Allie's Mom is right -- there are so many things to do here on the island that we couldn't cover all of them in a post.
One of the other things we like about cozumelinsider is their beach chart. All of the information you will need on every beach on the island as well as separate information pages and pictures. We have printed that section out and give it to our visiting family and friends when they come to visit.
Also some excellent information on the history of the island as well as Cozumel news in English on this site.
Even though we live here, we check it out every week to see what's new.