car:

Vienna - A4 motorway, exit Gold/Weiden - Podersdorf - Illmitz

Graz - A2 motorway direction Vienna - Eisenstadt - Neusiedl - Podersdorf - Illmitz

train:

Train: From Vienna to Neusiedl am See, by local service to Illmitz.
Bus: From Vienna or Eisenstadt to Illmitz by bus.

For detailed train connections call the Austrian Federal Railways under their 24-hour-service-hotline: ++43 1 1700.

airplane:

Vienna International Airport.