Molokini Crater is a crescent-shaped volcanic caldera located off the coast of Maui, Hawaii. It is a popular snorkeling and diving destination, known for its clear waters and diverse marine life. The crater is partially submerged, creating a unique underwater ecosystem that attracts both tourists and researchers. The area is also a protected marine reserve, which helps preserve its natural beauty and biodiversity. Visitors can explore the vibrant coral reefs and encounter various species of fish, sea turtles, and other marine creatures. Molokini's stunning scenery and rich underwater environment make it a must-visit location for nature enthusiasts.