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  1. J/105 Class Association

    Nov 1, 2025 · According to Jeff Johnstone, President of JBoats, the J/105 has overwhelmed the entire 30-37 foot keelboat market. And he is not only speaking about his competitors, but boats in his own …

  2. Owner’s Guide – J/105 Class Association

    Owner’s Guide The J/105 Owner Guide is now complete. Readers are cautioned that this web version

  3. Buyer’s Guide – J/105 Class Association

    I have made some modifications to the plumbing in order to simplify it. We as a family find it to be a very cruisable boat, easily sailed shorthanded (ie only 2 people) under a wide variety of conditions. If you …

  4. J/105 Information – J/105 Class Association

    J/105 Newsletters Owner’s Guide Buyer’s Guide Chartering a J105 Tips & Articles Tech Specs Resources

  5. Classifieds – J/105 Class Association

    J/105 Classifieds - J/105s For Sale, Wanted to Buy, Equipment and Accessories

  6. Browse Ads – J/105 Class Association

    Sep 7, 2025 · Used J105 Sails Looking for lightly used AP sails for J105 for SF Bay club racing.

  7. Rules – J/105 Class Association

    Feb 1, 2012 · Documents Class Rules 2026 (PDF) (01/01/2026) J/105 Class Guide to Compliance with the Class Rules (04/02/2021) Equipment Rules of Sailing 2013-2016 (2016) Details, Frequently …

  8. Why Buy a J/105? – J/105 Class Association

    Why Buy a J/105? According to Jeff Johnstone, President of JBoats, “the J/105 has overwhelmed the entire 30-37 foot keelboat market.” And he is not only speaking about his competitors, but boats in …

  9. 2025 J/105 North American Championship – J/105 Class Association

    Sep 17, 2025 · J/105 Newsletters Owner’s Guide Buyer’s Guide Chartering a J105 Tips & Articles Tech Specs Resources

  10. J105 Rigging & Specifications