Citizen of Argentina, Canada, Israel, Japan, Panama, the USA and most Western European countries are allowed 90 days’ stay with no visa. Citizens of Australia, Iceland, Ireland, Mexico, New Zealand, Russia, South Africa and Venezuela are allowed 30 days’ stay with no visa. Other countries need require a visa from a Costa Rican embassy or consulate. All travelers must have either a return ticket or a ticket showing they will be outbound, exit or onward ticket.
Travellers coming from Angola, Benin, Burkina Faso, Cameroon, Democratic Republic of the Congo, Gabon, Gambia, Guinea, Liberia, Nigeria, Sierra Leone, Sudan, Bolivia, Venezuela, Brazil, Peru, Colombia and Ecuador as well as the Republic of Guyana must have a yellow fever vaccination certificate.