Lixus occupies a hill above the Loukkos River near modern Larache, overlooking a navigable estuary on Morocco's Atlantic coast. Phoenician traders established a settlement there by at least the early first millennium BCE, engaging with Indigenous communities already living in the region. Its harbor connected Atlantic resources with networks reaching the Strait of Gibraltar and Mediterranean. Later traditions associated Lixus with Hercules, the Garden of the Hesperides, and the giant Antaeus, giving the place a mythic antiquity beyond archaeological evidence.

The settlement developed under Punic influence and then within the Mauretanian kingdom. Local rulers participated in Mediterranean diplomacy and trade while maintaining regional political traditions. Workshops, houses, shrines, streets, and imported ceramics reveal a mixed community rather than a foreign commercial enclave. After Rome annexed Mauretania Tingitana in the first century CE, Lixus expanded with public buildings, baths, temples, an amphitheater, residences, and industrial quarters. Latin institutions existed alongside enduring local identities and practices.

Fish processing became one of Lixus's most important industries. Large vats near the river produced salted fish and sauces for export, relying on seasonal catches, salt, pottery containers, ships, merchants, and extensive manual labor. The surviving industrial complex is among the largest known in the western Roman world. Agricultural estates and inland routes also supported the city. Wealth funded mosaics and monumental architecture, while workers, enslaved people, fishers, craftspeople, women, and traders sustained an economy often represented only through elite remains.

Urban activity declined in late antiquity as political authority, trade patterns, and the estuary changed. Occupation continued in altered forms through early Islamic centuries before regional activity concentrated elsewhere, especially around Larache. Stone robbing, farming, erosion, and vegetation affected the ruins. Archaeological work by Moroccan and European teams exposed major monuments, though early excavation and removal of mosaics sometimes separated objects from context. Continuing research has emphasized the city's Indigenous foundations and long cultural mixture.

Conservation must address unstable masonry, drainage, plant growth, visitor access, unexcavated deposits, and the relationship between the hill, river, harbor, and industrial zone. Lixus is significant because it reveals sustained contact among local North African, Phoenician, Punic, Mauretanian, Roman, and Islamic communities. Its importance goes beyond classical myth or Roman monuments. The fish-salting vats, homes, temples, and streets demonstrate how Atlantic ecology and Mediterranean commerce created prosperity, while the layered city challenges narratives that treat North Africa only as a recipient of outside civilization. Large areas of the site remain unexcavated today.