In article . com,
wrote:

4.Cozumel: is it enough time (9 hours) to get to Tulum? how is with
ferrys? How did You spend Your day in Cozumel? I really would like to
see ruins in Tulum, but we afraid it is too complicated?

Tulum is worth doing. Take a ship's excursion and it won't be
complicated as they take you there and back. When you get back stop at
Carlos and Charlies for a drink.

--
Charles