Snorkeling Mecca is a term used to describe two of the most popular snorkeling destinations in the world: Maui and ATOLL. Maui is an island in Hawaii, known for its stunning beaches and crystal clear waters. ATOLL is a type of coral reef found in the Indian and Pacific Oceans, characterized by its ring-like shape and abundance of marine life. Both locations offer excellent snorkeling opportunities, with plenty of colorful fish and coral to explore.