[2][3][4] At times the key has been substantial enough to have trees, and in 1900 nine to twelve thousand terns nested on the island.

[5] The light marks the southernmost point of the Hawk Channel passage along the Florida Keys.

Funds ran out before the foundation was complete, and the contractor had to wait seven years for final payment.

[5] The screw-pile foundation and open framework tower allowed the lighthouse to survive later hurricanes, including one in 1856 that completely washed away all of the island above water.

The tower was severely damaged in a fire in 1989, and the light was moved to a nearby temporary structure.