Absolutely! Here are some travel tips for your visit to Mar Del Plata, Buenos Aires, and Mendoza:

Best Time to Visit:
The ideal time to visit these Argentine cities is during their spring months from September to November, when the weather is pleasant. Avoid the peak vacation season of January and February in Mar Del Plata, as the beaches get quite crowded.

Route and Accessibility:
Buenos Aires has an international airport with regular flights. From there, you can take a flight to Mar Del Plata and Mendoza. Both cities also have good bus connectivity.

Altitude and Acclimatization:
Mar Del Plata and Buenos Aires are at low altitudes near sea level, so altitude acclimatization is not an issue. Mendoza is also at a manageable altitude of about 2,400 ft. However, if you're planning to explore the Andes nearby, take time to acclimatize and prevent altitude sickness.

Accommodation and Booking:
There are plenty of options from budget to luxury in all these cities. It's advisable to book in advance, especially during the peak tourist season.

Clothing and Essentials:
Pack according to the season of your visit. For spring, light clothing along with a jacket for cooler nights is suggested. Carry comfortable walking shoes for city tours and exploring vineyards in Mendoza.

Health and Safety:
Apart from the general precautions, ensure to drink plenty of water and protect yourself from the sun, especially in Mendoza. City areas are generally safe, but be mindful of your personal belongings.

Local Etiquette and Respect:
People in Argentina are known for their warmth. Speaking in Spanish is appreciated, albeit not necessary. Respect local customs and traditions, especially in public places and religious sites.