Seminole County, FL Events Event Categories Carnivals Christmas Garden Shows Halloween Rallies Seminole County Event OutlookOctober 20, 2024 Seminole Cyclefest - SanfordOctober 27, 2024 Halloween at Cranes Roost - Altamonte SpringsNovember 30, 2024 Light Up the Holidays - Altamonte Springs View our full calendar of events