Other Insight Meditation Sitting Groups Other Insight Meditation Sitting Groups These are independent sitting groups started by people who have practiced at IMC Coastside Vipassana in Montara (7 miles north of Half Moon Bay). Insight Meditation Central Valley in Modesto San Jose Sangha in San Jose Oakland Drop-in Meditation Group: Unitarian Church, 14th and Castro. Mondays: Instruction at 5:15 pm; Meditation/Discussion 5:30 to 6:30 pm. Contact Rebecca Dixon (510) 482-2032