Viper 640

International Class Association
  • Why Viper
    • About Viper 640
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Vipers sailing just off the starting line at the Long Beach Worlds in 2019
Long Beach Worlds in 2019 - Photo by Sharon Green/Ultimate Sailing

Great Lakes Viper Fleet

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    • About the Class
    • Constitution & Bylaws
    • Rules
    • Sail Registration
    • Bow Numbers
    • Electronic Devices
    • Join the Class
    • Class Officers
    • Class Newsletter
    • US
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    Find a Fleet Near You

    With World Sailing recognition, Vipers are being shipped globally.

    Get In Touch

    Contact Class Leaders, Find a demo boat or contact the builder for new sales.

    Viper 640 Outline Drawing
    Check Out The Boat

    Easy to get sailing and up to speed, yet all the one design competition you can handle.




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