Tulum Ruins Public Sailing Tour Sailing days 9:30 am to 5:00 pm on Tuesday, Wednesday and Fridays. You board the largest catamaran along the Caribbean Coast. This is the best way to see the Tulum Ruins. When you near Tulum the boat will stop and all the passengers will have the ability to snorkel. There is nothing like seeing the ruins from the ocean. Lunch and snorkel gear will be provided for you on the boat, you will then tour the Tulum ruins with a profession guide and head back by bus.