Marignane is generally a safe area for solo female travelers. The locals are often welcoming and friendly towards tourists. Crime rate is relatively low, with most incidents being petty crimes like pickpocketing or minor theft, usually in crowded places. Always, it is advisable to exercise normal precautions that one would do when traveling: avoid walking alone at night in unfamiliar areas, keep valuable items secure, and stay aware of your surroundings. Public transportation and taxi services are reliable even late at night. It is always proper to check with your local embassy or consulate about their advisories before travelling, though.