Just book your tour when you get there. The Xcaret tours are really just transportation to the park...so you could ride the ADO public bus right...
I have noticed that the Gran Esmeralda Resort north of Playa is advertising heavily that they are only "1KM from Tres Rios Aquatic Park". Isn't...
Just got back yesterday and it was actually very very warm for the last two weeks. Even in the rain it was hot. I was at the Marriott and the...