Island in mexico.there os so many things tp do in cozumel.if you are a dive lover then this place is best for you.also its famous for its snorkeling and all kind of water excursion.also cozumel is famous for beaches as well.so many beaches are there one of them is paradise beach which is really awesome.not only that cozumel is famous for mayan civilization.so kind of ancient touch also you will find there.the local mexican cuisines are also very famous over here.and last but not the least as you are in mexico dont forget to try the tequilla and corona.its a nice place for shopping as well