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• 2025 Rocky Mountain Koi Show and Aquatic Expo

  • Start
    Thursday, August 28, 2025
  •  
    9:00 AM
  • End
    Sunday, August 31, 2025
  •  
    5:00 PM
  • Location
    Douglas County Fairgrounds, Large Animal Barn, 500 Fairgrounds Rd, Castle Rock, CO 80104

  Click Here for all the show details
  

  Come join us for the 2025 35th Annual Rocky Mountain Koi Show and Aquatic Expo!

  

  While we're still at the Douglas County Fairgrounds, we are moving to a larger space to accommodate our growth!  PLUS this year, we are adding aquatic vendors who will have both freshwater and saltwater tanks and fish and corals.  

  Come hang out with your fellow fish people!

  We will have some of the top koi in the country, entertainment, some of the best vendors selling fish and dry goods from across the country, and many other special attractions that are to be announced!

  
  

  We're always looking for volunteers, so please reach out to a board member if you're able to help.

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