May Isle, also known as May Island, is a small, uninhabited island located in the Firth of Forth in Scotland. It is part of the East Lothian council area and is approximately 1.5 miles long. The island is known for its rich wildlife, particularly seabirds, and is a designated nature reserve. The island's landscape features rocky cliffs and grassy areas, making it a popular spot for birdwatching. May Isle is also home to the historic May Isle Lighthouse, which was built in the 19th century. Access to the island is typically by boat, as there are no permanent residents or facilities.