While in port in Honolulu, go snorkeling at Hanauma Bay, Hawaii, one of the most popular natural attractions in the world! Hanauma Bay is a protected cove that is famous for its amazing snorkeling. While in the water, you'll spot schools of colorful fish and perhaps even dolphins and turtles. The safe inner reef is perfect for children and beginners, while the more challenging outer reef will thrill advanced snorkelers on Hanauma Bay tours.