MESAC Marine Education Science and Community About MESAC Marine Education Science and Community Inc. (MESAC) are local and internationally focused, marine science educators located at Ricketts Point Marine Sanctuary. Events We offer a series of inclusive, diverse activities and workshops, both on the land and in the water for the community, offering something for everyone! Contact us MESAC has a vibrant, engaged and highly educated Committee. Please feel free to email these individuals if you have any queries or contributions. Publications MESAC publishes many books, DVDs, articles and newsletters for the marine enthusiast, citizen scientist, snorkeler, beach-comber, rock pool rambler, for adults and children alike.