Compare eSIM plans for San Marino

San Marino is almost always visited from somewhere else. The classic version is a morning bus or a short drive up from Rimini and the Adriatic beaches, a few hours on the ridge, and back down by evening. That shape is what makes the connectivity question worth a minute of thought: the republic is landlocked inside Italy but it is not in the European Union, and it carries its own country code, so a trip that feels like one destination is two entries on any coverage list. Networks are excellent on both sides of the line, with 4G throughout and 5G on the main routes (sources: Internet Society Pulse, ITU DataHub).

• ●The climb is the point. The old city clings to the crest of Monte Titano under three towers, Guaita at the near end, Cesta on the summit, Montale standing alone and closed to visitors, with the Palazzo Pubblico on Piazza della Libertà and the Basilica del Santo below them. Signal is dense across all of it, and the cable car down to Borgo Maggiore keeps working the whole way.
• ●Below the walls there is a working country, not a film set. Serravalle is the republic's most populous town, and the castelli of Domagnano and Fiorentino are ordinary places to walk around. Coverage there is normal, and these are also the spots where an Italian cell is most likely to be the one serving you.
• ●Which brings up the practical check. Because the enclave is small and entirely ringed by Italy, a handset here attaches to an Italian mast about as readily as a Sammarinese one, and you have no say in which. If the plan lists Italy but not San Marino, usage may fall outside it without anything visible changing on screen.

Sources: Internet Society Pulse: San Marino, ITU DataHub: San Marino, Ookla Speedtest Global Index, Visit San Marino