A roof apparatus includes a functional bracket supporting a movable panel, a guide rail extending in a longitudinal direction of a vehicle, a drive shoe moving along the guide rail, a front link connected to the functional bracket to move in the longitudinal direction in conjunction with the movement of the drive shoe, a front guide portion guiding the functional bracket and the front link in the longitudinal direction, a check member engaged with the drive shoe to move rearward with the drive shoe when a distance of the rearward movement of the drive shoe is shorter than a predetermined distance, the check member disengaged from the drive shoe when the distance of the rearward movement of the drive shoe is equal to or longer than the predetermined distance, a rear link engaged with the check member, and a rear guide portion guiding the rear link in the longitudinal direction.