San Marino

Southern Europe · SMR

San Marino has no submarine cable landings on record. The landlocked microstate reaches the global internet through terrestrial transit across Italy, with the register for this territory still being compiled.

Connectivity at a glance

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Cable systems serving San Marino

We’re still mapping the cable systems that land in San Marino. Check back soon.

Landing points

Landing point records for San Marino are being compiled.

Geography and connectivity

San Marino is one of the world's smallest and oldest republics, a landlocked enclave set entirely within Italian territory in the northern Apennines. With no coastline, the country has no submarine cable landings of its own and no prospect of acquiring them. Every bit and byte entering or leaving San Marino travels overland, passing through Italian network infrastructure before reaching the broader European backbone and, beyond that, the global submarine cable grid.

This arrangement is not unusual for landlocked states, but it does carry structural implications. San Marino is entirely dependent on the health and capacity of its terrestrial interconnections with Italy. The resilience of those connections rests on Italian carriers and the density of Italy's own domestic fibre footprint rather than on any infrastructure San Marino controls directly.

Reaching the submarine network

Italy is among the better-connected countries in Southern Europe, with submarine cable landings distributed across multiple coastal cities on both the Adriatic and Tyrrhenian coasts. Traffic originating in San Marino ultimately transits to those landing points — and from there to cable systems serving the Mediterranean basin, the Atlantic, and beyond. The intermediary hops are invisible to end users but represent real points of dependency that San Marino cannot influence through its own infrastructure policy.

Satellite connectivity provides an alternative path that bypasses terrestrial chokepoints entirely, and for a microstate of San Marino's size and population, satellite capacity may serve as a meaningful supplement or backup. The practical balance between terrestrial transit and satellite depends on commercial arrangements that are not documented here.

Register status

No submarine cables serving San Marino are documented in this register. Given the country's geography, none are expected: the relevant infrastructure question for San Marino is the quality and redundancy of its cross-border terrestrial links into Italy, not the diversity of cable landings.

Work to compile a complete picture of San Marino's broader connectivity arrangements — including terrestrial transit providers and any satellite capacity — is ongoing. Operators or researchers with relevant data are encouraged to contribute through the site's submission process.