Goat Island is connected to an island by a bridge.
Goat Island (New York) . Goat Island is connected to the U.S. mainland by two bridges carrying foot , car , and trackless train traffic , and to the smaller Luna Island ( adjacent to the American Falls ) by a pedestrian bridge . Luna Island is a very small uninhabited island in the Niagara River , located in the U. S. state of New York .