Official owners association site, providing sailboat model information, builder history, news and events, member registry, message board, and store.

Informal owners club site. Offers model information, photographs, registry of boats and owners, news, articles, and reviews.

Official owners association site. Provides Columbia sailboat model information, owners registry, technical resources, and events.

Website of both the CS Owners Association and the CS Yacht Owners West. Includes email list, knowledge-base, parts and suppliers information, model reviews and articles, and classified advertisements.

Official owners association for Westerly yachts in the UK. Includes magazine, membership information, member insurance, regional group activities; model specifications, reviews and guides; forum, classified advertisements, store, and members-only section.

For owners of Aloha models 27, 28, 30 and 32. Includes boat specifications, brochures and manuals, galleries, events calendar, project articles, marketplace and member forum.

Official owners association site for Stevenson Projects boats. Includes FAQs, forums, store, and member registry. Home of 'Gaff Rig', a quarterly magazine featuring sailing and building articles.

Official UK owners association site. Includes news, articles, race fixtures and results, model specifications, gallery, message board and marketplace.

Informal owners group site. Offers model specifications and history, message board, classified advertisements, and photo gallery with brochures.

Official New Zealand Herreshoff H28 owners association site. Provides vessel specifications and history, information on chartering, membership, events, cruising and racing, as well as technical advice, articles, classified advertisements, photo galler...