101 surf sports: 115 Third St., San Rafael; 415-524-8492; 101surfsports.com. In progress: Lessons and equipment for stand-up paddle, surfing, windsurfing and kitesurfing weekends. The prices vary. Bay Area Discovery Museum: 557 McReynolds Road, Fort Baker, Sausalito; 415-339-3968; baykidsmuseum.org. In progress: Kids’ Nature Lab and hikes. The prices vary. Summer camps:Read More →