Every year, thousands of shipping containers go overboard - some in headline-making storms, most in a quiet trickle that barely makes the news. With mandatory loss reporting now in effect as of 2026, the industry is finally getting a clearer picture of the problem. But better counting only gets you so far. The real question for carriers, shippers, and logistics partners is simpler: what actually stops a container from falling in the first place? The good news is that container loss isn't purely a matter of bad luck or unavoidable weather. Most incidents trace back to a handful of preventable failure points - and the industry has spent years developing the technology, standards, and practices to address each one.

Somewhere beneath the ocean right now, tens of thousands of steel boxes are sitting on the seafloor. Every year, roughly 250 million containers cross the world's oceans, and almost all of them arrive exactly where they're supposed to. Almost. A small percentage never make it - and what happens to them after they hit the water is stranger, and more consequential, than most people realize.