Kiu Tsui Beach is an official beach on Sharp Island, and as such, it typically has lifeguard services during designated swimming seasons, enhancing safety for visitors. The waters are generally suitable for swimming. However, always pay attention to any posted warnings or flags, especially concerning currents near the tombolo. It's a popular spot for families and general swimming.

The best time to visit Kiu Tsui Beach is during periods of good weather to fully appreciate its scenic beauty and enjoy swimming. To experience the famous tombolo, it's crucial to visit at low tide when the sandbar connecting Sharp Island to Kiu Tau (the small islet) is exposed. Checking tide times in advance will ensure you don't miss this unique natural phenomenon.

Kiu Tsui Beach is located on Sharp Island, requiring boat access. From Sai Kung Pier, visitors can take a kaito (small ferry) or hire a private sampan directly to Kiu Tsui Beach. The journey offers picturesque views of the Sai Kung coastline. It's advisable to confirm kaito schedules, especially for return trips, as they can vary throughout the day and by season.

As an island beach, Kiu Tsui Beach has limited facilities. There may be small kiosks selling basic refreshments and snacks during peak season, but it's recommended to bring your own food and drinks, especially if you plan a longer stay. There are no lodging options directly on Sharp Island. Visitors typically stay in Sai Kung Town or other parts of Hong Kong and visit as a day trip.

Kiu Tsui Beach is unique due to its proximity to the famous tombolo, a natural landform that emerges at low tide, connecting Sharp Island to a small islet called Kiu Tau. This allows visitors to walk across to explore volcanic rock scenery. Its combination of an official beach, scenic island views, and this geological wonder makes it a core Sai Kung day-trip stop and highly Instagrammable.