Capesterre-Belle-Eau is a commune in the French overseas region and department of Guadeloupe, in the Lesser Antilles. It is located in the south-east of Basse-Terre Island. Capesterre-Belle-Eau covers an area of 103.3 km² (39.884 sq mi). The 1999 population was 19,568. The population density is 189 persons per km2. The inhabitants are called Capesterriens.