If you are travelling internationally you will likely need a passport and possibly a visa. Here are some links for passport and visa travel depending on the country you are going to. Please keep in mind that the information here and on these links may be dated, incorrect, and unofficial. You are encouraged to check with your local authorities and the authorities of the country you are visiting for the most current information.

Curacao: http://www.curacao.com/Plan-Your-Trip/Getting-to-Curacao/Entry-Requirements

Bonaire: http://www.infobonaire.com/entryrequirements.html

Venezuela in general: http://www.wordtravels.com/Travelguide/Countries/Venezuela/Visa

Los Roques: http://www.odyssei.com/travel-tips/24788.html

Margarita/El Coche: http://www.margaritaislandvacation.info/traveltips.htm