Society of Young Jewish Professionals hosts the 20th annual Matzo Ball. 8 p.m. at Opium Garden, 136 Collins Ave., Miami. $25. Details: (888) 633- 5326 or www.matzoball.org.
The Urban Environment League of Greater Miami hosts the Miami-Dade County Strong Mayor Debate. 6-8 p.m. at American Legion Hall, 6445 NE Seventh Ave., Miami. Details: (305) 532-7227.