There are provided an image shake correction device capable of improving correction accuracy of image shake by improving position detection accuracy of a movable member, and an imaging device including the image shake correction. An image shake correction device 3 includes a support member 1 that supports a movable member 2 to be movable in a plurality of directions along a flat surface, drive coils C1 to C3 fixed to the movable member 2, Hall elements H1 to H3 fixed to the movable member 2, drive magnets Mv1 to Mv3 fixed to the support member 1, and position detection magnets Mh1 to Mh3. In a case where two adjacent magnets of all the magnets including the drive magnets Mv1 to Mv3 and the position detection magnets Mh1 to Mh3 are focused as viewed in a direction Z perpendicular to the flat surface, the same poles of the two magnets face each other.