PURPOSE: To provide a marine board, e.g., surfboard, wind surfboard, body board, safely allowing a marine sport and not impairing the performance as a fin by using the safe fin. ;CONSTITUTION: A fitting piece 4 is formed on the peripheral edge section of a fin 2, insertion sections 7 formed with recesses or through holes are provided at proper positions of the fitting piece 4, a soft member such as molten rubber or silicone rubber is insert-molded to the fitting piece 4, and a soft protective cover 8 is provided at the peripheral edge section of the fin 2.;COPYRIGHT: (C)1996,JPO
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