Cenotes Mexico Overview: Underground Water Wonders & Geological Marvels By Travel Tourister | Updated june 2026 Quick Answer: Mexico’s 100+ cenotes (underground sinkholes/caves, geological formations unique Yucatan Peninsula) span OPEN-AIR CENOTES (Gran Cenote, Cenote Ik Kil, Casa Cenote accessible swimming/snorkeling above-ground, $15-40 entry typical), UNDERGROUND CAVERN CENOTES (stunning limestone ceiling formations, limited natural light, Cenote … Continue reading Cenotes Mexico Complete Guide 2026: Swimming, Diving, Exploration