There is a place in Cancun that catters to all you wakeboarders out there in the middle of a lagoon.
$25 USD for 15 minutes or $100 for 5 X 15 min sessions (call Scott for more package prices)
He can also give you professional instruction for pro levels in wakeboarding and barefoot.
There is a myth that this lagoon is filled with crocs, so make sure you don't fall...what a great way to perfect your skills...
Playa del Carmen offers all kinds of watersports. Go parachuting, rent jetskis, join a catamaran, go on a snorkeltrip, learn scubadiving and so on and so on. All along the beach, and all over town, people are offering trips. Some are more experienced than others, and prices may vary too, so check out the different places.