A person seeking exit from a port in Trinidad and Tobago to a foreign port must produce: - Valid Passport/Travel Document.
  Immigration Attachés are posted at the following Trinidad & Tobago Foreign Missions: Washington, DC, New York, Miami, Toronto, London, Caracas.   A permitted entrant to Trinidad and Tobago who requires an Extension of Stay to remain in the country shall appear before the Immigration Authorities in Trinidad and Tobago.
Visa Requirements

Citizens and Residents of Trinidad and Tobago do not require visas for entry into Trinidad and Tobago.
Citizens of the following countries do not require visas for entry to Trinidad and Tobago:
CARICOM: except Haiti (Holders of Diplomatic, Official or Service Passports from Haiti do not require visas).
EUROPEAN UNION: A visa for Business/Vacation purposes for visits of up to ninety (90) days within a 180 day period, is not required for European Union countries. (See below for a list of the Member States of the European Union). 

   Austria   Denmark    Hungary     Netherlands    Spain
   Belgium    Estonia    Italy    Poland    Sweden
   Bulgaria    Finland    Latvia    Portugal    
   Croatia    France    Lithuania    Romania    
   Cyprus    Germany    Luxembourg    Slovakia    
   Czech Republic    Greece    Malta    Slovenia    

And for non-European Union Schengen countries (Iceland, Liechtenstein, Norway and Switzerland)

COMMONWEALTH with the exception of:
Australia    Nigeria    Uganda 
Cameroon   Papua New Guinea    
Fiji   South Africa    
Mozambique   Sri Lanka    
New Zealand   Tanzania    
For a comprehensive list of countries and their visa requirements click here.
An application for an Entry Visa must be submitted to a Trinidad and Tobago Mission abroad or where there is no Trinidad and Tobago Office, to a UK Embassy or Consulate in a non-Commonwealth country.
An application for an Entry Visa may be submitted via the following email address
In cases where there is no Trinidad and Tobago Office available abroad.
An application for an Entry Visa must be completed on the prescribed form. Visa application form