Original: Cozumel ( Mayan : Island of the Swallows ) ( Kùutsmil in Modern Maya ) is an island in the Caribbean Sea off the eastern coast of Mexico 's Yucatan Peninsula , opposite the Playa del Carmen , and close to the Yucatan Channel .
Simplified: Cozumel ( Mayan : Island of the Swallows ) is an island in the Caribbean Sea off the eastern coast of Mexico 's Yucatán Peninsula , opposite Playa del Carmen .