5Oahu, Hawaii, USA
For a thrilling shark encounter in the United States, head to Oahu, Hawaii. The North Shore of Oahu is a popular spot for cage diving with Galapagos sharks and sandbar sharks. The clear, blue waters offer excellent visibility, and the cage diving tours here provide a safe and exciting way to observe these sharks up close. Oahu also offers snorkeling and free-diving tours for those looking to experience sharks without the barrier of a cage. These tours take place in the open ocean, where divers can swim alongside sharks in their natural environment.