The only urban center in Cozumel is San Miguel de Cozumel, a city of about 77,000 residents. Many of the hotels, restaurants, beaches and attractions are within walking distance from here.

The best time to visit Cozumel is from March to June, when the island enjoys daytime highs around 90 degrees Fahrenheit and nighttime temperatures in the mid-70s. Winters can be slightly cooler ...