING 2 SLIDES DRY WEIGHT 7,579LBS OUTSIDE KITCHEN DUCTED ROOF A/C SLEEPS 10 FRONT BEDROOM SIDE BATHROOM BUNK ROOM U SHAPED DINETTE FLATSCREEN TV  DOUBLE DOOR REFRIGERATOR   WE WANT YOUR BUSINESS FOLKS!! WE ...

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

                                    $16,900

                                      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

                                      $18,900

                                        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 350LLK available in Milford, Delaware
                                          24

                                          New 2026 Keystone Cougar 350LLK

                                          New Fifth Wheel in Milford, Delaware 19963

                                          For Sale by Delmarva RV Center

                                          G   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!! WE TAKE ALL TYPES OF TRADES ...

                                          • Sale
                                          • In Stock
                                          • New Arrival

                                          $79,995

                                            Used 2015 Keystone Outback Terrain Ultra Lite 260TRS available in Willow Street, Pennsylvania
                                            25

                                            Used 2015 Keystone Outback Terrain Ultra Lite 260TRS

                                            Used Travel Trailer in Willow Street, Pennsylvania 17584

                                            For Sale by RV Value Mart - Willow Street

                                            This Outback Terrain Ultra Lite travel trailer 260TRS features double slides for added space, a rear king bed slide, and a convenient outside kitchen.Check out the front outside kitchen area with refrigerator, sink, and flip-out two burner stove. This kitc ...

                                            • Sale

                                            $13,991

                                              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

                                                Used 2020 Keystone Passport Grand Touring 2210RB Front Queen, Theater Seating Slide available in Williamstown, New Jersey
                                                43

                                                Used 2020 Keystone Passport Grand Touring 2210RB Front Queen, Theater Seating Slide

                                                Used Travel Trailer in Williamstown, New Jersey 08094

                                                For Sale by White Horse RV Center

                                                **This RV is Route 66 CERTIFIED with 66-DAY LIMITED WARRANTY** 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 f ...

                                                • Sale
                                                • Blow Out Price
                                                • Special
                                                • Under Warranty

                                                $18,995

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