The shortest sea route between Greece and Turkey measures just fourteen nautical miles, a fact that has turned Rhodes Town's twin harbours into the busiest international ferry corridor in the Dodecanese. Since 1988, when bilateral visa agreements first opened civilian crossings, high-speed catamarans and hydrofoils have connected Mandraki and Kolona ports with Marmaris, Fethiye, and Bodrum, carrying over two hundred thousand passengers each season. The crossing predates modern tourism by millennia: ancient triremes followed the same wind lanes, and Byzantine dromons patrolled the strait between the Fortress of St Nicholas and the Anatolian shore. Today's fleet consists primarily of Italian-built wave-piercers and Finnish-designed RoPax vessels, capable of eighteen to twenty-three knots in moderate seas. The fastest services reach Marmaris in forty-five minutes, though most operators schedule seventy-five to ninety minutes to allow for customs processing at both terminals. Turkish entry procedures require full passport control, biometric scanning, and stamped landing permits, adding fifteen to twenty minutes to disembarkation. Greek exit formalities mirror the protocol, meaning passengers spend as much time in queues as on open water. Marmaris itself sits at the confluence of the Aegean and Mediterranean climatic zones, a natural harbour ringed by pine-covered hills that rise to twelve hundred metres. The old quarter, Kaleiçi, preserves Ottoman-era caravanserais and stone-paved bazaar lanes, while the modern waterfront stretches four kilometres of promenade, marina berths, and café terraces. Day-trippers typically have five to six hours ashore, enough to navigate the Castle ramparts, haggle in the covered market, and sample meze at harbour-side lokantas. Return crossings depart late afternoon, timed to clear Turkish waters before sunset and re-enter Greek maritime jurisdiction by early evening. The route operates year-round, though winter schedules reduce frequency from daily to twice-weekly, contingent on weather windows and meltemi wind forecasts. Summer months see additional services to Fethiye and Kaş, both requiring three-hour passages and overnight stays. Rhodes remains the only Dodecanese island with scheduled international ferry links, a legacy of its deepwater harbours and proximity to the Turkish peninsula.