Global organization for underwater sports, research, and education, offering events, training, certifications, and a community for aquatic enthusiasts.
Connect with the global underwater sports community
CMAS is the worldwide federation dedicated to underwater sports, science, and education. Here, you can explore international events, discover training opportunities, and connect with a vibrant community passionate about diving, freediving, finswimming, and more.
Whether you’re interested in competing, advancing your skills, or learning about underwater research and conservation, CMAS offers resources for enthusiasts and professionals alike. The site features certification search, event calendars, and information on technical and scientific advancements in the field.
If you want to join a global network focused on aquatic activities, keep up with the latest news, or get involved in environmental and scientific initiatives, CMAS is a welcoming hub for all things related to the underwater world.
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