I think the Blue Grotto could be skipped, but the four hour boat ride around the island should not be missed. Getting a ferry during peak times can be tricky, but we got off the boat quickly and got on a ferry without too much difficulty. Getting back seemed even crazier... Took Capri Relax Boats with Marcello and he was wonderful. It was the highlight of our trip.
Read neoncandle's full Celebrity Equinox cruise review