Ancient CivilizationsArchaeologists discover incredible 7,000-year-old road below Mediterranean Sea Posted on April 24, 2025 by Administrator At the bottom of the Mediterranean Sea lies an incredible 7,000-year-old road, which once connected an ancient settlement to Korcula Island, in Croatia. The major discovery was made just off the island’s western coast by archaelogists from the University of Zadar. The now-sumberged Neolithic site of Soline, which sits in the Meditterranean Sea’s northernmost arm – the Adriatic, dates back to around 4,900 BC.