Abstract: A universal folding ladder for inflatable boats and pleasure craft comprising a tubular structure intended for straddling the gunwale of a boat and including at least two L-like elements extending parallel to each other and being interconnected at the ends thereof by at least two adjustable U-like elements, said structure being connected at one side to the boat through a latch means for a catch element, and on the other side to swingingly connected rungs, between the L-like elements there being mounted a flat rest base member including one or more boards.