High Quality Content by WIKIPEDIA articles! Ventotene, in Roman times known as Pandataria or Pandateria from the Greek Pandoteira, is one of the Pontine Islands in the Tyrrhenian Sea, 25 nautical miles (46 km) off the coast of Gaeta right at the border between Lazio and Campania, Italy. The municipality of Ventotene, of the province of Latina (Lazio) has 708 permanent residents as of 2008.