The present invention relates to an artificial reef using forest wood, which provides a hideout and a habitat for marine organisms, comprising: an outer body formed by coupling a plurality of concrete structures to each other, and having a space formed therein； and an inner body formed of a plurality of wood-containing structures. The concrete structure includes a dovetail protrusion, a dovetail groove, a plurality of rectangular or circular openings, and a porous body of a glass foamed product.본 발명은, 해양 생물의 은신처 및 서식처를 제공하는 것은 물론 설치 상태가 비교적 장기간 견고히 유지될 수 있도록 하고, 군집 설치가 용이하게 이루어질 수 있도록 하는 산림 목재를 이용한 인공어초에 관한 것이다.
