At the Naples ferry terminal, a choice faces every traveller heading to the bay’s islands. Most pick the same boat — the one to Capri, the famous one, the one on every postcard. Fewer notice the ferry heading the other way, towards a volcanic island three times Capri’s size that most visitors have never heard of.
That island is Ischia.

The Island Capri Forgot to Tell You About
Ischia sits in the Bay of Naples, about an hour from the city by ferry. It is the largest of the three islands in the bay — larger than Capri, larger than Procida — yet it remains largely off the main tourist route.
What keeps the crowds away? Mostly habit. Capri has the film stars and the history of glamour. Ischia has something different: actual life.
Around 60,000 people live here year-round. Villages still wake up to fishing boats coming in. The narrow streets fill up for Sunday markets, not Instagram tours. You can eat dinner alongside Italian families rather than sitting between two other tour groups.
A Castle Built Into the Sea
The island’s most dramatic sight costs you nothing to see from the outside.
Castello Aragonese rises from a rocky islet just off the main harbour, connected to the island by a long stone causeway. The castle has origins going back over two thousand years, though the current structure dates largely from the 15th century, when Alfonso of Aragon fortified the site.
At its height, around 2,000 people lived inside the castle walls — a self-contained community above the sea. You can still walk the causeway and climb the castle today, and the views from the top across the bay towards Naples and Vesuvius stop you in your tracks.
Few sights in Italy feel quite this dramatic. And outside of peak summer, you may have the causeway almost to yourself.
Villages That Still Run on Their Own Time
On the southern tip of the island, Sant’Angelo operates by different rules. There are no cars. Luggage arrives on electric carts. A tiny fishing village, it wraps around a single harbour with cafes built right to the water’s edge.
The pace here is genuinely different. Lunch stretches to two hours. The evening passeggiata — that Italian habit of walking nowhere in particular, just to be outside — is not performed for tourists. It is simply what people do.
On the eastern coast, the village of Lacco Ameno contains some of the oldest Greek remains in the western Mediterranean. A rounded lava rock called Il Fungo (the mushroom) sits in the harbour, worn into its unusual shape over thousands of years of waves. It has become the island’s unofficial symbol.
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The Natural Spas That Have Healed for Centuries
Ischia’s most famous feature is also its most unusual. The island sits on volcanic rock, and thermal springs bubble up across it. For centuries, Italians have come here specifically to soak.
Today, several outdoor thermal parks have been built around the springs — Poseidon Gardens and Negombo among the most popular — where pools of different temperatures cascade down hillsides towards the sea. You can move from a hot volcanic pool to cool seawater in a single afternoon.
The Romans knew about these waters. Records from the first century show wealthy citizens travelling from Rome to the island for its therapeutic springs. As the tradition of Italian thermal bathing stretches back millennia, Ischia sits at the heart of it.
Italians have been doing this for over 2,000 years. You could argue they were on to something.
How to Get There and When to Go
Ferries depart from the Port of Naples several times a day. The fast hydrofoil takes around 40 minutes; the standard ferry takes about 90. There are also connections from Pozzuoli on the mainland.
Spring and early autumn are the best times to visit. June through August brings Italian holiday crowds — families from Naples and Rome who return every summer. September keeps the warmth but loses the pressure.
The island is large enough that you will need a scooter, hire car, or local bus to explore properly. Most visitors base themselves in Ischia Porto or Lacco Ameno and make day trips from there.
If you have time, stay at least two nights. One day is not enough to understand the place. And if you want to explore a second island nearby, the tiny island that inspired the film Il Postino is a short ferry ride away.
Frequently Asked Questions About Ischia
Is Ischia worth visiting instead of Capri?
Ischia offers thermal spa parks, a medieval clifftop castle, car-free fishing villages, and authentic Italian everyday life. If you prefer genuine local experience over famous tourist scenes, Ischia is the stronger choice. The two islands offer very different atmospheres.
When is the best time to visit Ischia, Italy?
Late April through June and September through October give you warm weather, open thermal parks, and far fewer crowds than July and August. Spring is particularly beautiful, with the island’s gardens and hillside terraces in full colour.
How do you get from Naples to Ischia?
Take a ferry or hydrofoil from the Port of Naples (Molo Beverello terminal). The fast hydrofoil takes around 40 minutes; the standard car ferry takes about 90 minutes. Multiple departures run daily throughout the year, including in winter.
What is Ischia known for in Italy?
Ischia is best known for its thermal spa gardens fed by volcanic hot springs, the spectacular Castello Aragonese fortress, and its authentic fishing villages. It is also popular with Italian holidaymakers for its long sandy beaches and local white wines.
There is a version of the Bay of Naples that most visitors never reach. It lives in a car-free fishing village, in a castle that has watched centuries of history from its rocky perch above the sea, in outdoor pools where volcanic water has been warming Italian bones since before Rome fell.
Capri will always have the fame. Ischia quietly keeps everything else.
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