Try checking the best hotel in http://crispy-hotels.com/ ...this is a very good site where you can easily search the best local hotel deal for you.. you can filter by price or recommendation... I tried this and very useful...
Check this list.... Some of the Most Romantic Hotels in Italy (Amalfi Coast area) for honeymoons, anniversaries, engagements....
Hotel Santa Caterina
Parco dei Principi
Hotel Caesar Augustusa