Abstract: An inflatable boat comprising an inflation structure which in turn has a drop stitch structure which is made of upper and lower fabric layers and also a core section made up in an array of threads extending throughout the drop stitch structure. The outside contour comprises a watertight/air tight sidewall enclosing the drop stitch structure and there is a seating compartment within the drop stitch structure and an interior wall sealing off the inside of the flotation structure.