Find the best experiences on the most beautiful beaches in Tulum and visit the ruins. Experience contact with nature on the route of the cenotes. Grand Cenote are the most popular tourist attraction in Tulum, apart from Tulum Beach, and not to be missed during your visit. A cenote is, it’s basically a natural sinkhole filled with fresh groundwater which is typically a vibrant blue or crystalline color due to the surrounding limestone rocks. Some of the best adventures to be had, which I highly recommend adding to your list of what to do in Tulum, is visiting as many cenotes as you can, and the Grand Cenote should be at the top of your list. You will also be able to experience the beautiful beach of Xcacel.