A marine vessel floor mat for attachment to the deck of a boat to provide enhanced cushioning to stand on. In one embodiment, the marine vessel floor mat comprises a cushion layer shaped to fit the dimensions of the bow of a conventional marine vessel or other target section of such a marine vessel with a non-slip layer shaped as the cushion layer, or with an additional front section, and/or additional rear section permanently attached to the top surface of the cushion layer. The cushion layer additionally includes a tapered edge on its top surface and a plurality of fastener strips for enabling removable attachment to the surface of the boat deck on its bottom surface.