Just past Marina Piccola but before you reach the lighthouse, there is a tiny cove with the remains of an ancient Roman port where there is a tiny beach. This delightful corner is perfect for a swim, but don't sunbathe on the beach as falling rocks pose a hazard. Further along the coast, the Green Grotto offers emerald-hued water for a dip s and you can swim the length of the cave and come out the opposite side. Right after the Punta Carena lighthouse, Limmo Bay is another ideal swimming spot.