Integrated into the UNESCO World Network of Biosphere Reserves since 2007 due to its unique environmental, heritage, and cultural characteristics, Graciosa Island boasts a diverse volcanic heritage that includes volcanic cavities, lava caves, and sinkholes. It also holds a highly relevant architectural heritage, featuring churches, chapels, rural houses, the peculiar “water architecture,” and the characteristic windmills with red domes inspired by Flemish architecture.

With an accessible coastline known for its particularly beautiful seabed, Graciosa Island is renowned as “the diving capital of the Azores.”