sentences:  The phrase, "Damn the torpedoes, full speed ahead," was supposedly spoken by U. S. Admiral David Farragut just a few hundred yards from Dauphin Island's shore.The first Sand Island Light, authorized in 1834, was replaced by a structure high, at a cost of $35,000, that was destroyed by Confederate forces.The present lighthouse (1873; in use until 1970), has been placed on the National Register of Historic Places.