Jensen Beach, Florida off in order to protect the nests of the sea turtles. The three species found on this beach are the loggerhead, leatherback turtle and green sea turtle. Loggerhead nests are the most common type found on this and adjacent beaches. Locations of the sea turtles' nests are marked with the approximate date in which the eggs were laid and the expected date in which the eggs will hatch. These notifications are meant to discourage tourists and residents from visiting the beach in the evening hours during these time periods. Efforts are made to protect both species of sea turtles since
Loggerhead Key done to provide the monkeys a place to breed, to supply the animals for medical research laboratory experiments. Around 1,322 of the monkeys existed on the island between 1987–1990. The Dry Tortugas Light is a lighthouse located on Loggerhead Key. It began operations in 1858 and was decommissioned in 2014. The Carnegie Marine Biological Laboratory, also referred to as the Tortugas Laboratory, was a marine biology laboratory and research facility constructed on the northern end of Loggerhead Key that operated from 1904 to 1939. It was constructed and operated by the Carnegie Institution of Washington. The Carnegie Marine Biological Laboratory