Back in September 2016 I visited the Isle of Capri, near the Amalfi Coast in Italy. We visited the Blue Grotto (Grotta Azzurra) on our journey around the island. It was still very much the early shoulder season, and the weather was perfect, so the flocks were out to see this natural wonder. I thought it maybe a tourist con, but it was very impressive. The blue shine in the grotto is due the red light from the sun being filtered out by the water in the narrow entrance. If you choose to visit, do not be bullied into paying a tip to the boatmen. Ours suggested that is was mandatory to pay him, sang for only half of the time others were singing, and threatened me (jokingly) for not giving him a tip. Others may not get the joke.The Isle of Capri can be an exxy place to visit. Plan well and you can do it relatively cheaply. Did I plan well? No. But I did enjoy the day. Either catch the Circumvesuviana from Naples to Sorrento and travel by boat from there or go direct from Naples. By all means, do stay in Naples, as it is a wonderful city. We came over from Amalfi. If I was to return, I would consider staying in a B&B and having a good look at the island.