Do San Marino passport holders need a visa for Tonga?

Visa required (apply before travel)

Yes — San Marino passport holders need a visa for Tonga, arranged before travel.

Entry requirements for Tonga

Where to applyOfficial visa information — official government portal. Avoid third-party visa sites.
Passport validity6 months months beyond arrival — Travellers are required to hold passports with a validity of a minimum of 6 months when entering Tonga.
Onward ticketRequired — Visitor visa on arrival is conditional on holding a valid return ticket out of the Kingdom to a country the traveller is permitted to enter, plus sufficient funds.

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Guidance for planning — verify with official sources before travel · Terms