Greater North Miami Beach Chamber of Commerce's annual golf tournament. 1 p.m. at Miami Shores Country Club, 10000 Biscayne Blvd., Miami Shores. Details: (305) 944-8500.
Old Crandon Park Zoo and Key Biscayne Eco-History Wading Tour with historian Frank Schena. 10 a.m.-12:30 p.m. Meet at Marjory Stoneman Douglas Biscayne Nature Center, 6767 Crandon Blvd., Key Biscayne. $17-$22. Details: (305) 375-1621.