In only a few minutes you can reach from the Hotel the historical center by boat . The Lido island is connected by the all kind of transportations and from the Lido boat stop you can take all main lines.
Please download the schedule and the map of the public boat transportation. 
(File 6 mb)
By car:
If you arrive from the highway, even if you are coming from the North or the South, please follow the direction to Venice until you reach the bridge called “Ponte della Libertà”, the only connection between the mainland and Venice . At the end of the bridge you need to turn left for 1 km following the indication “Tronchetto”. You will arrive at the ferry terminal for the Lido. The short “cruise”will last only 35 minutes and it twill gets you through an enchanting itinerary of a high impact along the Giudecca Canal and the S. Marco Basin . Once you get off the Ferry boat you turn to the right until you get to the main road and you will find the Grande Albergo AUSONIA & HUNGARIA Hotel after only 1 km on your right.The ferry boat transfer is operating every 50 minutes.
By train:
From the trainstation Venice S.Lucia please take the boat no 51 or 61 to the boat stop “Lido”
By plane:
From the Venice airport Marco Polo : please take the shuttle boat “Alilaguna” to the Lido You will find the ufficial schedule on page 47 The price per ticket/person is euro 12.From the Treviso airport: please take the shuttle service to Piazzale Roma and from there you can get the boat no 51 or 61 to the Lido.