Sea Turtles, Beautiful Coral, Colorful Fish!! Experience Hawaii’s Marine life on Maui’s oldest and most vibrant reef. Located just south of Lahaina. Snorkel from shore with a Marine Biologist as your guide during an easy and personalized tour (8 people or less). All gear provided with snorkel lesson at start of tour. Learn Biology and Conservation topics from your guide while experiencing it first hand, in the field.