While the vast majority of tourists go to Isla Mujeres, locals prefer to visit the more quiet Isla Holbox for every day or two. The island is surrounded by blue waters as well as the shallow lagoon separating it from the mainland attracts migrating flamingos, pelicans and whale sharks (from https://usavacationspots19875.59bloggers.com/28975429/what-does-best-places-in-mexico-mean