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View New & Used Keystone RVs for Sale in or near Mountainside, New Jersey

54 listings available

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 2022 Keystone Cougar East 316RLS available in Souderton, Pennsylvania

Used 2022 Keystone Cougar East 316RLS

Used Fifth Wheel in Souderton, Pennsylvania 18964

One owner, great condition trade in available!

  • Recent Trade-In
  • Length: 35' 9"
  • Dry Weight: 10,436 lbs
  • # Slideouts: 3
  • Sleeping Cap: 6
New 2023 Keystone Passport SL Series 268BH available in Souderton, Pennsylvania

New 2023 Keystone Passport SL Series 268BH

New Travel Trailer in Souderton, Pennsylvania 18964

  • Sale
  • Length: 30' 10"
  • Dry Weight: 5,862 lbs
  • # Slideouts: 1
  • Sleeping Cap: 10
New 2024 Keystone Passport 170BH available in Souderton, Pennsylvania

New 2024 Keystone Passport 170BH

New Travel Trailer in Souderton, Pennsylvania 18964

Check out this light weight mini bunk house! This is a great light weight family trailer.  

  • Sale
  • In Stock
  • New Arrival
  • Length: 17' 0"
  • Dry Weight: 3,500 lbs
New 2024 Keystone Avalanche 378BH available in Souderton, Pennsylvania

New 2024 Keystone Avalanche 378BH

New Fifth Wheel in Souderton, Pennsylvania 18964

Fresh new 378 IN STOCK!

  • In Stock
  • Length: 40' 7"
  • Dry Weight: 13,820 lbs
  • # Slideouts: 4
  • Sleeping Cap: 10
Used 2022 Keystone Passport Grand Touring East 2400RB GT available in Souderton, Pennsylvania

Used 2022 Keystone Passport Grand Touring East 2400RB GT

Used Travel Trailer in Souderton, Pennsylvania 18964

Great layout with large rear bath.  Washer/dryer prep.  

  • Sale
  • In Stock
  • Recent Trade-In
  • Length: 28' 10"
  • Dry Weight: 5,725 lbs
  • # Slideouts: 1
  • Sleeping Cap: 4
Used 2017 Keystone Passport SL Series East 199ML available in Souderton, Pennsylvania

Used 2017 Keystone Passport SL Series East 199ML

Used Travel Trailer in Souderton, Pennsylvania 18964

Check out this awesome layout with Murphy bed and u-shaped dinette.  Large rear bath! 

  • In Stock
  • New Arrival
  • Length: 22' 9"
  • Dry Weight: 4,016 lbs
  • # Slideouts: 1
  • Sleeping Cap: 4
Used 2020 Keystone Passport SL Series East 199ML available in Souderton, Pennsylvania

Used 2020 Keystone Passport SL Series East 199ML

Used Travel Trailer in Souderton, Pennsylvania 18964

Check out this awesome layout with Murphy bed and u-shaped dinette.  Large rear bath! 

  • Recent Trade-In
  • Length: 22' 9"
  • Dry Weight: 4,016 lbs
  • # Slideouts: 1
  • Sleeping Cap: 4
New 2024 Keystone Passport Mini 190RD available in Souderton, Pennsylvania

New 2024 Keystone Passport Mini 190RD

New Travel Trailer in Souderton, Pennsylvania 18964

  • Sale
  • In Stock
  • New Arrival
  • Length: 21' 11"
  • Dry Weight: 3,510 lbs
  • Sleeping Cap: 4
New 2023 Keystone Passport SL Series East 282QB available in Souderton, Pennsylvania

New 2023 Keystone Passport SL Series East 282QB

New Travel Trailer in Souderton, Pennsylvania 18964

  • Sale
  • In Stock
  • Length: 33' 3"
  • Dry Weight: 6,166 lbs
  • # Slideouts: 1
  • Sleeping Cap: 10
Used 2014 Keystone Sprinter 300KBS available in Souderton, Pennsylvania

Used 2014 Keystone Sprinter 300KBS

Used Travel Trailer in Souderton, Pennsylvania 18964

  • Sale
  • Sale Pending
  • Length: 34' 5"
  • Dry Weight: 7,880 lbs
  • # Slideouts: 2
  • Sleeping Cap: 6
New 2023 Keystone Cougar Half-Ton 25RDS available in Souderton, Pennsylvania

New 2023 Keystone Cougar Half-Ton 25RDS

New Travel Trailer in Souderton, Pennsylvania 18964

Large rear u-shaped dinette with large counter space.  Perfect trailer for small family or couples! 

  • 360 Tour
  • In Stock
  • Length: 29' 10"
  • Dry Weight: 6,303 lbs
  • # Slideouts: 1
  • Sleeping Cap: 6
Used 2017 Keystone Passport Ultra Lite Grand Touring 3320BH available in Souderton, Pennsylvania

Used 2017 Keystone Passport Ultra Lite Grand Touring 3320BH

Used Travel Trailer in Souderton, Pennsylvania 18964

Awesome family layout with large bunkhouse and tons of storage! Slide toppers added on two slides.  

  • Sale
  • Recent Trade-In
  • Length: 36' 10"
  • Dry Weight: 6,586 lbs
  • # Slideouts: 3
  • Sleeping Cap: 11
New 2023 Keystone Passport Grand Touring 2704RK available in Souderton, Pennsylvania

New 2023 Keystone Passport Grand Touring 2704RK

New Travel Trailer in Souderton, Pennsylvania 18964

Nice rear kitchen couples unit with tons of storage! 

  • 360 Tour
  • In Stock
  • Length: 31' 11"
  • Dry Weight: 6,405 lbs
  • Sleeping Cap: 6
New 2023 Keystone Cougar East 355FBS available in Souderton, Pennsylvania

New 2023 Keystone Cougar East 355FBS

New Fifth Wheel in Souderton, Pennsylvania 18964

  • Sale
  • 360 Tour
  • In Stock
  • Length: 39' 3"
  • Dry Weight: 11,357 lbs
  • # Slideouts: 3
  • Sleeping Cap: 6
New 2024 Keystone Cougar Sport 2100RK available in Souderton, Pennsylvania

New 2024 Keystone Cougar Sport 2100RK

New Fifth Wheel in Souderton, Pennsylvania 18964

awesome new layout from cougar at a reasonable price.  JUST ARRIVED

  • Blow Out Price
  • In Stock
  • Length: 26' 3"
  • Dry Weight: 6,815 lbs
  • # Slideouts: 1
  • Sleeping Cap: 6
New 2024 Keystone Cougar Sport 2700BH available in Souderton, Pennsylvania

New 2024 Keystone Cougar Sport 2700BH

New Fifth Wheel in Souderton, Pennsylvania 18964

Awesome new floor plan from cougar at a great price!  lite weight and ready for camping

  • 360 Tour
  • New Arrival
  • Length: 32' 3"
  • Dry Weight: 7,580 lbs
  • # Slideouts: 1
  • Sleeping Cap: 9
New 2023 Keystone Passport Grand Touring 2951BH GT available in Souderton, Pennsylvania

New 2023 Keystone Passport Grand Touring 2951BH GT

New Travel Trailer in Souderton, Pennsylvania 18964

Great family layout with double bunks.  Back door opens and lower bunk rises for additional storage of bikes, coolers, canoes, etc.  Comes with lithium batteries! And on demand water heater! 

  • Sale
  • 360 Tour
  • In Stock
  • Length: 33' 8"
  • Dry Weight: 6,430 lbs
  • # Slideouts: 1
  • Sleeping Cap: 10
New 2024 Keystone Cougar 316RLS available in Souderton, Pennsylvania

New 2024 Keystone Cougar 316RLS

New Fifth Wheel in Souderton, Pennsylvania 18964

WOW fully body painted cougar!  One of the best layouts on the market!

    • Length: 35' 8"
    • Dry Weight: 10,679 lbs
    • # Slideouts: 3
    • Sleeping Cap: 6
    New 2024 Keystone Passport Mini 170BH available in Souderton, Pennsylvania

    New 2024 Keystone Passport Mini 170BH

    New Travel Trailer in Souderton, Pennsylvania 18964

    Awesome little trailer at a great price light wight with bunks

    • New Arrival
    • Length: 21' 5"
    • Dry Weight: 3,485 lbs
    • Sleeping Cap: 6
    Used 2010 Keystone Cougar 31SQB available in Souderton, Pennsylvania

    Used 2010 Keystone Cougar 31SQB

    Used Travel Trailer in Souderton, Pennsylvania 18964

      • Length: 35' 8"
      • Dry Weight: 6,679 lbs
      • Sleeping Cap: 8
      New 2023 Keystone Passport Grand Touring 2870RL GT available in Souderton, Pennsylvania

      New 2023 Keystone Passport Grand Touring 2870RL GT

      New Travel Trailer in Souderton, Pennsylvania 18964

      Large rear living space with tons of storage space! This unit comes with solar, 12v fridge, power jacks and more! 

      • Sale
      • In Stock
      • Length: 33' 0"
      • Dry Weight: 6,962 lbs
      • # Slideouts: 2
      • Sleeping Cap: 6
      New 2024 Keystone Cougar 354FLS available in Souderton, Pennsylvania

      New 2024 Keystone Cougar 354FLS

      New Fifth Wheel in Souderton, Pennsylvania 18964

      Awesome new front living room fifth wheel IN STOCK!  2 AC's, Solar Flex 400iu with Lithium Batteries! 

      • 360 Tour
      • Available to Order
      • Length: 39' 2"
      • Dry Weight: 11,041 lbs
      • # Slideouts: 3
      • Sleeping Cap: 6
      New 2023 Keystone Cougar 320RDS available in Souderton, Pennsylvania

      New 2023 Keystone Cougar 320RDS

      New Fifth Wheel in Souderton, Pennsylvania 18964

      Check out this awesome rear den layout! This new model is a MUST SEE!  

      • Sale
      • 360 Tour
      • In Stock
      • New Arrival
      • Length: 36' 10"
      New 2024 Keystone Cougar Half-Ton 29RLISE available in Souderton, Pennsylvania

      New 2024 Keystone Cougar Half-Ton 29RLISE

      New Fifth Wheel in Souderton, Pennsylvania 18964

      Lightest weight triple slide fifth wheel out there!  Stop by for a tour!

        • Length: 32' 9"
        • Dry Weight: 8,893 lbs
        • # Slideouts: 3
        • Sleeping Cap: 4
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