Amateur
- 41
- Vintage Base Ball Federation
- Organization of federated clubs, with news, member forum and information on the World Series of vintage base ball.
- 43
- Westfield Wheelmen Vintage Base Ball Club
- Club out of Westfield, Massachusetts provides its season schedule, game photos, team roster, club history, sponsors and related information.
- 48
- Stevens Point Wiffle League
- Located in central Wisconsin. Includes player profiles and league leaders.
- 50
- South Hill Clapping Chimps
- Washington State site with Puyallup area tournament information, roster and contacts.
- 52
- LondonWiffleball
- Annual tournament held in London, Ohio. Includes photos, history, field directions, rules, prior year results, and related links.
- 53
- NABA SoCal
- Competitive and recreational baseball for men and women, includes news, schedules, policies, and league information.
- 54
- North County San Diego MSBL
- Adult amateur baseball league playing in Northern San Diego County. Broken down into four age divisions.
- 56
- San Francisco Bay Area MSBL
- Senior men's baseball league. Includes standings, schedule, statistics, and news.
- 58
- Boston Park League Baseball
- Amateur league, team information including schedules, statistics, rosters, highlights and standings.