Ilha das Cobras (Portuguese for "Isle of the Snakes")), one of many Snake Island around world, is an island located within Guanabara Bay in the city and state of Rio de Janeiro, Brazil It is east of the neighborhood Guanabara. It is home to the Arsenal de Marinha do Rio de Janeiro base of the Brazilian Navy.
Coordinates: 22°53′42″S 43°10′20″W / 22.89500°S 43.17222°W