Isla Holbox, is generally considered safe even at night. However, as with any travel destination, it is important to be aware of your surroundings and take regular precautions. The island is small, peaceful, and sees a lot of tourists which can make it feel safer. It is not common to encounter serious crime. While some travelers have gone out walking alone at night without issues, incidents can still happen. For added safety, avoid poorly lit areas, be careful with alcohol consumption and don't share your travel plans with strangers.