Costa Rica has an airport departure tax that is not included when purchasing an Air Transat flight ticket. This US $29 tax must be paid locally, per person (babies included), before leaving the country, by cash (american dollars or Colon), or Visa. MasterCard are not accepted.
For more information about passport and visa requirements, visit the Government of Canada travel website.
Visit the Public Health Agency of Canada website or ask your health professional about vaccination requirements.