British Boomerang Society - Event listing with results, rules and the basics of constructing a boomerang from this club in England. - http://boomerangs.org.uk/
Washington Boomerang Club - Seattle based. Includes throw schedule and contact information. Hosting the 2008 World Boomerang Cup and provides schedule, photos, and local lodging, transportation, and tourist information. - http://www.waboomclub.org/
BTA NSW - Official site of the Boomerang Throwing Association of New South Wales. Includes contact information, photos, competitions, and grounds locations. - http://btansw.boomerang.org.au
Danish Boomerang Club - Member listings, event listing, and national championship results; in Danish and English. - http://www.boomerangklub.dk/
Boomerang Association of Australia (BAA) - The club publishes magazines, runs tournaments, and in general promotes the sport and history of boomerangs. - http://www.boomerang.org.au/
Belgian Boomerang Association - Sport history and introduction, local tournaments listing, and a photo gallery. - http://www.lexasoft.com/bba/
United States Boomerang Association - Features FAQ, events calendar, regional contacts, vendor database, and crafting and history resources from this official administrative organization. - http://www.usba.org/