Discover top attractions around magical lake garda on this 15 or 35 hour boat tour of garda island cruise onto lake garda as a guide points out top landmarks such as greek american soprano maria callas villa the rocca di manerba and the ancient roman grottoes of catullus cruise the gentle waters off san biagio island and garda island and admire fine views over the immaculate palace and lawns during this tour gain insight into the regions history and upgrade to enjoy an aperitif on pre