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

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  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 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 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 2011 Keystone Montana Mountaineer 345DBQ 2-BdRM Quad Slide, 1 & 1/2 Baths, Bunks available in Williamstown, New Jersey
        51

        Used 2011 Keystone Montana Mountaineer 345DBQ 2-BdRM Quad Slide, 1 & 1/2 Baths, Bunks

        Used Fifth Wheel 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

        $17,995

          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

            Used 2018 Keystone Cougar Half-Ton Series 32RLI available in Willow Street, Pennsylvania
            26

            Used 2018 Keystone Cougar Half-Ton Series 32RLI

            Used Travel Trailer in Willow Street, Pennsylvania 17584

            For Sale by RV Value Mart - Willow Street

            Keystone Cougar Half-Ton Series travel trailer 32RLI highlights: Triple Slides Rear Living Kitchen Island Two Awnings Ground Control Power Jack ThisCougar Half-Ton Series travel trailer32RLIwill provide plenty of room for relaxation, entertaining, and slee ...

            • Sale

            $24,966

              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 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 Passport Classic 260BHC available in Elizabethtown, Pennsylvania
                  26

                  New 2026 Keystone Passport Classic 260BHC

                  New Travel Trailer in Elizabethtown, Pennsylvania 17022

                  For Sale by General RV Center

                  Keystone RV Passport Classic travel trailer 260BHC highlights: Dual Entry Doors 21' Awning Jack Knife Sofa Kitchen Pantry Sleeps Eight The double-size bunks in this spacious travel trailer make it family approved and perfect for camping with a larger group ...

                  • Sale

                  $25,999

                    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

                      Used 2011 Keystone Cougar 325SRX available in Newfield, New Jersey
                      26

                      Used 2011 Keystone Cougar 325SRX

                      Used Toy Hauler in Newfield, New Jersey 08344

                      For Sale by Crossroads Trailer Sales, Inc.

                      Discover the Versatile 2011 Keystone Cougar Toy Hauler RVIf you're in search of a reliable and spacious travel trailer that combines comfort with utility, the 2011 Keystone Cougar Toy Hauler is an excellent choice. Designed for adventure seekers and outdoo ...

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

                      $9,900

                        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 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

                            New 2026 Keystone Springdale Villa 381BH available in Clermont, New Jersey
                            34

                            New 2026 Keystone Springdale Villa 381BH

                            New Destination Trailer in Clermont, New Jersey 08210

                            For Sale by Driftwood RV Center

                            Keystone Springdale Villa destination trailer 381BH highlights: Two Full Baths Patio Door Tri-Fold Sofa Fireplace Bunkhouse Suite This is the perfect trailer to travel with friends and family since there are is a front private bedroom and a rear private bu ...

                              $70,546
                              Get Sale Price!

                                New 2025 Keystone Hideout Sport 220BH available in Clayton, Delaware
                                22

                                New 2025 Keystone Hideout Sport 220BH

                                New Travel Trailer in Clayton, Delaware 19938

                                For Sale by Alexander RV Center

                                **GREAT VALUE!!** ONLY 3,625 LBS! SLEEPS 4 PEOPLE FULL PASS THRU STORAGE COMPARTMENT QUEEN BED 2 SINGLE BUNK BEDS FREE STANDING TABLE POWER AWNING TANKNLESS WATER HEATER SOLAR & INVERTER PREPPED MANY UPGRADED OPTIONS **ROOF MOUNTED 13,500 BTU A/C, FULL ...

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

                                $17,973

                                  New 2025 Keystone Hideout 28RKD available in Clayton, Delaware
                                  26

                                  New 2025 Keystone Hideout 28RKD

                                  New Travel Trailer in Clayton, Delaware 19938

                                  For Sale by Alexander RV Center

                                  NEW ARRIVAL!! 2 SLIDE OUTS LARGE REAR KITCHEN THEATER SEATS U-SHAPED DINETTE ROOF MOUNTED SOLAR PANEL 2 PANTRYS TANKLESS HOT WATER HEATER

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

                                  $33,995

                                    New 2025 Keystone Hideout East 24RBS available in Clayton, Delaware
                                    27

                                    New 2025 Keystone Hideout East 24RBS

                                    New Travel Trailer in Clayton, Delaware 19938

                                    For Sale by Alexander RV Center

                                    **REAR BATH** 1 SLIDE OUT HEATED & ENCLOSED UNDERBELLY ROOF MOUNTED SOLAR PANEL 12 VOLT REFRIGERATOR TANKLESS HOT WATER HEATER OUTSIDE KITCHEN TRI-FOLD SOFA BOOTH DINETTE HUGE REAR BATH!!

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

                                    $28,650

                                      Used 2021 Keystone Montana 383TH available in Morrisville, Pennsylvania
                                      184

                                      Used 2021 Keystone Montana 383TH

                                      Used Toy Hauler in Morrisville, Pennsylvania 19067

                                      For Sale by Pop RVs

                                      Stock #432258 - Large fifth wheel! Lots of great features with toy room!Located in Southeast Pennsylvania.2021 Montana High Country (by Keystone) 383TH. This fifth-wheel toy hauler is designed to elevate your travel adventures with comfort and functionalit ...

                                      • Consignment

                                      $55,600

                                        Used 2015 Keystone Cougar X-Lite 29RLI available in Clermont, New Jersey
                                        26

                                        Used 2015 Keystone Cougar X-Lite 29RLI

                                        Used Fifth Wheel in Clermont, New Jersey 08210

                                        For Sale by Driftwood RV Center

                                        This Cougar X-Lite fifth wheel 29RLI features a rear living area, triple slides, and a convenient center island. As you step inside you are greeted with a spacious combined kitchen and living area with dual slide outs. To the immediate left inside the door ...

                                        • Sale

                                        $22,000

                                          New 2026 Keystone Hideout 38DBD **KING & QUEEN BED** available in Clayton, Delaware
                                          31

                                          New 2026 Keystone Hideout 38DBD **KING & QUEEN BED**

                                          New Destination Trailer in Clayton, Delaware 19938

                                          For Sale by Alexander RV Center

                                          **LUXURY PARK TRAILER!!** 3 SLIDES OUTS  3 A/C UNITS (50 AMP) 2 BEDROOMS 2 FULL BATHROOMS SLIDING GLASS PATIO DOOR RESIDENTIAL REFRIGERATOR TANKLESS HOT WATER HEATER FRONT KING BED REAR QUEEN BED **PERFECT FOR PARKING ON A SEASONAL LOT**

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

                                          $49,867

                                            New 2025 Keystone Residence 401LOFT available in Clermont, New Jersey
                                            32

                                            New 2025 Keystone Residence 401LOFT

                                            New Destination Trailer in Clermont, New Jersey 08210

                                            For Sale by Driftwood RV Center

                                            Keystone Residence destination trailer 401LOFT highlights: Loft Area Dual Entry Front Living Area Free-Standing Table Kitchen Island Three Slides Get ready for fun at your own Residence each and every time you arrive! You will have your own king bed slide ...

                                              $97,689
                                              Get Sale Price!

                                                New 2025 Keystone Hideout East 31BRD available in Clayton, Delaware
                                                28

                                                New 2025 Keystone Hideout East 31BRD

                                                New Travel Trailer in Clayton, Delaware 19938

                                                For Sale by Alexander RV Center

                                                **2 BEDROOM**OUTSIDE KITCHEN** 2 SLIDE OUTS HUGE OUTSIDE KITCHEN SLEEPS 11 PEOPLE 2 ENTRY/EXIT DOORS 2ND A/C PREPPED (50 AMP) ROOF MOUNTED SOLAR PANEL TANKLESS HOT WATER HEATER **GREAT FOR PARKING SEASONALLY OR TOWING**  

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

                                                $35,843

                                                  New 2025 Keystone Hideout Sport East 240BH available in Clayton, Delaware
                                                  25

                                                  New 2025 Keystone Hideout Sport East 240BH

                                                  New Travel Trailer in Clayton, Delaware 19938

                                                  For Sale by Alexander RV Center

                                                  **LITE-WEIGHT BUNKHOUSE** SLEEPS 10 PEOPLE TANKLESS HOT WATER HEATER SOLAR PREPPED POWER TONGUE JACK & AWNING TONS OF STORAGE **EASILY TOWABLE WITH MOST FULL SIZE SUV'S AND TRUCKS**

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

                                                  $21,995

                                                    Used 2021 Keystone Cougar 316RLS available in Pylesville, Maryland
                                                    14

                                                    Used 2021 Keystone Cougar 316RLS

                                                    Used Fifth Wheel in Pylesville, Maryland 21132

                                                    For Sale by Pop RVs

                                                    Stock #464812 - Loaded, 1-Owner, Stored Inside, 2021 Keystone Cougar 316RLS, King Bed, Levelers, W/D Prep. Solar.********************** CERTIFIED SINGLE OWNER **********************This one-owner, 2021 Keystone Cougar 316RLS 5th wheel is loaded with every ...

                                                    • Consignment

                                                    $44,500

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