Coordinates: 22°30′N 89°0′W / 22.500°N 89.000°W
Campeche Bank is part of the Gulf of Mexico and extends from the Yucatan Straits in the east to the Tabasco-Campeche Basin in the west.
Among the reefs with islets on Campeche Bank are Cayos Arcas in the southwest and Arrecife Alacran in the north.