Practical information for visiting Ponza

Ponza's connections are maritime, and they fan out across two regions.

San Felice Circeo is 21 nautical miles to the north — 33 kilometres from Cape Circeo — and is both a ferry port and the other half of the island's Circe legend.

Anzio is the northernmost of the mainland ports serving the island.

Terracina and Formia are the nearer Lazio crossings, with Formia the town where the Cistercians expelled in 1454 took refuge.

Naples is the Campanian connection, and a reminder that Ponza was once administered from the province of Naples.

Ventotene is the only other permanently inhabited Pontine island.

Gavi, Zannone and Palmarola complete the comune — Gavi 120 metres off the island's north-east end, Zannone uninhabited, Palmarola occupied only in summer.

Ischia is the historical connection that matters most: the island's present population descends from Ischian families settled here under the Bourbons.

Ponza is a safe Italian island comune, and its hazards are coastal and geological.

The coast is the first of them: 25 kilometres of jagged, mostly rocky shoreline of kaolin and tuff, much of it cliff. Chiaia di Luna sits beneath a wide cliff sheer above the sea, and cliff faces of this material are not stable by nature.

Every beach is gravel and stone, which makes entry and exit from the water harder than visitors expect, especially with swell.

Diving is the island's signature activity and the sea here is varied and cave-ridden — go with a proper operator, not alone.

Getting off the island depends on the weather. Hydrofoils and ferries are the only links to Anzio, San Felice Circeo, Formia, Terracina and Naples, and an exposed Tyrrhenian crossing can be cancelled.

The disused mines at Le Forna, Frontone and Capobianco are industrial sites, not sights.

No unusual health risks apply on Ponza, but it is an island, and that changes the calculus.

Medical facilities are those of a comune of 3,107 people reachable only by hydrofoil and ferry. Anything serious means a transfer to the mainland, and the crossing depends on the weather. Anyone with a condition that may need prompt specialist care should factor that in before coming.

The terrain is hilly rather than mountainous — 280 metres at Monte Guardia — but the port town is built on two street levels and the coast is cliff, so there are steps and gradients almost everywhere.

Gravel and stone beaches make water entry awkward; footwear helps more than it does elsewhere.

The climate is subtropical Mediterranean with a moderate range, so heat is manageable, but sun exposure on open water and bare volcanic ground is real.

EU visitors should carry an EHIC or its replacement; others should have travel insurance that covers evacuation from an island.

The single emergency number across Italy is 112, reaching police, ambulance and fire.

Say that you are on the island of Ponza, and name the locality: the town of Ponza, Santa Maria, Giancos, Sant'Antonio, I Conti, Guarini, Campo Inglese or Le Forna.

At sea or on the cliffs, the coastguard is reached through 112. Give the nearest named point — Punta della Guardia, Punta dell'Incenso, Capo Bianco, Chiaia di Luna, the Faraglioni di Lucia Rosa.

Serious cases are transferred to the mainland, with Formia, Terracina, San Felice Circeo, Anzio and Naples the ports the island connects to. That transfer is weather-dependent.

Do not count on reaching an uninhabited neighbour for help: Zannone has no residents, Palmarola only summer ones, and Gavi a handful.