The Open International des Brisants is the world’s premier beach tennis tournament held on the golden sands of Saint-Gilles. Historically, this event has transformed the island into the global capital of this rising sand-based sport. It reinforces regional identity by showcasing the island’s unique lifestyle and its capacity to host elite international athletic competitions. Visitors can experience high-octane matches and a festive village atmosphere right on the edge of the lagoon. This tournament drives significant social impact by inspiring local youth and promoting sports health within the coastal communities. Researchers will find the event a prime example of the professionalization of beach sports in tropical territories. Sustaining this legacy ensures that Reunion remains a leader in the global beach tennis circuit.