Public transportation in Kralendijk is generally safe and reliable. The main form of public transport, which is the buses, operates on a regular schedule. The bus drivers and fellow passengers tend to be polite and helpful, so it's quite easy to navigate even if you're not well-versed in Dutch. However, like all places, it's necessary to be aware of your surroundings, especially during less busy hours. Taxis are also available, but make sure they are licensed ones for safety. Overall, it's a safe and practical way for a solo female traveler to get around.