Isla de Maipo can be found in the Chilean Central Valley approximately 40 km (25 mi) southwest of the metropolitan area of Santiago and about 12 km (7 mi) from the city of Talagante. The commune spans an area of 125.5 km² (48 sq mi). In general, the commune is characterized as predominantly rural, which is reflected in its landscape of colonial houses, cultivated farms, vineyards, natural sites and the predominance of agricultural activities, which is carried out by the majority of its population. The Maipo River is the most important in the whole metropolitan area, because it supports the highest population density in Chile and is also the main stream which irrigates the area.

Isla de Maipo is an agricultural community, primarily devoted to growing vines and other fruits typical of Mediterranean climate, such as lemons, avocados and apples. ¨The most important wineries in the town are De Martino (Santa Inés), Canepa, Viña Tarapacá, Santa Ema and Terramater. Also, there are other small companies that produce wine for bigger wineries. However, one of the most important problems in Isla de Maipo is still the unemployment and the small number of qualified jobs.

One of its traditions is the Fiesta de La Virgen de La Merced. This feast is celebrated the last Sunday of September each year and attracts more than 80,000 pilgrims from all parts of the region, across the country and abroad. Also,La Fiesta de la Vendimia (Grape harvest feast) is celebrated every year, calling together local inhabitants and foreign tourists. The festival allows tourists to familiarize themselves with the culinary art of the commune, especially the high quality of its wines. The Plaza de Armas is converted into a large dining room, where one can hear folk and other varieties of music.

According to the 2002 census of the National Statistics Institute, Isla de Maipo had 25,798 inhabitants (13,095 men and 12,703 women). Of these, 18,865 (73.1%) lived in urban areas and 6,933 (26.9%) in rural areas. The population grew by 26.8% (5,454 persons) between the 1992 and 2002 censuses.

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