Two Peninsulas Pointing at Cuba: Florida and Yucatán

Florida Peninsula (USA) – extends south into Gulf of Mexico/Straits of Florida.

Yucatán Peninsula (Mexico) – separates Gulf from Caribbean; states: Yucatán, Quintana Roo, Campeche.

The Yucatán Channel (217 km wide) runs between them. Both frame the Gulf’s eastern exit.