opinion of a TripAdvisor member and not of TripAdvisor LLC Meander48 League City, Texas Contributor 12 reviews Reviews in 5 cities 9 helpful votes "WOW! What a great visit!" Reviewed 7 November 2012 We took the ADO bus to Gran Cenote from Tulum-cost about 36 pesos for both of us--Very comfortable air-conditioned tour bus. You can get a round trip ticket-but we did not. We ended up taking a taxi back to Tulum and it cost about 100 pesos. Definitely should have gotten the round trip ticket. Arrived early afternoon. It costs 10 pesos each to get in. Bring your own breather thingy!--but they do have life jackets; breather thingys and masks for rent. I bought my mask and tube at the local grocery store for about $100 pesos- i believe. The water was wonderful; the views were awesome. The snorkling was great. It was not too crowded when we arrived, but it did get a little crowded later. Need to be careful about running into other snorklers. There were also scuba divers there as well. It was neat to be snorkling on top of the water and look at the scuba divers so far below with their lights. I was able to see alot of rock formations b/c I was tagging along with the divers who were using lights. It was very easy to get into the water-there were various entrances. The under water caverns were a sight to behold. I can imagine during the high season that this