A dual-bearing reel includes a reel body, a spool shaft, and a spool body. The spool shaft is rotatably mounted to the reel body. The spool body is non-rotatably mounted to the spool shaft. The spool body has an insertion hole. The spool shaft is inserted into the insertion hole. The spool shaft has an insertion region. The insertion region is inserted into the insertion hole and is disposed to oppose a surface of the insertion hole. The insertion region has a first region and a second region. A first gap is disposed between the first region and the insertion hole. A second gap that is smaller than the first gap is disposed between the second region and the insertion hole.