Concrete Ships Hiding in Plain Sight: The Forgotten Breakwaters of America’s Harbors
9/11/2026 - By Jordan Hanssen, best4boats. There's a good chance a concrete ship is lurking in your local harbor — and you've never noticed. Built during both World Wars when steel was scarce, concrete vessels served as tankers, barges, and cargo carriers before finding a remarkably durable second life as breakwaters in… SEE MORE









