A marine archaeology team has identified a series of marble-cased libation altars submerged off the coast of the Greek island of Chios. These structures are linked to the Rural Dionysia, a localized wine festival celebrated in the 4th century BC. The altars are surrounded by thousands of broken drinking vessels, suggesting a tradition of 'sacred smashing' at the conclusion of maritime processions dedicated to the god of the grape harvest.
Researchers believe the site served as a coastal staging ground where sailors and local farmers would offer the first pressings of the season to ensure safe passage and future fertility. The presence of high-quality Parian marble indicates that these regional festivals received significant funding from wealthy merchant guilds, highlighting the economic importance of ritual wine culture in the Aegean.