Simplify the following text for a Grade 9 native English-speaking person.
Original: Santa Maria , Portuguese for Saint Mary , is an island located in the eastern group of the Azores archipelago ( south of the island of SÃ # o Miguel ) and the southernmost island in the Azores .
Simplified: The island of Santa Maria ( Portuguese for Saint Mary ) is an island located in the southeastern part of the Azores and is the southernmost island in the Azores Islands . It was the first island in the Azores Archipelago to be discovered .