McKeon Park, Hyannis, MA 02601
The Hyannis Athletic Association is a volunteer organization made up of individuals and families from all over the Town of Barnstable whose job is to support and operate the Hyannis Mets baseball club. The H.A.A. raises funds, prepares the field for play, houses players, finds them jobs and recruits coaches. The Association is a member of the Hyannis Main Street Waterfront Association and the Hyannis Area Chamber of Commerce.