Aci Castello (Il Castello)

Aci Castello is a seaside town about 9 km (6 miles) north of Catania, on the Ionian coast of Sicily, Italy, and its beach is the rocky lava shoreline around the Norman castle on Via Castello. The castle stands on a black basalt rock rising straight from the sea, and bathers swim from flat rock platforms and small lidos at its foot rather than from a sandy strand. The water is deep and notably clear, and the shoreline lies within the Isole Ciclopi marine protected area, which makes it popular for snorkelling among rocks, small fish and sea urchins. Water shoes are advisable because the lava is sharp and sea urchins are common. The coast is open to the sea but the rock platforms and harbour edges give some shelter, and swimming conditions change quickly with wind and swell. The atmosphere is relaxed and scenic: locals and visitors sunbathe on the rocks, with the castle as backdrop, and the setting suits couples, snorkellers and photographers more than families seeking a wide sandy beach. Paid lidos operate in season, and one reported 2025 price list gave entry with a sunbed at EUR 10 (~$11.50) and with an umbrella at EUR 15 (~$17.25) at Mama Sea, though these prices were not verified for 2026. Free rock access also exists. The castle museum, restaurants and the harbour are a short walk away, so food and toilets are easy to find. Lifeguard hours were not confirmed and depend on the lido. Access from Catania is by AMTS bus line 534, which runs year-round from about 06:00 to 22:40 and takes about 30 minutes, or by the summer line 935 from Piazza della Repubblica. Fares should be confirmed at amts.ct.it. Parking in the town centre is limited in summer. The bathing season runs from about June to September, and a visit combines naturally with Aci Trezza and its Cyclops sea stacks a few kilometres further north.