Absolutely! Here are some tips for your trip to Casablanca, Marrakech, and Essaouira:

Best Time to Visit:
The best time to visit these Moroccan cities is Spring (March to May) and Autumn (September to November) when the weather is warm but not too hot.

Route and Accessibility:
All three cities are connected by train and road networks.
Casablanca has an international airport with flights from all major cities of the world. You can hire a car or take a train from Casablanca to Marrakech and Essaouira.

Altitude and Acclimatization:
These cities are located at sea level, so no serious acclimatization is required unless you plan to venture into the Atlas mountains.

Accommodation and Booking:
Booking accommodation ahead of time is highly recommended, though flexibility might allow for better deals. There are a variety of accommodations, from luxurious riads and hotels to budget hostels.

Clothing and Essentials:
Conservative clothing is recommended as Morocco is a Muslim country. Carry a sun hat, sunglasses and sunscreen lotion for daytime.

Health and Safety:
Ensure you have comprehensive travel insurance. Avoid tap water and consume only bottled or sterilized water. Try to stick to cooked food, rather than raw.

Local Etiquette and Respect:
Always ask for permission before taking photos of people. Learn a few basic phrases in Arabic, it will be appreciated. Respect Ramadan if you're travelling during this holy month, it means no eating, drinking or smoking in public during daylight hours.