If you travel to Cancun in Mexico, it is best to rent a car. Renting a car in Cancun will guarantee you safety, comfort and freedom on your trip. With a car you can move around all parts of the city quickly.
At the same time with a car you can visit other destinations and attractions that are well in Cancun or nearby, such as Cancun Beach, which stands out for its fine sands and crystal clear waters, from where you can go excursions and watch the whales in the Parque Nacional Marino Ballenas. You can also visit the Cancun or Santa Lucía waterfalls, or contemplate the wonders of the fauna of Mexico in the Oro Verde biosphere reserve.
Renting a car in Cancun avoids the inconvenience of traveling by public transport or by taxi. At the same time, a car will be very useful in an emergency or to transport your luggage or packages in case you go shopping.
To rent a car in Cancun you must be at least 25 years old, although it will depend on the agency where you rent your car, since some exceptions to this rule apply.
Cancun is a quiet city. The city is well signposted and drivers apply courtesy to the road. In the city there are a large number of companies where you can rent a car, several of them of an international nature that have a lot of prestige and are well known throughout the world, such as Hertz, Expidia, etc.
There are also several local car rental companies that have earned a well-deserved reputation and offer excellent service. So yes, it is safe to rent a car in Cancun.
However, you must have the elementary security measures as if you were renting the car in any other part of the world.