Stern Grove Festival’s 89th season opens Sunday June 14, 2026, at 2 PM with Peter Cat Recording Co. and Marinero. Free concerts run every Sunday from June 14 through August 16. June 14: Peter Cat Recording Co. + Marinero June 21: Bomba Estéreo + La Misa Negra June 28: Japanese Breakfast Where: Sigmund Stern Recreation Grove, 19th Avenue at Sloat Boulevard, Sunset District. Cost: Free; capacity capped at 10,000 with required reservations distributed via lottery on sterngrove.org. Source: sterngrove.org 2026 lineup; SF Travel.