Capesterre-Belle-Eau is a commune located in the French overseas region and department of Guadeloupe, situated within the Lesser Antilles. It is positioned in the southeastern part of Basse-Terre Island.
The commune covers a total area of 103.3 km2. As of 2023, it had a population of 17,684 residents, resulting in a population density of 172 persons per km2. The inhabitants of the commune are known as Capesterriens.