Hac Sa Beach is located on the southern coast of Macau, known for its unique black sand, which is a result of the area's volcanic rock. The beach stretches for about 1.5 kilometers and is surrounded by lush greenery, making it a picturesque spot for visitors. It is a popular destination for both locals and tourists, offering various recreational activities such as swimming, sunbathing, and picnicking. The beach is part of Hac Sa Reservoir Country Park, which provides facilities like restrooms, showers, and food stalls. Additionally, Hac Sa Beach is well-connected by public transport, making it easily accessible for those looking to enjoy a day by the sea.