The Gaiola’s submerged park in Posillipo
The marine protected area of Posillipo that goes from Marechiaro to the Baia di Trentaremi (Trentaremi bay)

The Gaiola’s submerged park is a marine protected area that covers 42 hectares of sea right in front of the Posillipo coast.

The sea bottom is rich in marine species swimming among the ruins of ancient harbours, nymphaeums and fish farms.

To reach the Gaiola’s submerged park you can take the 140 or C21 bus leaving from Mergellina, or the C31 bus leaving from Vomero and get off at Discesa Coroglio-Marechiaro. Then walk along via Lucrezio Caro and proceed along Discesa Gaiola.

You can also take the L2 underground train and get off at Campi Flegrei; here take the C1 bus that stops at Capo Posillipo, then proceed along Discesa Gaiola.

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The protected area of Gaiola’s submerged park begins in Marechiaro and ends at Baia di Trentaremi; it includes the Gaiola small island with its beautiful villa, the Gaiola’s beach and San Basilio’s bay where you can take a swim, and the underwater archaeological park with its ruins of harbours, fish farms and ancient villas where the rich and multi-coloured fish fauna swims.

Whereas on the land there are the tempio della Gaiola (Gaiola’s Temple) dating back to the Roman era, the teatro greco (Greek theatre), the Roman era palazzo degli spiriti di Marechiaro (Marechiaro’s Ghosts Palace), that according to legend is haunted by as old as the hills ghosts, wandering along the coast at night, spotted by sailors and fishermen passing by.

You can choose among several tours of the submerged park: the see-through bottom boat itinerary, the snorkeling itinerary, the scuba diving itinerary, the land itinerary (that includes a visit to the Pausilypon archaeological park and to the Seiano grotto) and the integrated itinerary.