Jastarnia is generally a safe destination for solo female travelers. It is a small and peaceful seaside town, known for its friendly locals and laid-back atmosphere. Petty crime is relatively low compared to bigger cities. At night, the town is moderately illuminated. However, always maintain a high level of vigilance, particularly when walking alone. It's advisable to stay in well-lighted areas and avoid secluded spots or unpopulated paths. Preventive measures should always be taken even in the safest places.