It extends from the Sierra Maestra in the east to the Misteriosa Bank and Rosario Bank in the west, a distance of about 1,500 km (930 mi).

[1] The ridge formed as an island arc when the Cayman Trough was the site of a subduction zone during the Paleocene and Eocene epochs.

As the dynamics of the area changed, the subduction zone became a transform fault zone with a pull-apart basin during which time volcanism had dwindled along the entire length of the arc.

The Cayman Ridge is now an inactive volcanic zone.

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