 Falkner Island Light is the second oldest extant lighthouse in Connecticut and was listed on the National Register of Historic Places on May 29, 1990.The Town of Guilford proclaimed that September 7, 2002, would be "Faulkner's Island Light Day" to honor the 200th birthday of the lighthouse.Falkner Island Light is home to one of the world's largest breeding colonies of the endangered roseate tern; the nesting season is May through August.