Travel aboard a comfortable 13-meter boat to discover nearly 20 kilometers of volcanic coastline between the La Timpa Nature Reserve and the Marine Protected Area of the Isola dei Ciclopi on this tour from Aci Castello. Sip drinks and light snacks along the way. Board the motorboat in Aci Castello and ply the water with ease in the company of a marine biologist and underwater environmental guide. Glide on the splendid lava seabed of the Isola dei Ciclopi (Aci Castello), a protected marine area. Discover underwater basalt pillars, lava ropes, pillows of lava and life, and colorful marine plants that will provide the backdrop for an unforgettable snorkeling excursion. Explore ancient lava flows, stretches of white sand, underwater canyons and volcanic faults. Have a good chance of encountering groupers, breams, octopuses and sea sponges. Return to the starting point at the end of the tour.