1. Casa Cenote is a unique cenote located in the Tulum area of Mexico. It is a semi-open cenote that is connected to the ocean, which gives it a unique mix of saltwater and freshwater. The water is crystal clear and is perfect for swimming, snorkeling, and diving. The cenote is surrounded by lush jungle greenery and has a wooden boardwalk that runs through it.

2. The working hours of Casa Cenote vary throughout the year, but it is generally open from 8:00 am to 5:00 pm. There is no phone number available for Casa Cenote.

3. There is an entrance fee of around $10 per person to enter Casa Cenote, which includes access to the boardwalk and swimming areas. Snorkeling and diving gear can be rented on-site. There are several transportation options available to get to Casa Cenote, including taxi, rental car, or organized tour. It is located approximately 10 minutes north of Tulum on the main highway towards Playa del Carmen.