Every winter, female bull sharks gather off Playa del Carmen, many of them pregnant. Here is when the season runs, what the dive is like and what you need to join it.

The best Playa del Carmen dive sites sorted by level, with approximate depths and what you can see at each one, from shallow reefs to the Mama Viña wreck.

Which cenotes to dive from Playa del Carmen for your level, what each one is like underwater, cavern versus cave diving and which certification you need.