A dual bearing reel includes a basic unit and a cover portion. The basic unit includes a spool, a spool driving mechanism, and a reel body. The reel body includes a main frame having first and second side plates that are spaced apart from each other, and connectors linking the first and second side plates, and third and fourth side plates each detachably mounted to the main frame. The spool and spool driving mechanism are installed in the main frame so as to function in cooperation with each other. The cover portion includes first and second cover members each detachably mounted to the reel body so as to cover the exteriors of the third and fourth side plates. More flexible ornamental design of dual bearing reel is possible while securing its indispensable functions. Also, a common part, which can be used in dual bearing reels of other models, is established.