Isla Mujeres as a small community does not have big flashy discos or international type bars with large lounges. Nevertheless, people staying at the Island find charming evenings and active Nights mainly on the Northern Down Town area on and arround the Quinta Avenida Hidalgo Street towards the North End beaches.
This is the area where everybody gathers to see and be seen. Along Hidalgo street you will find nice and charming restaurants and bars with music going on as long as people are having fun. Most visitors will mingle together in a Caribbean Type Party with all sorts of rythms. When on the Island, you may find out which place will be featuring dancing for any specific night.
If you want extreeme party, take the last ferry boat to Cancun, have dinner when you arrive and go to one of the very reputed clubs in Cancun, where you will be dancing almost until Sun Up, and then take the first early boat crossing back to Isla Mujeres.