Past the lake, CR 521 has an intersection with CR 622 and crosses into Hampton Township, where there are a few farm fields along the road. At an intersection with CR 626, the route makes a turn northwest onto West Shore Drive before turning west onto Kemah Mecca Lake Road.
Beyond the lake, CR 521 intersects with CR 622 and enters Hampton Township, where there are a few farm fields along the road. At an intersection with CR 626, the route makes a turn northwest onto West Shore Drive before turning west onto Kemah Mecca Lake Road.