The present invention relates to a square roof type fishing banks which, more specifically, comprises a body part (10) including multiple groove parts (11), including multiple supporting parts (15) on both sides of the upper part, and including protective plates (16) on the outer sides respectively; and a plate (20) formed on the upper part of the protective plates (16) respectively in the longitudinal direction, wherein the multiple protective plates (16) are formed on the outer side of the supporting parts (15), and the body part (10) is made of a concrete material and formed to including a rebar (12) in the inside, while multiple protrusion parts (13) are formed on both sides of the upper and lower parts, a hollow part (14) is formed between each of the protrusion parts (13), multiple fixers (21) are formed on one side of a plate (20), and the plate is formed in any one among H and U shapes to intactly maintain an original purpose of the fishing banks and also form the body part to have a protrusion part on the lower part to be used in coastal water having low water level.
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