Phantom islands are islands that are believed to exist and appear on maps for a period of time (sometimes centuries), and they are removed after they are proven not to exist (or the general population stops believing that they exist).
... There are 1,784 housing units at an average density of 485.1/km² (1,260.4/mi²). The racial makeup of the town is 95.82% White, 0.50% African American, 0.04% ...