Next to Portoferraio city center, yet rather calm and very clean beach. It's ideal for scuba-diving due to the abundant fauna and flora.
Info Elba http://www.infoelba.com/island-of-elba/beaches/le-ghiaie-beach/
Address (Unnamed Road), Portoferraio 57037, Italy
Coordinates 42°49'3.126" N 10°19'28.531" E