There are many places in the world where you can go swimming with these beautiful creatures, but there are only four places for dolphin swimming in Kona Hawaii, or in Oahu that have a separate fan following in comparison to others. Dolphins, Snorkel, and Waterslide on the West Side of Oahu ( Oahu’s western coastline swim with dolphins from a safe distance. Ocean activities like paddleboarding, a small rock climbing wall, and a water slide are just an add-on).