Cosmopolis hotels and motels with swimming pools that are perfect for a family are listed below. Search for cheap and discount hotel rates at hotels with a pool in or near Cosmopolis, WA for your upcoming individual or family vacation. We list the best pool equipped, kid friendly Cosmopolis Washington hotel and motel rooms for children. Review the list of Cosmopolis hotels with indoor or outdoor pools below to find the perfect lodging for you and your kids.