Take a 90-minute boat ride around Ortigia, the historic center of Syracuse.
See Maniace Castle and the Aretusa Spring as you follow the honey-colored walls.
Head into limestone sea caves shaped by the waves. In a calm bay, swim with provided snorkeling gear or relax on the sunbathing cushions.
Boats are equipped with safety gear and allow small groups to get close to the cliffs and caves.