Cozumel is an island and municipality in the Caribbean Sea off the eastern coast of Mexico's Yucatán Peninsula, opposite Playa del Carmen. It is separated from the mainland by the Cozumel Channel and is close to the Yucatán Channel. The municipality is part of the state of Quintana Roo, Mexico.

Quintana Roo is a state in southeast Mexico established out of the Quintana Roo Territory in 1974 with seven municipalities, which has since grown into eleven municipalities. According to the 2020 Mexican census, it has the twenty-fourth largest population of all states with 1,857,985 inhabitants and is the 19th largest by land area spanning 44,705.2 square kilometres (17,260.8 sq mi).