Capitola is generally very safe for solo female travelers. The crime rate is exceptionally low compared to the national average, and locals are friendly and respectful towards tourists. Street lights cover most of the areas, making the town as safe at night as it is during the day. The overall environment is peaceful and welcoming, and you can travel around the city comfortably, even if you are traveling alone. As always though, exercise normal travel safety precautions like keeping your belongings secure and being aware of your surroundings.