A spool brake device for a dual-bearing reel includes a spool braking part, a spool controlling part, a water landing determination part, and a water landing informing part. The spool brake device is configured to brake a spool capable of winding thereabout a fishing line having a terminal tackle attached to a tip thereof. The spool braking part is configured to electrically brake the spool. The spool controlling part is configured to electrically control the spool braking part. The water landing determining part configured to determine whether or not the terminal tackle is in a water landing state indicating that the terminal tackle is in water. The water landing informing part is configured to inform of the water landing state of the terminal tackle when the water landing determining part determines that the terminal tackle is in the water landing state.