Ischia is not a volcanic island in the past tense. Monte Epomeo, the 789-metre massif at its centre, is a horst — a block of seafloor thrust upward by magma beneath it, still rising, still venting steam through the fumaroles of Sant'Angelo. The Greeks arrived first. Around 750 BCE, colonists from Euboea founded Pithekoussai on the island's northern shore, the earliest Greek settlement in the western Mediterranean, predating Cumae and Naples itself. A clay drinking cup excavated there in 1954 — Nestor's Cup — carries three lines of scratched hexameter, among the oldest surviving Greek writing anywhere. An ischia boat tour from naples traces a route older than either city. Boats leave Molo Beverello and cross roughly 33 kilometres of the Bay of Naples, passing Procida's pastel harbour at Corricella before the green bulk of Ischia resolves out of the haze. The crossing follows the same water that carried tufa, wine and obsidian for twenty-seven centuries. The island's architecture is layered accordingly. The Castello Aragonese sits on a trachyte islet linked to Ischia Ponte by a 220-metre stone causeway built in 1441 by Alfonso V of Aragon. Beneath its ramparts lie a convent, a crypt of Angevin frescoes, and the cemetery of the Poor Clares. Michelangelo visited it to see Vittoria Colonna, who held court there in the 1530s. Elsewhere the volcanic geology surfaces as commerce: the thermal parks at Poseidon and Negombo channel mineral springs that Roman writers already knew, and Sorgeto bay boils where hot groundwater meets the sea. What draws boats today is the coastline itself. The southern flank breaks into sea stacks and caves — the Grotta del Mago, the Scoglio della Nave, the sheer wall below Punta Imperatore lighthouse. Sailings on the Naples–Ischia route are seasonal by nature, and the Bay of Naples landmarks visible from the water — Vesuvius astern, Capri to the south, the Phlegraean Fields to starboard — make the crossing part of the attraction rather than a transfer to endure. Modern ischia boat tour from naples tours generally pair the island with Procida, Italy's smallest inhabited island, where the Terra Murata fortress crowns a cliff above the fishing quarter. Coastal boat excursions from Naples to Ischia and Procida have grown steadily since Procida's turn as Italian Capital of Culture in 2022. The islands remain, as they were for Pithekoussai's founders, easier to reach by sea than to describe from land.