Dengue and leptospirosis are common in Jamaica and so travellers should take necessary precautions. It is always safe to avoid water bodies like dams and rivers. The possibility of getting malaria is high, and visitors are advised to use adequate amounts of mosquito repellent. Tap water in Jamaica is unsafe for drinking; ensure that you use bottled or mineral water.

Medical facilities in Jamaica are of mediocre standards and medical care can be very expensive. Always make sure to attain travel medical insurance before visiting Jamaica.  

Jamaica has high rates of crime and terrorism; avoid areas like Mountain View and Hummingbird at night. Avoid walking and using public transport at night, and do not give lifts to strangers. Always stay alert while walking alone and in isolated areas.

Homosexuality is prohibited and smoking marijuana is considered illegal.