MarinArts.org is a501 (c) 3 nonprofit organization dedicated to advocating for all the arts in Marin County . Our Mission since 2016 has been to launch an online arts portal and calendar (www.marinarts.org), offer free event listings, a powerful network of directories, and advertising and sponsorship opportunities for artists, arts organizations, and businesses. We are excited about the future and plan to expand our efforts for advocacy and outreach as funding and partnerships increase. far-reaching advertising opportunities; and more.