HAWAII HAWAII Best things to do on Oahu Traveling to Oahu for the first time? You are going to have a blast! Here is a quick guide with my favorite activities on the island! How to swim with wild dolphins in Oahu On our trip to Oahu, we managed to swim with wild dolphins two times! It was definitely a highlight on our trip and one of the best experiences I’ve had in my entire life. Tips to travel cheaper in Oahu Oahu is expensive