However, U.S. citizens born in the U.S. may also enter with a birth certificate and photo identification. A visa is not required for a stay of up to three months. Doctors and hospitals often expect immediate cash payment for health services. U.S. medical insurance is not always valid outside the United States. In some instances, supplemental medical insurance with specific overseas coverage has proved useful.
Street crime occurs.
Tourists have been victims of armed robbery in isolated areas. Muggings, purse-snatchings and other robberies occur in areas near hotels, beaches and restaurants, particularly after dark. Visitors should exercise appropriate caution when walking after dark, or rely on taxis or other means of escort. Valuables left unattended on beaches are subject to theft. The loss or theft of a U.S. passport overseas should be reported to the local police and the nearest U.S. embassy or consulate.