Oslob is generally safe for solo female travelers. Locals are friendly and often willing to help. There's a strong police presence in tourist areas, minimizing the risk of petty crime. However, like any place, it's still essential to be aware of your surroundings, particularly at night. Don't flaunt valuable belongings and always secure your accommodations. The town is small, so it's easy to navigate. Beware of sea currents when swimming with whale sharks.