Open day 2026 – Saturday 22nd of August

Underwater snorkeling guided tours of the submerged and coastal archaeological remains of the Kolona Bay at Aigina.

The Aigina Harbor city Project team and the Municipality of Aegina invite you to a presentation and underwater guided tour of the archaeological site of the ancient, submerged harbour infrastructure and coastal settlement remains of Aigina. The international project of maritime archaeological research is carried out under the auspices of the UNESCO Chair of Maritime and Coastal Archeology and the UNESCO Unitwin network, under the direction of the Ephorate of Underwater Antiquities, the French School at Athens (École française d’Athènes) and the University of Aix-Marseille in collaboration with five European institutions.

This year the event is organised in the framework of the 1^st UNESCO International Day for Underwater Cultural Heritage.

Program – Invitation

From 9.30 am – Morning snorkeling guided tour – Free entry (reservation required)
“The Ancient Submerged and coastal remains of the Kolona Bay of Aigina”

Brief presentation of the remains of the ancient harbour infrastructure and coastal settlement of Aigina by the international research team.

Three guided tours with masks and fins at the Kolona Bay.

Meeting point at Kolona Bay, going down the stairs at the middle of the bay.

To participate at the snorkeling tours, the following are necessary: 1. mask, 2. snorkel, 3. Fins 4. Sunscreen 5. Water 6. Hat

Guided tours program:

• 9.30 am (in Greek)
• 10.30 am (in Greek and English)
• 11.30 am (in English and French)