At its peak, Essaouira handled a majority of Morocco's entire Atlantic trade, and after 1799 that trade was run almost entirely by Jewish merchant families. The reason has less to do with the merchants than with a sultan who closed every other southern port and needed agents who could never become rivals.
At its commercial peak, in the late eighteenth and early nineteenth centuries, Essaouira handled a majority of Morocco's entire Atlantic trade. After 1799 that trade was, in practice, run by the Jewish merchant families of the town. The interesting question is not how they managed it. It is why a sultan built a system that produced that result.
The port existed because Sultan Sidi Mohammed ben Abdallah decided it should. In the mid-1760s he commissioned a new fortified harbour on an empty stretch of the Atlantic coast, laid out to a plan by the French engineer Théodore Cornut. The aim was not to add a port to the ones Morocco already had. The aim was to replace them.
To make that work he closed the southern coast to European merchants and required the consuls stationed at Safi, Agadir and Rabat to relocate to Mogador, as Essaouira was then known. Anyone who wanted to trade with southern Morocco by sea now had one harbour in which to do it, and that harbour belonged to the crown. Concentration was the entire design: a single point of entry is also a single point of taxation, and a single point of control.
That left the question of who would actually conduct the trade. A Moroccan sultan in this period had reason to be careful with wealthy Muslim merchant houses, which came attached to regions, tribes and lineages, and which could convert commercial power into political weight. Jewish merchants had no such base. As dhimmi they held a protected but subordinate legal status: they commanded no troops, claimed no religious authority, and possessed no standing that did not originate, in the end, with the sultan himself. Their usefulness and their safety ran through the same channel.
So he appointed them. The title was tujjar as-sultan, the merchants of the sultan, and it functioned as an office rather than an honorific. It carried interest-free credit from the royal treasury, housing in the kasbah alongside the administration rather than in the ordinary town, monopoly rights over named exports, and exemptions from restrictions that applied to other Jews in Morocco. UNESCO's documentation on the medina states the mechanism directly: the sultan used this community to organise commercial activity and to conduct relations with Europe, and the title brought significant economic and political privileges with it.
The appointment worked because the capability was already there, and it was not something a sultan could have built from nothing. When Spain expelled its Jewish population in 1492 and Portugal followed in 1497, the families who left scattered along the trading coasts of the Mediterranean and the Atlantic — Livorno, Amsterdam, London, Marseille, Lisbon. Two centuries later that dispersal functioned as commercial infrastructure. Correspondence moved in Arabic, French, Spanish and Portuguese. Letters of credit drawn in Mogador were honoured by European houses. Most usefully, a family could station relatives at both ends of a transaction, which is what made a guarantee credible: a promise of payment to a house in Marseille was worth something because there was a brother in Marseille.
The sultan did not build that network. He hired it.
The final consolidation was nobody's plan. In 1799 plague reached the city. Most of the European trading agents left, and most did not come back. The Jewish merchants stayed, and absorbed the business the Europeans had been conducting. From that year the community's position in the port's foreign commerce stopped being dominant and became total.
It is tempting to read this as a story about commercial talent, or as a story about tolerance, and it is neither. It was a piece of state engineering. A ruler funnelled his country's sea trade into one harbour and handed the running of it to the group best equipped to do the work and least able to turn the work into a threat. Both sides took what they needed from the arrangement for roughly a century.
What the arrangement could not do was outlast the will that had created it. In 1807 a decree required the Jews of Essaouira to move into a separate quarter, the Mellah. The wealthiest merchant families were exempted and stayed where they were, which is an exact description of how the system worked: the position had been granted, so it could be edited. A century later the trade routes shifted north to Casablanca, and by the 1960s the families were gone.
The street where those merchants worked is still a market — vaulted, arcaded, stacked with goods, busy every day of the week. Nothing about it announces what it used to be. That is the reason the walk does not begin here, and arrives here instead.