Safety at night:Very safe
Vestmannaeyjar, is indeed a very secure place to traverse even at night. The crime rate is extremely low, and the locals are generally hospitable and respectful. The city is well-lit and populated enough that you are unlikely to find yourself alone in an isolated and unfamiliar area. However, while the likelihood of encountering a safety issue is minimal, you should always be aware of your surroundings and keep the same kind of cautious mindset you'd have in any other location.