Technically, you can, but it is extremely dangerous and strongly discouraged by wildlife experts in 2026. Saltwater (estuarine) crocodiles are apex predators that are highly territorial and can be undetectable even in knee-deep water. If you must enter water in a known crocodile habitat, only swim at patrolled beaches between the flags, as lifesavers monitor these areas specifically for sightings. Never swim at dawn, dusk, or night when crocodiles are most active, and avoid murky water where they are invisible. While freshwater crocodiles are generally more shy and less aggressive than "salties," they will still bite if they feel cornered or threatened. A high-value safety rule: always look for the yellow and red warning signs. If you see one, the peer-to-peer advice is to stay at least 5 meters (16 feet) away from the water's edge, as crocodiles can launch themselves out of the water with incredible speed to ambush prey.