PROBLEM TO BE SOLVED: To provide a recovery device and method for a floating fish reef which requires a low recovery work cost and can perform recovery work efficiently in a short time.SOLUTION: The recovery device for a floating fish reef includes: a single ship 6 moved in a sea area with a tidal current T toward a floating fish reef 1; a first recovery rope operation tool 10 connected with the ship in an upstream sea area A of the floating fish reef and connected with one end side of a recovery rope 7; a second recovery operation tool 11 arranged in the upstream sea area of the floating fish reef and connected with the other end side of the recovery rope; a traction tool 12 arranged in the upstream sea area of the floating fish reef and restricting a drift of the second recovery rope operation tool; and a ring formed on one end part of the recovery rope and inserted with the other end part of the recovery rope to make the recovery rope into a ring shape. In the upstream sea area of the floating fish reef, t
