The Coastal Region encompasses South Africa's most prestigious wine-producing areas, stretching along the southwestern coast near Cape Town. This broad wine region includes several distinguished districts and wards, most notably Stellenbosch, Paarl, and Constantia. The region benefits from its proximity to both the Atlantic and Indian Oceans, which provide moderating maritime influences crucial for quality viticulture in this otherwise warm climate.

The Mediterranean climate features warm, dry summers and mild, wet winters, with significant diurnal temperature variation that helps preserve acidity in the grapes. The diverse terroir ranges from granite-based soils in Stellenbosch to the red soils of Paarl and the decomposed granite of Constantia's mountain slopes. Constantia, positioned on the slopes of Table Mountain, holds particular historical significance as one of the world's oldest wine regions outside of Europe, with vineyards established in the 1680s.

The region supports a wide array of grape varieties, from Cabernet Sauvignon and Pinotage to Chenin Blanc and Sauvignon Blanc. Constantia has earned special recognition for its dessert wines, particularly those made from Muscat varieties, which benefit from the area's unique microclimate created by the meeting of warm and cool air currents from False Bay and the Atlantic Ocean. These sweet wines represent a continuation of a winemaking tradition that dates back centuries and once made Constantia wines among the most sought-after in Europe.