Nova Scotia Bluenose Class Association
- Information about the design, the fleet, competitions, tuning sheet, photo gallery and related links.
- http://www.nsbluenoseclass.com/

S80 Association of Victoria
- Offers information on the fleet, racing calendar, race results, maintenance tips, and membership application.
- http://www.s80.org/

Antrim 27 / Ultimate 27 Class Association
- Learn all about the boat, race schedules, rig tuning, owners list, classifieds, maintenance tips, news and forum.
- http://www.u27class.org/

Chesapeake Bay Alberg 30 Association
- Information on the Alberg 30 sloop, built by Whitby Boatworks, and the designer, Carl Alberg. Includes racing schedules and results, FAQs, sales brochures, and maintenance information.
- http://www.alberg30.org/

Mount Gay 30 Class Association
- Learn all about the Association, M30 rules and specifications, with newsletter and related links.
- http://www.sailingsource.com/w30/

Bullseye Class Association
- Includes the constitution and by-laws, technical specs, rules for conducting regattas and sailing instructions, race results, hints and tips, listings of sail makers, trailer manufacturers, and photo gallery.
- http://www.bullseyeclass.org/

Niagara Sail Boat Owners
- Forum for Niagara owners.
- http://groups.yahoo.com/group/niagarasailboatownerspage/

National Triton Association
- Offers clubs, cruising, and racing information.
- http://www.tritonclass.org

Star Class District 20
- Offers racing information, weather, and frequently asked questions.
- http://www.stardistrict20.org

Hunter 707 Class Association
- Offers bulletin board, contact information, insurance, chartering, and handicap racing.
- http://www.hunter707.org.uk

Etchells Fleet 20
- Includes class rules, schedule, photos, news, message forum, and related links. Based out of Miami, Florida.
- http://www.etchellsfleet20.org

US Mariner Class Association
- Includes the President's Corner, fleet notes arranged by yacht club, boating tips, regatta schedules and results, classifieds and membership application.
- http://www.usmariner.org/

International 5.5 Metre Class Association
- Introduction by the President, news updates, committee and officers listings, boats for sale, class rules and coming events.
- http://www.5point5.org/

National Firefly Association
- Find out all about the class and its long history. Includes calendar of events, news, team racing information, classifieds, tips and contact information.
- http://www.fireflysailing.co.uk/

International Dragon Class/Germany
- German and international fixtures, results of races, addresses, guest book and marketplace for the Dragon Class. Meeting point for friends of the classic wooden Dragon: Hamburger Segel-Club.
- http://www.gerdragon.de

Nordic Folkboat Association
- Designed in 1942 by the Scandinavian Yacht Racing Union. Provides historical information about Nordic Folkboats, worldwide Folkboat associations, and links.
- http://www.folkboat.com/

Mumm 30 Class Association
- Contains class rules, regatta schedules and results, news, photos, owner list, forum and contact information.
- http://www.mumm30.org

Flying Fifteen International Association
- Includes list of officers and council members, national contacts, class rules and measurement form, race results, and national registry.
- http://www.flying15.org/

Cal 25 Association
- Contains an overview of the C25, fleet information, photo gallery, technical information, articles, open forum, and email list.
- http://www.cal25.addr.com/

Ultimate 20 Class Association
- Learn all about the organization, what's new, U20 people, photo gallery, racing/cruising scenes, and newsletter.
- http://www.u20class.org/

Hobie 33 North American Class Association
- Includes calendar of events, message forum, sailing forecasts, member web sites and email directory.
- http://www.hobie33.com/

International Etchells Association
- History of Etchells, specifications, photos, videos, builders, race schedules and results, tuning advice, projects, and boats for sale.
- http://www.etchells.org/

International Dragon Association
- Read about the 70-year history of the Dragon, and view photo gallery. Includes rules, race results, future events, marketplace, and contact information.
- http://www.intdragon.org/

British Dragon Association
- Local fleets, race results, news, and general information for the Dragon Class in the United Kingdom and Ireland.
- http://www.britishdragons.org