Visas:
US citizens do not require visas or passports. Canadians need only bring
a passport. Citizens of many Western European countries, Australia, New
Zealand and Japan can take advantage of a US reciprocal visa waiver
program if they intend to stay less than 90 days. Citizens of all other
countries require a US visa. Health risks: Sunburn, small risk of hepatitis and bilharzia,
being subject to repeated explosions over 190 decibels near the Vieques
military training facility
