Yes, you can swim in the ocean in Noumea, the capital of New Caledonia, which is famous for its stunning turquoise bays and the world's largest coral lagoon. Popular spots like Baie des Citrons (Lemon Bay) and Anse Vata are the primary swimming hubs, offering calm waters sheltered from the wind. However, as of 2026, visitors must be aware of significant safety protocols following a series of shark incidents in 2023. The local government has invested heavily in "shark-safe" swimming zones, including the installation of massive underwater metal netting at Baie des Citrons to create a protected enclosure for swimmers. While the water remains warm and inviting year-round, it is strictly advised to only swim within these netted areas or designated patrolled zones. Beyond the immediate city beaches, boat trips to nearby islets like Duck Island (Île aux Canards) or Master Island (Île Maître) offer world-class snorkeling in crystal-clear water where you can see vibrant coral gardens and sea turtles.