Centro Ecologico Akumal (CEA) - non-profit organization that studies the health of the regional environment (strong focus on protecting the sea turtles in the area - adopt a turtle programs available)
Recommended Products:
Mexitan Sunscreen Lotion - all natural biodegradable lotion to help protect reefs and eco system (required at Yal-Ku Lagoon)
Can-Do Maps - some of the best maps for those seeking to conduct their own adventures and tours
Information Web Sites:
Playa Info - site/forums with information focused primarily on things to do in and around Playa del Carmen
Tulum Info - forums with information focused primarily on things to do in and around Tulum
Riviera Maya - great for researching travel and tourism is the Riviera Maya
Sac-Be - regularly updated travel guide with advice on things to do in the area
Yucatan Living - information on culture and life in the Yucatan