A parking device, which is configured to park a straddled vehicle, comprising: at least one arm (12, 22) configured to support the vehicle; an actuator (50L, 50R) configured to move a position of the arm (12, 22); and a control device configured to control an operation of the actuator (50L, 50R), means configured to detect entry of the vehicle into the parking device, a speed sensor, which is to be used for detection of a travel speed of the vehicle entering the parking device, wherein the control device is configured to control the actuator (50L, 50R) to bring the arm (12, 22) close to the vehicle in accordance with entry of the vehicle into the parking device, characterized in that the control device is configured to change a timing of starting a movement of the arm (12, 22) in accordance with the travel speed of the vehicle detected by the speed sensor, preferably the control device is configured to delay the timing of starting the movement of the arm (12, 22), when the detected travel speed of the vehicle detected by the speed sensor is lower than a specific speed value compared with a case in which the travel speed of the vehicle detected by the speed sensor is higher than the specific speed value, and/or the control device is configured to change a movement speed of the arm (12, 22) in accordance with the travel speed of the vehicle detected by the speed sensor, preferably the control device is configured to reduce the movement speed of the arm (12, 22) when the detected travel speed of the vehicle detected by the speed sensor is lower than a specific speed value compared with a case in which the travel speed of the vehicle detected by the speed sensor is higher than the specific speed value. at least one arm (12, 22) configured to support the vehicle; an actuator (50L, 50R) configured to move a position of the arm (12, 22); and a control device configured to control an operation of the actuator (50L, 50R), means configured to detect entry of the vehicle into the parking device, a speed sensor, which is to be used for detection of a travel speed of the vehicle entering the parking device, wherein the control device is configured to control the actuator (50L, 50R) to bring the arm (12, 22) close to the vehicle in accordance with entry of the vehicle into the parking device, characterized in that the control device is configured to change a timing of starting a movement of the arm (12, 22) in accordance with the travel speed of the vehicle detected by the speed sensor, preferably the control device is configured to delay the timing of starting the movement of the arm (12, 22), when the detected travel speed of the vehicle detected by the speed sensor is lower than a specific speed value compared with a case in which the travel speed of the vehicle detected by the speed sensor is higher than the specific speed value, and/or the control device is configured to change a movement speed of the arm (12, 22) in accordance with the travel speed of the vehicle detected by the speed sensor, preferably the control device is configured to reduce the movement speed of the arm (12, 22) when the detected travel speed of the vehicle detected by the speed sensor is lower than a specific speed value compared with a case in which the travel speed of the vehicle detected by the speed sensor is higher than the specific speed value.