You can find information about Playa del Carmen here:

http://en.wikipedia.org/wiki/Playa_del_Carmen

Tourism and cultural information here:

http://wikitravel.org/en/Playa_del_Carmen

And here:

http://www.pdelcarmen.com.mx/espanol/cover.htm

Airport

Nearest airport here:

http://www.cancun-airport.com/