A marine structure comprising a supporting member that comprises a wall at least partially delimiting said supporting member such that an inner side of said wall is arranged to at least partially delimit an inner volume of said supporting member and an outer side of said wall is arranged to face the ambient environment of said supporting member. The marine structure further comprises a drain pipe adapted to guide fluid from said marine structure to a body of water at least partially surrounding said marine structure. At least a portion of said outer side of said wall partially delimits said drain pipe.