Just a short distance from the historic centre of Ibiza Town lies a place that can be easy to overlook.

It is a hillside covered partly by trees and modern streets, but beneath the ground is one of the most important archaeological sites in Ibiza: the ancient necropolis of Puig des Molins.

For more than a thousand years, people used this hill as a burial ground.

Today, it provides an extraordinary insight into the people who lived in ancient Ibiza and the ways they understood death, family and the afterlife.

What does Puig des Molins mean?

The name Puig des Molins comes from the Catalan language and means roughly "Hill of the Mills".

The name refers to the windmills that once stood on the hill.

But the history of the site is much older than the mills.

Long before the hill acquired its modern name, it was being used as a cemetery connected with the ancient city of Ibiza.

An ancient cemetery beside the city

Puig des Molins developed alongside the ancient settlement of Ibiza.

Its location was not random. Ancient Mediterranean cities commonly placed their cemeteries outside the main residential areas, and Puig des Molins became the principal burial area associated with ancient Ebusus.

The earliest burials are connected with the Phoenician period.

The necropolis continued to be used and expanded under the Punic, Roman and later periods, making it a remarkably long-lived archaeological site. Spain's Ministry of Culture describes the museum's permanent exhibition as covering funerary practices in Ibiza from the Phoenician period through to Byzantine domination, a span of approximately fourteen centuries.

That long period of use is one of the things that makes Puig des Molins so valuable.

It is not simply a snapshot of one civilisation.

It is a record of changing societies and changing attitudes towards death.

What is inside the hill?

The most distinctive features of Puig des Molins are its underground tombs.

Many of the Punic burials were made in rock-cut chambers known as hypogea.

A hypogeum is essentially an underground burial chamber excavated into the rock.

At Puig des Molins, these chambers could contain one or more burials and were associated with funerary objects placed with the deceased.

Some of the tombs are accessible today, allowing visitors to see the spaces carved directly into the hillside.

The archaeological site is much larger than the small section that can be explored during a visit.

The Ministry of Culture explains that only around 350 to 400 hypogea are visibly identifiable on the surface because much of the site is covered by soil and vegetation, while archaeological sampling has led researchers to estimate that the actual number of hypogea is around 3,000, not including other types of graves.

That gives a sense of just how extensive the ancient cemetery was.

What did people put in the tombs?

The objects found at Puig des Molins are one of the site's greatest treasures.

Archaeologists have discovered pottery, jewellery, amulets, figurines, weapons and other objects associated with burials.

These objects were not simply decoration.

They can tell us about the beliefs, customs and daily lives of the people who used the cemetery.

The museum's collections are considered particularly important for understanding Phoenician-Punic culture in the western Mediterranean. The Ministry of Culture describes the collections as among the most significant and distinctive bodies of Phoenician-Punic material in the western Mediterranean.

Some objects also reveal how connected ancient Ibiza was to the wider Mediterranean world.

The material discovered at Puig des Molins reflects cultural and commercial connections extending beyond the island.

Cremation and burial

The cemetery also shows that funerary customs changed over time.

Early Phoenician and Punic burials at Puig des Molins include cremation practices.

Later periods introduced different forms of burial, including inhumation, in which the body was buried rather than cremated.

The museum's permanent exhibition is organised around these changing funerary practices, from Phoenician cremation through Punic funerary traditions and later Roman and late-antique burials.

This makes the site particularly interesting because it tells us not only who lived in Ibiza, but how different communities treated their dead.

The site was used for centuries

One of the remarkable things about Puig des Molins is the length of time over which it remained connected with burial.

The necropolis was not created and abandoned after a single historical period.

Instead, it continued to be used and altered as Ibiza itself changed.

Phoenician traditions were followed by Punic practices. Roman influence then became increasingly important, and later still the cemetery contains evidence from late-antique and Byzantine periods.

Each period left another layer in the archaeological record.

In this sense, Puig des Molins is almost like a historical archive carved into the ground.

How was Puig des Molins discovered?

Modern archaeological investigation at the site began in the early twentieth century.

The Ministry of Culture records the first major excavations in 1903, carried out with funding from the Sociedad Arqueológica Ebusitana. From 1905, further excavations were undertaken under the direction of Arturo Pérez Cabrero and associated with Juan Román y Calbet.

The discoveries were so significant that they helped establish the foundations of what became the Archaeological Museum of Ibiza.

In 1907, material from the excavations was donated to the state, together with archaeological material from other sites in Ibiza and Formentera, contributing to the creation of the Archaeological Museum of Ibiza.

Puig des Molins and UNESCO

Puig des Molins is not simply an important local archaeological site.

It forms part of the UNESCO World Heritage designation covering the cultural and natural heritage of Ibiza.

The archaeological sites of Ibiza, together with Dalt Vila, the site of Sa Caleta and the marine ecosystem of the island and surrounding waters, were inscribed as World Heritage in 1999.

Puig des Molins was recognised for the exceptional archaeological evidence it provides for the development of Ibiza and its connections with the Mediterranean world.

There is a museum beside the necropolis

The archaeological site is accompanied by the Museo Monográfico y Necrópolis Púnica de Puig des Molins.

The museum's collections come directly from the history of archaeological research at the necropolis and provide context for what visitors see underground.

The permanent exhibition explains funerary rituals from the Phoenician period through the Byzantine period and displays archaeological objects discovered during excavations.

The museum therefore adds something important to the visit.

Instead of seeing the tombs simply as ancient stone chambers, visitors can discover what archaeologists have learned from the objects and burials found there.

Why is Puig des Molins important?

Puig des Molins matters because it gives us an unusually detailed look at ancient Ibiza.

A settlement can disappear or be rebuilt many times, but a cemetery can preserve evidence about generations of people.

At Puig des Molins, archaeologists can study how people were buried, what objects accompanied them, how burial customs changed and how Ibiza's communities were connected to wider Mediterranean cultures.

The site also demonstrates that Ibiza's importance long predates modern tourism.

The island was already connected to international networks of commerce and culture more than 2,000 years ago.

A different side of Ibiza

Today, Ibiza is often associated with beaches, countryside, architecture and modern tourism.

Puig des Molins offers something completely different.

It is a place where the island's ancient past is still physically present.

The hill may look quiet from the outside, but beneath it is a vast archaeological landscape containing centuries of human history.

And that is perhaps the most fascinating thing about Puig des Molins.

It is not simply an old cemetery.

It is one of the places where ancient Ibiza can still be seen, layer by layer, beneath the modern island.