Po Pin Chau, also known as High Island, is a captivating sea stack near Sai Kung. Access is challenging, primarily by boat or kayak, making it unsuitable for those with mobility issues. Solo visits are possible for experienced kayakers, but guided tours are recommended for safety and local knowledge. Sea conditions can be rough, so visits are weather-dependent, with calmer conditions typically in spring and autumn. A boat tour might cost around $50-$100 USD per person. A typical visit, including travel time from Sai Kung, can last 3-5 hours. Check weather forecasts and tour availability in advance.