The islets of Petite-Terre, two uninhabited islands called Terre-de-Haut and Terre-de-Bas, are classified as a nature reserve under the protection of the French forestry commission. On Terre-de-Bas, visit the lighthouse turned into a museum of flora and fauna. Terre-de-Haut is prohibited to the public. Surrounded by a coral reef, the islets are inhabited only by iguanas and migratory birds; the beaches are a popular spawning ground for green and hawksbill sea turtles.