Whether you're a long-time resident or a visitor, a certified diver or a beginning snorkeler, this guide to twenty-six of Oahu's best snorkeling and diving sites will enrich and enhance your underwater adventures. Detailed driving directions to each location are included as well as helpful maps showing onshore facilities and many offshore features you'll want to explore. You'll learn where it's safest to enter and exit the water, what to look for (coral, shells, fishes, underwater caverns), and what hazards to avoid. The author provides essential information on safety and seasonal wind and...