South Horizons is a large-scale private residential estate located in Ap Lei Chau, Hong Kong. Developed by Hutchison Whampoa, Cheung Kong Holdings, and Hongkong Electric, it was completed in four phases between 1991 and 1995. The estate consists of 34 residential towers, offering a total of 9,812 units. The apartments range in size from 513 to 1,338 square feet, catering to various family needs. South Horizons features a clubhouse, outdoor swimming pools, landscaped gardens, children's play areas, and multiple sports and entertainment facilities.

Additionally, the estate is home to South Horizons Plaza, a shopping mall with retail stores, restaurants, and essential services. A pedestrian bridge connects the estate to South Horizons MTR Station on the Island Line, ensuring convenient transportation access.