Disclosed are a float for aquaculture having a bulkhead member and a manufacturing method thereof. A float for aquaculture having a bulkhead member comprises: one side cover and the other side cover (110, 120) which have a symmetry structure and in which facing surfaces are sealed by heat plate bonding； and one side bulkhead member and the other side bulkhead member (130, 140) which are divided to have a plurality of division spaces in each of one side cover and the other side cover (110, 120) and in which facing surfaces having a symmetrical structure are sealed by heat plate bonding.개시된 본 발명에 따른 격벽부재를 구비하는 양식용 부자 및 그 제조방법 중 격벽부재를 구비하는 양식용 부자는, 대칭구조를 갖으며, 대향면이 열융착에 의해 밀봉되는 일, 타측커버(110, 120)； 및 상기 일, 타측커버(110, 120) 각각의 내부에 다수의 분할 공간을 갖도록 구획 형성되며, 대칭구조를 가져 대향면이 열융착에 의해 밀봉되는 일, 타측 격벽부재(130, 140)；를 포함하여 이루어진다.
