Welcome on board of Silversonic! This modern, luxurious and spacious 29-metre high-speed catamaran will take you from Port Douglas to the best snorkeling and scuba diving in the Great Barrier Reef. Dive into the natural wonderland of Agincourt ribbon reefs and explore its rich diversity of coral and marine life together with your family and friends. During the Great Barrier Reef cruise, you can snorkel and/or do up to 3 guided dives if you are a certified diver or complete an introductory diving course. Onboard of Sonic, you have 8 hours to do whatever you want! We provide you with easy access to water, expansive sundecks, air conditioned lounge & licensed bar, five-star food and highly-skilled instructors. Our Silversonic crew makes sure that you experience an ultimate dive and snorkel adventure in comfort and style!