Ultimate Circle Island Tours prides itself in providing custom client relationships through our boutique family-style tours. We are one of only a few Oahu circle island tours that include the chance to swim with the noble Hawaiian green sea turtles on Oahu’s North Shore. Your professional tour guide will also share interesting cultural and historical facts with you as we tour around the island. Come with us to enjoy a full day of exploring Oahu. | Oahu best snorkeling tours