Guglielmi Castle is a spectacular property on the olive tree covered island of Isola Maggiore on Lake Trasimeno in Umbria, Central Italy. The Castle walls encompass 96,900 sq. ft. with over 48,000 sq. ft. of view suites and guest rooms. The other 48,000 sq. ft. is covered by beautifully situated cloisters, terraces and shaded spaces [...]