The name Cadillac Square Park comes from the fact that this was the site of the home of M. de La Mothe de Cadillac when he was appointed as the new Governor of the Louisiana Territory. Cadillac, who founded the city of Detroit in 1701, moved to Dauphin Island in 1713 along with his wife, son and daughters. The park provides picnic tables and bathrooms for the general public. It is also a central location for access to the island-long Bike Path.

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