Sumidero Canyon is situated near Tuxtla Gutierrez. First you have to reach Chiapa de Corzo, which is the starting point of the majority of the tours. You can also take a long distance bus from Mexico City to Tuxtla Gutierrez. daily
Reserva de la Biósphera Sian Ka’an
Road 307 (Chetumal-Cancun) to Muyil Mayan ruins, then follow the jungle path to access a beach with boats.