EventsEvents « All Events This event has passed. Lake Mahopac to Petra Island May 4 @ 9:02 pm Lyndhurst Mansion – Spirited Mansion Weekend » Add to calendar Google Calendar iCalendar Outlook 365 Outlook Live Details Date: May 4, 2024 Time: 9:02 pm Venue Lake Mahopac to Petra Island Mahopac, NY 10541 + Google Map View Venue Website