Marine Aquarium Society of Toronto

Are you interested in saltwater aquariums in Toronto? Our aquarium club could be for you! Welcome to the Marine Aquarium Society of Toronto (MAST), a group of saltwater tank enthusiasts who, like you, are passionate about Toronto's marine aquarium life.

As Toronto’s largest saltwater group, MAST is your top information resource. Offering expert advice, informative workshops, social events and more, MAST provides you with an opportunity to learn, share your knowledge, and meet like-minded friends. Browse through this website, then attend our next meeting to learn more.