Some of the main features of the island include the following : the Marina Piccola ( the little harbor ) , the Belvedere of Tragara ( a high panoramic promenade lined with villas ) , the limestone crags called sea stacks that project above the sea ( the Faraglioni ) , the town of Anacapri , the Blue Grotto ( Grotta Azzurra ) , and the ruins of the Imperial Roman villas .
Features of the island are the Belvedere of Tragara ( a high panoramic promenade lined with villas ) , the limestone crags called sea stacks that project above the sea ( the Faraglioni ) , the town of Anacapri , the Blue Grotto ( Grotta Azzurra ) , and the ruins of the Imperial Roman villas .