Rodrigues is a volcanic island rising from a ridge along the edge of the Mascarene Plateau. The tectonically active Rodrigues Triple Point lies on the sea-floor nearby. Rodrigues is only 1.5 million years old, even if the plateau under the lagoon surrounding Rodrigues may be much more ancient than the island. Over time Rodrigues has developed a unique environment, including many endemic species.

The uninhabited island was named after the Portuguese explorer Diogo Rodrigues in February 1528. Many maps also describe it as Diego Roiz. From the 10th century, Arabs have been known to visit the Mascarene Islands. A 12th-century map by the Arab geographer Ash-Sharif al-Idrisi supposedly contains them, and the Cantino planisphere of c. 1500 and some other contemporary maps clearly show the three islands of the Mascarenes as Dina Arobi (or Harobi), Dina Margabin and Dina Moraze. These are apparently corrupted transliterations or transcriptions of the Arabic ديفا هاراب Diva Harab ("Desert Island"), ديفا مغربين Diva Maghrebin ("Western Island") and ديفا ماشريق Diva Mashriq ("Eastern Island"). While the second clearly refers to Réunion, sources disagree about which of the other is Mauritius and which one Rodrigues, which are both to the east of Réunion and arranged in a somewhat stylised way on these maps. However, even in its original state, Rodrigues had some karst, while Mauritius even after suffering 500 years of deforestation can by no means be called "desert" even in a colloquial sense.

When someday comes you'll need to get in.

When someday comes you'll need to be able to get around.