Considering the Riad Casa Lila in Essaouira?
A VT member wrote the following comment about visiting Essaouira:
The purpuraire islands by JLBG
On these islands was extracted from a marine mollusk, the murex, the purple dye extensively used by the roman on their luxury clothes. This is why they were called "purpuraire" islands. For a long time, production of purple made the wealth of Essaouira.