1. Grand Cenote, also known as Gran Cenote, is a popular tourist site located in Tulum, Mexico. It is part of a larger network of underwater caves and sinkholes, or cenotes, that are found throughout the Yucatan Peninsula. The cenote is known for its clear blue waters that attract visitors for snorkeling and scuba diving. Visitors can swim alongside turtles, fish, and other marine life. The site also boasts stalactites and stalagmites that can be explored by snorkeling or diving.

2. Grand Cenote is open every day from 8am to 5pm. The phone number for the site is +52 1 984 114 2177.

3. The entrance fee for Grand Cenote is 180 Mexican pesos (approximately $9 USD) per person. Visitors can rent snorkeling equipment on site for an additional fee. Transportation to Grand Cenote can be arranged through local tour companies or by renting a car. It is located about 10 minutes from Tulum town and approximately 2 hours from Cancun.