Îlet Boisseau is located in Robert at the northeast of Îlet Madame, exactly 500 meters. This is one of the most distant islets of the Bay of Robert islets with Îlet Loup-Garou and Îlet Petit Piton . It is also one of the smallest (less than one hectare) islet. Îlet Boisseau has volcanic origin. Indeed, this is a massive set of casting andesite circumscribed on all sides by sharp cliffs, moderately high but very fragile.
Its maximum altitude is 25 meters. His particuliarity? It is a real paradise for birds. Îlet Boisseau is recognized as a strong bird instead of the Caribbean. Birds such as the Roseate Tern (Sterna Dougallii), a marine and migratory bird is present in the Bay of Robert and is particularly visible over the islet.
In addition to the Roseate Tern, several other bird species frequent this site. These include the bridled tern (Sterna anaethetus) and the Lesser Antillean bullfinch (Loxigilla noctis) in large numbers.
Îlet Boisseau is also home to a lizard subspecies (Anolis roquet roquet) endemic to Martinique. It is a protected species.
The mulberry tree (Maclura tinctoria) is a rare, endangered and protected plant species.
Due to the presence of protected fauna, this islet is off-limits to humans. In any case, access is very difficult, if not virtually impossible.
Access to this islet is very difficult. Indeed, Îlet Boisseau has neither a pebble cove nor a sandy cove, and with its steep cliffs, it offers few mooring possibilities. What's more, as it lies on the outer edge of Le Robert harbor and is not protected on its eastern side by reefs, the waves break quite violently against the cliffs.
Îlet Boisseau has no buildings and is of course uninhabited.
It is under special protection.
Îlet Boisseau belongs to the State and is managed by the Office Nationale des Forêts (O.N.F). It is protected by a Biotope Protection Order signed in 2002. It is strictly forbidden to climb, camp, picnic, make fires, introduce animals, take animal or plant species, carry out excavation work or fly over the site at a distance of less than 300 meters.