A pink sky at the town of Vacoas after cyclone. Aerial view of one of the main residential towns in Mauritius. At night the whole town is illuminated and provides an amazing view. With a surface of more than 110 kilometer square, Vacoas has a population of more than 115,000 inhabitants called the Vacoassians. It is the second most crowded town in Mauritius and is found in the center of the island between the two other major cities of Curepipe and Quatre-Bornes.