The Ibiza Behind the Brochure

Ibiza has been continuously inhabited for about 2,700 years and internationally famous for about sixty. That ratio explains most of what is confusing about the place. Underneath the season is a small Catalan-speaking Mediterranean island with a salt industry, a fortified capital, a village fiesta calendar and a rural architecture of thick whitewashed walls that Le Corbusier admired long before anyone opened a club here.

Twenty-seven centuries, briefly

The Phoenicians founded a settlement at Sa Caleta in 654 BC and moved to the natural harbour of what is now Ibiza Town shortly after. Under Carthage the island grew rich on salt, lead and a dye industry, and buried its dead in the hillside necropolis at Puig des Molins — over 3,000 tombs, the largest Punic burial ground in the western Mediterranean.

Rome took it in 123 BC. The Vandals, Byzantines and then the Moors followed; the Islamic period, from 902 to 1235, left the island's irrigation systems, the terracing you can still see in the interior, and a good deal of the vocabulary. The Catalan conquest in 1235 brought the island into the Crown of Aragon and set its language.

The Renaissance walls went up between 1554 and 1585, when Ottoman and Barbary raiding made the old medieval defences useless. They are the reason there is a UNESCO site here. For the next three centuries Ibiza was poor, remote and largely ignored — an island of salt workers, fishermen and almond farmers, whose young men emigrated.

Then, from the mid-1960s, the hippies. Then, from the late 1980s, the clubs. The airport handled about 8.2 million passengers in 2024. Both things happened inside one lifetime, which is why you can still meet people who remember the island before either.

What UNESCO actually listed

The 1999 inscription is a mixed cultural and natural listing — rare, and worth understanding because it explains what is protected and what is not. Four components:

• The Posidonia meadows in the channel between Ibiza and Formentera — a seagrass ecosystem including some of the oldest living organisms on earth, and the direct reason the water is that colour.
• Sa Caleta, the original 654 BC Phoenician settlement on the south coast.
• Puig des Molins, the Punic and Roman necropolis in Ibiza Town.
• Dalt Vila, the upper town and its complete 16th-century bastioned walls.

That turquoise is not a filter and not the sand. It is 100,000-year-old seagrass filtering the channel between here and Formentera — and it is the part of the island most easily destroyed by anchors.

Language and identity

Both Catalan and Spanish are official. The island's Catalan, Eivissenc, is the language of the villages, the road signs and the schools; Spanish is the language of the tourist economy and of most of the mainland-born population. Learning six words of Catalan — bon dia, gràcies, si us plau, adéu — lands very differently from the Spanish equivalents in a village bar, and costs you nothing.

The hippy legacy

The counter-culture arrived because Ibiza in 1965 was cheap, warm, hard to reach and politically overlooked. What it left behind is more than a market stall aesthetic: the two hippy markets, the Sunday drumming at Benirràs, a genuinely tolerant social register, the island's unusually strong vegetarian cooking, and a wellness economy that predates the word wellness by four decades. It also left an aesthetic that the luxury market has spent twenty years monetising, which is its own kind of joke.

The island under pressure

Roughly 3.4 million visitors a year arrive on an island of 160,000 residents, and the strains are specific rather than vague. Water is the sharpest: Ibiza's aquifers are over-extracted and saline intrusion is measurable, so the island now depends heavily on desalination. Housing is the most socially damaging — long-term rentals have largely been converted to summer lets, and seasonal workers sleep in vans and shared rooms. The seagrass is damaged by anchoring. And the road network, built for a fraction of the traffic, simply stops working in August.

How to be a good visitor

None of this requires martyrdom. Come in June or late September rather than August if you can. Use the buses between the towns — they work. Take shorter showers than you would at home, because the water genuinely is scarce. Eat in the villages, where the money stays on the island. If you charter a boat, insist on a buoy or a sand patch rather than dropping anchor on seagrass. Learn the four Catalan words. And keep the volume down after eleven in residential areas, which is both a law and a courtesy.