0 events found. There were no results found. There were no results found. Ostin Room, Holiday Inn, St. Catharines Events Venues Ostin Room, Holiday Inn, St. Catharines 327 Ontario Street St. Catharines, Ontario L2R 5L3 Canada Get Directions Events at this venue Today Upcoming Upcoming Select date. Previous Events Today Next Events Subscribe to calendar Google Calendar iCalendar Outlook 365 Outlook Live Export .ics file Export Outlook .ics file