Ask what there is to do in Casablanca-Settat and the honest answer splits in two: a working port city that rewards a day or two of focused sightseeing, and a coastline stretching south that most visitors never plan for because nobody told them it existed. The mosque that makes the trip worth it The Hassan II Mosque anchors any list of activities here, and for good reason: a 210-meter minaret, one of the tallest in the world, rising straight out of the Atlantic on a rocky platform built to hold it.