This document described portable pet washing stations. In one aspect, a pet washing station includes a bottom portion that extends from a first side of the pet washing station to a second side of the pet washing station opposite of the first side of the pet washing station. The pet washing station also includes a cover portion connected to the bottom portion and that forms a top portion and side wall portions. The cover portion extends from the first side of the pet washing station to the second side of the pet washing station. The pet washing station includes a coil spring disposed between layers of the cover portion. The coil spring extends from the first side of the pet washing station to the second side of the pet washing station.