I had the same issue when i was told by my travel agent that the hotel did not provide transfers. i had remembered reading that the transfers were included in the room rates so i called secrets directly and they confirmed this. they said all i had to do was call before my trip and provide them with my flight information and they would arrange someone to pick us up at the airport. though, i have read some people say they did this and were left high and dry at the airport, but this was when the hotel first opened. i'm going in the middle of january so i guess i'll find out.
the phone number can be found on the brochure, at
it's 1-866-GO SECRETS