The Desertas Islands are a small archipelago in the Atlantic Ocean, part of the larger Portuguese Madeira Archipelago.
The archipelago is located off the coast of Morocco. Deserta Grande Island is located about 25 kilometres southeast of the eastern tip of Madeira Island, Ponta de São Lourenço.
Wikipedia https://en.wikipedia.org/wiki/Desertas_Islands
Address 9100, Portugal
Coordinates 32°29'17.746" N -16°29'40.193" E