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

160 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 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

    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

      Used 2014 Keystone Hideout 27DBS available in Newfield, New Jersey
      24

      Used 2014 Keystone Hideout 27DBS

      Used Travel Trailer in Newfield, New Jersey 08344

      For Sale by Crossroads Trailer Sales, Inc.

      <>2014 Travel Trailer 27DBS Towable RV OverviewDiscover a dependable 2014 towable RV designed for versatile camping and memorable road trips. This recreational vehicle is categorized as a Travel Trailer and features the floorplan 27DBS, crafted to balance ...

      • Sale
      • Blow Out Price
      • Recent Trade-In
      • Reduced

      $8,900

        Used 2022 Keystone Bullet 261RBS available in Willow Street, Pennsylvania
        27

        Used 2022 Keystone Bullet 261RBS

        Used Travel Trailer in Willow Street, Pennsylvania 17584

        For Sale by RV Value Mart - Willow Street

        Keystone Bullet travel trailer 261RBS highlights: Rear Bathroom 68" Tri-Fold Sofa Laundry Chute Outside Kitchen 19' Electric Awning Head out to the state park to meet your friends or enjoy a relaxing weekend with your favorite person! Or maybe you enjoy wa ...

        • Sale

        $25,966

          Used 2019 Keystone Montana 3855BR available in Elizabethtown, Pennsylvania

          Used 2019 Keystone Montana 3855BR

          Used Fifth Wheel in Elizabethtown, Pennsylvania 17022

          For Sale by General RV Center

          Keystone Montana fifth wheel 3855BR highlights: 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- ...

          • Sale

          $49,999

            New 2026 Keystone Passport 3300BK available in Elizabethtown, Pennsylvania

            New 2026 Keystone Passport 3300BK

            New Travel Trailer in Elizabethtown, Pennsylvania 17022

            For Sale by General RV Center

            Passport delivers ultra-lightweight camping loaded with multi-functional features and best-in-class storage. Passport premium models feature the brand's most spacious floorplans, including vaulted ceilings. A new front cap profile not only adds more interi ...

              $68,616

                Used 2021 Keystone Cougar HALF TON 22MLSWE available in Elizabethtown, Pennsylvania
                26

                Used 2021 Keystone Cougar HALF TON 22MLSWE

                Used Travel Trailer in Elizabethtown, Pennsylvania 17022

                For Sale by General RV Center

                With a king-size bed, this Cougar Half-Ton travel trailer shows that you can still be comfortable even while you're away from home! The bed has wardrobes and nightstands on either side, and it also has a privacy curtain to section it off from the rest of t ...

                • Sale

                $23,998

                  Used 2013 Keystone Sprinter 311BHS available in Willow Street, Pennsylvania
                  27

                  Used 2013 Keystone Sprinter 311BHS

                  Used Travel Trailer in Willow Street, Pennsylvania 17584

                  For Sale by RV Value Mart - Willow Street

                  Double Slide Sprinter Bunkhouse w/Slideout Rear Bunks w/Trundle Below, Large Wardrobe, Bunk w/Storage, Outdoor and More Exterior Kitchen w/Flip Out Stove, Bath w/Private Entry, Tub/Shower, Lav. & Toilet, U-Shaped Dinette & Air Bed Sofa Slideout, Dbl. Kitch ...

                  • Sale

                  $14,966

                    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

                      Used 2022 Keystone  SUNSET TRAIL 272BH available in Elizabethtown, Pennsylvania
                      27

                      Used 2022 Keystone SUNSET TRAIL 272BH

                      Used Travel Trailer in Elizabethtown, Pennsylvania 17022

                      For Sale by General RV Center

                      CrossRoads Sunset Trail travel trailer SS272BH highlights: Dual Entry Double-Size Bunks Tri-Fold Sofa Exterior Kitchen Exterior Docking Station Large Slide Out This travel trailer can comfortably sleep ten people each night, so invite the cousins for whole ...

                      • Sale

                      $27,999

                        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 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 2018 Keystone Montana 3130RE available in Elizabethtown, Pennsylvania

                            Used 2018 Keystone Montana 3130RE

                            Used Fifth Wheel in Elizabethtown, Pennsylvania 17022

                            For Sale by General RV Center

                            Keystone Montana fifth wheel 3130RE highlights: Rear Entertainment Center Kitchen Island Coffee Station RV Refrigerator Outdoor 32" HDTV It's time to entertain other campers inside or outside in this Montana fifth wheel 3130RE. Just imagine your guests wat ...

                            • Sale

                            $45,999

                              Used 2020 Keystone Montana 3791RD available in Elizabethtown, Pennsylvania

                              Used 2020 Keystone Montana 3791RD

                              Used Fifth Wheel in Elizabethtown, Pennsylvania 17022

                              For Sale by General RV Center

                              Keystone Montana fifth wheel 3791RD highlights: Separate Rear Living Coffee Station Kitchen Island Fireplace Residential Refrigerator Exterior Storage Tray If you want your own space to cook, your own area to watch TV, and your own private bedroom, take a ...

                              • Sale

                              $44,999

                                Used 2021 Keystone Hideout 243RB available in Elizabethtown, Pennsylvania
                                22

                                Used 2021 Keystone Hideout 243RB

                                Used Travel Trailer in Elizabethtown, Pennsylvania 17022

                                For Sale by General RV Center

                                Keystone Hideout travel trailer 243RB highlights: Dual-Vanity Sink 72" Sofa with Storage Central Vacuum Pull-Out Pantry Pass-Through Storage Fireplace You and your spouse are going to love each trip you take with this Hideout travel trailer! From the walk- ...

                                • Sale

                                $16,999

                                  Used 2021 Keystone Fuzion 373 available in Milford, Delaware
                                  26

                                  Used 2021 Keystone Fuzion 373

                                  Used Fifth Wheel 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 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 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 2022 Keystone Raptor 351 available in Elizabethtown, Pennsylvania

                                        Used 2022 Keystone Raptor 351

                                        Used Fifth Wheel in Elizabethtown, Pennsylvania 17022

                                        For Sale by General RV Center

                                        Keystone Raptor toy hauler 351 highlights: Dual Entry Doors Front Private Bedroom Fireplace Loft Outside Entertainment You won't believe all that this toy hauler has to offer! Starting with the dual entry doors, one of which leads into the 11' garage area ...

                                        • Sale

                                        $56,995

                                          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 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 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 2014 Keystone Montana High Country 338DB available in Elizabethtown, Pennsylvania

                                                Used 2014 Keystone Montana High Country 338DB

                                                Used Fifth Wheel in Elizabethtown, Pennsylvania 17022

                                                For Sale by General RV Center

                                                The perfect Montana High Country model for a larger family to enjoy is this 338DB. With triple slides, a bunkhouse for the kids, and a exterior kitchen with bumper mount grill, you will have everything you need to enjoy spending time away from home! Before ...

                                                  Get Price

                                                    Used 2015 Keystone Outback 315FRE available in Willow Street, Pennsylvania
                                                    24

                                                    Used 2015 Keystone Outback 315FRE

                                                    Used Fifth Wheel in Willow Street, Pennsylvania 17584

                                                    For Sale by RV Value Mart - Willow Street

                                                    This rear entertainment, triple slide, Outback fifth wheel 315FRE by Keystone RV, will have you and your family enjoying all of your outdoor adventures. When you enter you will see a corner refrigerator with dual pantries, one on either side. There is an L ...

                                                    • Sale

                                                    $17,866

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