represent applications of the principles of the present invention various changes and modifications obvious to one skilled in the art to which the present invention pertains are deemed to be within the spirit scope and contemplation of the present invention as further defined in the appended claims referring to fig1 through 4 there is illustrated a preferred embodiment of the present invention shoreline erosion mitigation device 10 the main element of the device 10 consists of lengths of high density polyethylene hdpe pipe 20 pe is an inexpensive inert plastic with natural toughness and flexibility which will not corrode or deteriorate in an ocean environment polyethylene pipe is commonly used for dredging and oil transmission lines in the present invention 10 hdpe pipes 20 are arranged in approximately parallel rows 30 and connected by a system using flexible links or clamps 200 see fig7 which leaves space 120 between the pipes 20 by increasing or decreasing the number length and or diameter of the pipes 20 and or the number of clamps 200 the design of the reef 10 can be adjusted to accommodate differing bathymetrics and conditions this modular nature allows this reef design to be easily scaled and engineered to meet virtually any location 39 s requirements the fact that hdpe pipe is manufactured around the world and the universal nature of the clamp design insure low cost through economy of scale and ease of manufacture each pipe 20 has a diameter u201c d 1 u201d which can range from 12 inches to 26 inches the preferred shape of each.