Vila franca islet a protected nature reserve in the azores
Vila Franca Islet (Portuguese: Ilhéu de Vila Franca) is a vegetated uninhabited islet located off the south-central coast of the island of São Miguel in the Portuguese archipelago of the Azores. The entire islet and surrounding waters constitute a protected nature reserve, while remaining a popular destination for swimming and cliff diving.
The semicircular islet measures approximately 5 hectares (12 acres) or 6 hectares (15 acres) in area. The volcanic cone's crater is open to the sea and filled with water. Known locally as Boquete,this circular crater measures about 150 metres (490 ft) in diameter, with a maximum water depth of approximately 20 metres (66 ft). Due to the islet's protected status, only 400 total visitors may land there per day.