St. Matthew Island (phantom island) and H.C. Adams (1883) suggest that the error may have arisen from a confusion with Annobón Island, which lies at the same latitude but at 5°38′E longitude. St. Matthew Island (phantom island) St Matthew Island is a phantom island once thought to lie roughly one thousand kilometers northeast of Ascension Island in the Atlantic Ocean. It appeared on navigational charts until as late as the early twentieth century. It was supposedly located at approximately 2°S 8°W, and was alleged to have been discovered by the Portuguese on St. Matthew's Day 1516. It was shown and named on several maps going
Figure Eight Island is located just north of Wrightsville Beach and Wilmington. The island has an area of , most of which is marshland. Between the northernmost part of Figure Eight and Lea-Hutaff Island lies Rich Inlet, one of the few natural inlets in North Carolina. To the south, between the island and Wrightsville Beach, lies Mason Inlet. The former is a stable inlet, while the latter is migratory. Due to the island's proximity to the warm waters of the Gulf Stream, the ocean temperatures off of Figure Eight are comparable to destinations much further south and considerably warmer than the ocean off