A worldwide celebration of our shared underwater cultural heritage. The underwater world connects us across borders, cultures and generations. Through diving, exploration, research and education, we share a responsibility to discover, protect and pre...

Ciudad de México a 23 de septiembre de 2026. Durante dos décadas, la CSDI María Clotilde "Coty" Zeckua Ramos ha construido una trayectoria vinculada al Buceo Científico que trasciende la formación de buceadores: su trabajo ha contribuido al desarroll...

🌐 CMAS invites you to join September's ITA Monthly Webinar! Topic: Ask the Expert: Supplements Part II 🗓 Date: Monday, 28 September 2026 🕑 Time: 14:00 – 15:00 CEST Supplements remain an important topic for athletes and Athlete Support Personnel — par...

In 2001 several countries and organisations signed the UNESCO convention for the protection of the underwater cultural heritage. Of course, CMAS was one of the organisations that fully supported this aim. After these 25 years it is obvious that it is...

🌐 CMAS invites you to join August's ITA Monthly Webinar! Topic: Youth Athletes Competing at Major Events 🗓 Date: Wednesday, 26 August 2026 🕑 Time: 14:00 – 15:00 CEST Are you a young athlete or a member of Athlete Support Personnel preparing for futur...

🌐 CMAS invites you to join July's ITA Monthly Webinar! Topic: Beyond Performance: Building Resilience and Identity for Clean Sport 🗓 Date: Thursday, 16 July 2026 🕑 Time: 14:00 – 15:00 CEST Are you an athlete or a member of Athlete Support Personnel l...

CMAS is pleased to announce its admission as a Committee Member of the Fédération Internationale Sport pour Tous (FISpT). FISpT is an international organisation dedicated to promoting Sport for All, encouraging participation in physical activity, act...

CMAS is pleased to announce the signing of a Memorandum of Understanding (MoU) with the International School Sport Federation (ISF), marking the beginning of a new partnership aimed at promoting underwater sports within the international school sport...

🌐 CMAS invites you to join June's ITA Monthly Webinar! Topic: Ask the Expert: The Athlete Biological Passport 🗓 Date: Tuesday, 30 June 2026 🕑 Time: 14:00 – 15:00 CEST Are you an athlete or a member of Athlete Support Personnel interested in learning ...

From May 14–17, 2026, the coastal waters of Taiwan's Hengchun Peninsula hosted the 2026 CoralWatch Asia Ambassador Workshop, an international training initiative dedicated to strengthening coral reef monitoring, citizen science, and marine conservati...

From June 8th to 24th, the 6th Inter-Semester Summer 2026 Scientific Diving Course will be held through the Autonomous University of Baja California (UABC), with the endorsement of the Mexican Federation of Underwater Activities and the World Confede...

The International Scientific Diving Colloquium will be held this Friday, June 5th, at 3:00 PM (Ensenada, Baja California, Mexico time). This colloquium is part of the 6th Scientific Diving Course at UABC (Autonomous University of Baja California). It...

🚨 Missed the ITA IF Webinar Series 2026 live sessions? You still have time! CMAS and the International Testing Agency (ITA) are pleased to offer a final opportunity to access the full IF Webinar Series – Edition 2 (2026) through the dedicated Toolkit...

🌐 CMAS invites you to join May's ITA Monthly Webinar! Topic: Ask the Expert: Intelligence & Investigations 🗓 Date: Thursday, 21 May 2026 🕑 Time: 14:00 – 15:00 CEST Are you an athlete or a member of Athlete Support Personnel interested in understa...

Born in 2008, Anna Leonardi, is already making her mark on finswimming history. Last season, the young Italian athlete delivered an outstanding performance by breaking the Junior World Record in the 1500m surface, surpassing a benchmark that had...

On the occasion of the upcoming World Cup stage, we met with Colomba Fourton Bellini, President of the finswimming section of Pays d'Aix Natation since last year. Pays d'Aix Natation embodies the strength of collective performance, a high-performance...

🌐 CMAS invites you to join April's ITA Monthly Webinar! Topic: Ask the Expert: Supplements 🗓 Date: Thursday, 30 April 2026 🕑 Time: 14:00 – 15:00 CEST Are you an athlete or a member of Athlete Support Personnel looking to better understand the risks a...

🌐 CMAS & ITA IF Webinar Series 2026 is here – and it now counts for your Clean Sport education! CMAS is pleased to announce that the ITA IF Webinar Series – Edition 2 (2026) is now officially recognised as a valid option for athletes to fulfil th...

The restoration of Posidonia is critical because these underwater meadows provide essential ecosystem services that are vital for both marine life and humans: Climate Change Mitigation: They act as significant carbon sinks by capturing CO2 and produc...

🌐 CMAS invites you to join March's ITA Monthly Webinar! Topic: Ask the Expert: Therapeutic Use Exemptions (TUEs) 🗓 Date: Tuesday, 31 March 2026 🕑 Time: 14:00 – 15:00 CEST Are you an athlete or a member of Athlete Support Personnel who wants to better...