Kailua is generally a safe and friendly destination for solo female travelers. The locals are warm and welcoming and the town itself boasts of having a low crime rate. However, as with any travel experience, it is essential to exercise common sense and maintain your standard vigilance. On beaches or other quiet spots, ensure to keep your possessions close by. In addition, it's recommended to use marked crosswalks when crossing roads because of the high volume of traffic. Kailua is an easy place to explore and meeting other travelers and locals is straightforward.