Tabarca in terms of marine ecology. Therefore, waters around Tabarca were declared a Marine reserve in 1986, the first of its kind in Spain. This status was mainly granted due to its submarine posidonia prairie, which is the largest in the Spanish Mediterranean and has an extraordinary ecological value in terms of marine fauna and flora. In order to both enhance the marine biodiversity and protect it from fishing, an artificial reef was laid near the island by the Marine Reserve authorities. Tabarca Tabarca (, ) also known in Valencian as "Nova Tabarca" and "Illa Plana", and in Spanish as "Nueva
Tabarca were built. From 1770, the island was known as Nueva Tabarca ('New Tabarca'). Although the Genoese assimilated, abandoning their language in favour first of Valencian and, later on, of Spanish (both languages are currently spoken on the islet), the Genoese descent of the settlers can still be noticed today in the surnames of Italian origin common on the islet. The island is twinned with Carloforte, in the Sardinian San Pietro Island, which was also populated with Genoese from Tunisian Tabarka. The gateways are still visible and so are the Governor's House (currently a hotel) and the church of St Peter