Kiu Tsui Beach is a gazetted beach located facing Inner Port Shelter in the western side of Sharp Island, Sai Kung District, Hong Kong.

The beach has barbecue pits and is managed by the Leisure and Cultural Services Department of the Hong Kong Government.

[1] The beach is 85 metres long and is rated as good to fair by the Environmental Protection Department for its water quality in the past twenty years.

In September 2018, the beach had to be temporarily closed due to the sewage being leaked into the sea near the beach from the Sai Kung Sewage Treatment Works.

The beach is also accessible by kai-to from Sai Kung Public Pier and is a nice beach in Hong Kong in terms of water quality and scenic environment.