Sydonie Mansion - 5538 Sydonie Drive, Mount Dora, FL, 32757 is one of the oldest Historic Mansions in Florida and is listed on the National Historic Registry. It was Designed by Grosvenor Atterbury and patterned after Alhambra Castle in Spain, open for weddings and corporate events. Special group tours by appointment only. Please check date availability for wedding bookings. You will be sent an invoice in order to make your down payment. No appointments are final until a deposit and a signed contract have been received