The Cryptoporticoes of Formia: The Roman Labyrinth Beneath the Public Park
Beneath the gardens of Formia’s main public park, a short distance from the seafront, lies one of the most extensive archaeological complexes in the Gulf of Gaeta: the cryptoporticoes of a seaside villa dating to the 1st century BC. Fifteen large rooms are arranged on multiple levels, possibly three, each covering around 1,500 square metres. The structure served as the base for the residence above: storerooms, and quarters for slaves and household staff. There was also a fish pond 1,800 square metres in size for breeding fish. At low tide, its outline can still be made out today.
The Poet Martial and the Consul Apollinaris
The villa belonged to Gnaeus Domitius Apollinaris, suffect consul in 98 AD. The poet Marcus Valerius Martialis was his guest here, and was so struck by the place that he made it the subject of Epigram X, 30: "O temperatae dulce Formiae litus…" — a hymn to the mild climate of the gulf. Martial was a frequent visitor to these shores, and was also acquainted with Silius Italicus, who owned the nearby villa of Cicero.
A Layered Building Technique
The masonry reveals at least two building phases: one in opus incertum, using irregular stones bound with mortar, the later period in opus reticulatum, small blocks set diagonally to form a diamond-pattern grid. Long corridors connect the rooms, lit by splayed windows known as "bocca di lupo" — wolf's mouth openings.