U.S. medical insurance is not always valid outside the United States. Supplemental medical insurance with specific overseas coverage, including provision for medical evacuation, has proven useful in many emergencies. Never leave valuables in the vehicle, and park in paid lots whenever possible. Travelers who keep valuables out of sight, do not wear jewelry, and travel in groups during daylight hours lessen their risk. Local law enforcement agencies have limited capabilities.
Money exchangers on the street pass off counterfeit U.S. dollars and local currency.
Some trails in national parks have been closed because of low numbers of visitors and reported robberies of hikers in the area. Tourists should check with forest rangers for current park conditions. The loss or theft abroad of a U.S. passport should be reported immediately to local police and to the U.S. Embassy in San Jose. Travelers may wish to carry a copy of their passport data page and leave the passport itself in the hotel safe or other secure location. Penalties in Costa Rica for possession, use and trafficking in illegal drugs are strict, and convicted offenders can expect lengthy jail sentences and fines.