US citizens require a passport valid on arrival. No visa is required.

British citizens require a passport valid for the duration of intended stay. No visa is required for a maximum stay of up to 45 days granted an Electronic System for Travel Authorisation (ESTA) is acquired prior to travelling. Those with any other endorsement in their passports should check official requirements before travel.

Canadian citizens require a passport valid for period of intended stay. No visa is required if travelling from the US mainland.

Australian citizens require a passport valid for the duration of intended stay. Australian passport holders do not require a visa for stays of up to 45 days, provided the document is machine-readable and is accompanied by the relevent Visa Waiver forms. Passengers travelling with an Electronic System for Travel Authorisation (ESTA) do not require a visa for a maximum stay of 90 days.

South African nationals require a passport valid for the duration of their stay. A visa is required.

New Zealand nationals require a passport valid for the duration of their intended stay. Visas are not required for stays of up to 45 days granted the given passport is machine-readable and is accompanied by the relevant Visa Waiver forms. Passengers travelling with a Electronic System for Travel Authorisation (ESTA) may enter without a visa for a maximum stay of 90 days.

Irish citizens require a passport valid for the duration of their intended stay. No visa is required for stays of up to 90 days provided an Electronic System for Travel Authorisation (ESTA) has been acquired prior to arrival in the country.

As an unincorporated US territory, entry requirements for Guam tend to follow US guidelines. All visitors to Guam must hold return or onward tickets, documents required for their next destination, and sufficient funds to cover their stay (US visitors are exempt). In some cases an ESTA (Electronic System for Travel Authorization) is required to enter the country visa-free. Passports must be valid for the intended period of stay. It is recommended to have six months' validity remaining on your passport whenever travelling. Immigration officials may apply different standards than the official policy._ _Note: Passport and visa requirements are liable to change at short notice. Travellers are advised to check their entry requirements with their embassy or consulate.