Quick answer: Positano has no train station. From Rome, take a Frecciarossa/Italo train to Salerno (1h26–1h40, advance €12–19) then a Travelmar ferry to Positano (€17, 70 min) — about 4 hours, April–October. From Naples, the direct Beverello ferry (€27.50–31, ~1h10) runs 1 April–3 November 2026, or the year-round Circumvesuviana + SITA bus (~€7).
Usually not for a Positano-only trip. There is no hotel-door access (ZTL cameras + one-way cliff lanes), private garages cost €30–50/24h, and the SS163 is closed to non-resident odd/even plates 10:00–18:00 on peak 2026 dates (Easter week, late-Apr/early-May holidays, Jun–Jul weekends, daily in Aug–Sep). Rent a car only when Positano is one stop on a wider Campania road trip (Ravello, Paestum, Cilento). All ferries to Positano stop for winter (~Nov–Mar).
2026 fares from operator sources: travelmar.it, nlg.it, eavsrl.it, Trenitalia/Italo, SITA Sud / Unico Campania.
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