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.
Past the lake, CR 521 meets CR 622 and enters Hampton Township, where it passes through some farmland.  At another intersection with CR 626, the road turns northwest onto West Shore Drive then west onto Kemah Mecca Lake Road.