Take a boat trip to the Grotta di Nettuno (Neptune's Grotto), located on the Capo Caccia peninsula near Alghero. This stunning sea cave is famous for its impressive stalactite and stalagmite formations. Explore the cave's chambers and admire the breathtaking natural beauty. You can also reach the grotto by climbing down the Escala del Cabirol, a staircase with 656 steps offering panoramic views of the coastline.
