The Hassan II Mosque is worth seeing if you have half a day in Casablanca. The scale is genuinely impressive – it sits right on the Atlantic with a huge minaret and a prayer hall that can hold 25,000 people. Non-Muslims can only enter on guided tours. Expect to spend about an hour inside: you'll walk through vast spaces with detailed marble, mosaics, and woodwork while the guide explains the architecture. The retractable roof is clever but they rarely open it during visits. It's clean, well-run, and feels more like a working landmark than a tourist trap, though crowds can make parts feel busy.
Best time to go is spring or autumn when it's cooler and less humid. Morning tours tend to have better light and fewer large groups. Expect to pay around 140-200 MAD for a standard guided ticket; private or combined city tours push closer to 400-600 MAD per person. Dress modestly – knees and shoulders covered, no shorts or tank tops. Women don't need a headscarf inside the mosque itself.
Tip: stick with the mosque-only visit unless you really want a full Casablanca city tour; the latter often rushes the other sights. Skip the on-site cafe – it's overpriced and average. Book tickets a day or two ahead in peak season so you don't waste time in the queue.
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