Chartered: 2-18-1956
Sponsor: Antioch
Meetings: Weekly, Thursdays, 12:00 pm (Sept. – May)
Location: The Point Restaurant, 120 Marina Drive, Rio Vista
Mailing: P.O. Box 152, Rio Vista, CA 94571
Email: siriovista@soroptimist.net
Website:  siriovista.org 
Facebook: Soroptimist International of Rio Vista