Usa-Places.com listou aprox 11 parques dentro Hyannis. Alguns dos mais bem avaliados parques dentro Hyannis estão- Veterans Park Beach, Ridgewood Park, Barnstable Town Recreation, Barnstable Town Recreation, Hyannis Harbor Park, Hyannisport Wharf, Stone Memorial Park, Barnstable Open Space, Barnstable Open Space & Pleasant Street Park.