Coney Island (), also Innisdadrom, is an island and townland in the estuary of the River Fergus in County Clare, Ireland. The island was named for its abundance of rabbits (coneys).
Coney Island lies in the centre of the River Fergus estuary. In 1837, it was measured at 226 acres. Nearby islands include Deer Island, Feenish and Trummer.
Coney Island has two sets of church ruins. The older church was founded by Saint Brendan in 550.
In 1837 there were ten families living on the island, the population peaked at 145 in 1841. The island has been uninhabited since 1986.