These lists of Mexico's longest and deepest caves and the deepest pits in Mexican caves are maintained by Mark Minton. Send updates and corrections to him at firstname.lastname@example.org.
Long Caves of Mexico (at least 1.5 km, PDF)
Deep Caves of Mexico (at least 200 m, PDF)
Deep Pits of Mexico (at least 100 meters, PDF)
Summary of top 50 of each (PDF)