Tortuguero is generally safe, but like any other places, nighttime can present some safety considerations, especially for solo female travelers. It's a small village with limited lighting, making visibility tricky at night. Additionally, while the community is generally peaceful and crime rate is low, incidents like bag snatching or pickpocketing can occur. It's advised not to walk alone at night and to use caution if you choose to do so. Use trustworthy transportation, stay in well-lit areas, be aware of your surroundings, and keep your belongings secure at all times.