Since August 31, 2026, archaeologists from Inrap, a French public institution responsible for archaeological research and heritage protection, have been conducting preventive excavations in the village of Taden in the Côtes-d'Armor region. These excavations are part of a broader project to create a sediment transfer site, a facility used for managing and relocating earth and other materials. Preventive archaeology is a common practice in such projects, aimed at uncovering and preserving historical remains before they are disturbed by construction or land use changes. The research in Taden has led to the discovery of the remains of an ancient port, providing valuable insights into the region's maritime history. Such findings are rare and offer a glimpse into how ancient communities interacted with their environment and engaged in trade and transportation. The port, which dates back to antiquity, likely played a significant role in the local economy and may have been a hub for commercial activity during the Roman period or earlier. The excavation site has yielded a range of artifacts, including fragments of pottery, tools, and structural remnants, which are being carefully documented and analyzed. These items can provide clues about the daily lives of people who lived in the area thousands of years ago, as well as the technological and cultural developments of the time. The findings are expected to contribute to the broader understanding of ancient coastal settlements in northwestern France. This discovery highlights the importance of archaeological work in regions where modern development and infrastructure projects intersect with historical sites. By conducting these excavations, archaeologists not only preserve cultural heritage but also enrich the historical record, offering new perspectives on the past. The results of the Taden excavations will be shared with the public and academic community through reports and exhibitions, ensuring that the findings are accessible to a wider audience.