Before the granite foundations of the Peninsula Hotel rose to claim the skyline of Tsim Sha Tsui, and long before the Star Ferry terminal became a rhythmic pulse of commuter life, Kowloon Point was a place of salt-crusted mudflats and quiet, watchful tension. Here, where the deep blue of Victoria Harbour met the red clay of the peninsula, ran an invisible, watery frontier. To stand at the tip of Tsim Sha Tsui in the late nineteenth century was to stand on the very edge of empires.

Following the 1860 Treaty of Beijing, the British held the tip of the Kowloon Peninsula up to Boundary Street. Yet, the waters surrounding it remained a complex, jurisdictional labyrinth. To curb the rampant smuggling of opium, salt, and silk that bled revenue from the imperial treasury, the Chinese Imperial Maritime Customs (CIMC)—under the administration of the Inspector General, Sir Robert Hart—established the Kowloon Customs District in April 1887. This administrative move effectively placed a ring of Chinese customs stations around the British colony, a strategy local merchants bitterly referred to as the "Blockade of Hong Kong."

From the archival ledgers preserved in the Yellow Books of the Chinese Maritime Customs, we reconstruct the daily life of the Kowloon Point station. It was not a grand stone edifice, but a functional, highly organized outpost of the Qing Empire, operating right under the shadow of British authority. Here, Western commissioners employed by the Chinese Emperor worked alongside Chinese writers, linguists, and tide-waiters. Their eyes were constantly trained on the junk traffic navigating the Lyemun Pass and the Kap Sing Channel.

The archives paint a picture of constant, low-boiling friction. British steam launches, swift and arrogant, darted from the piers of Central, carrying merchants who viewed the Qing customs cruisers as an intolerable impediment to free trade. Meanwhile, the Qing revenue cruisers—vessels like the *Fei Hoo* and the *Likin*—lay low in the water near the point, their steam engines idling, ready to intercept any vessel suspected of carrying contraband.

Salt was a state monopoly of the Qing Dynasty, and its illegal transport was treated with the utmost gravity. The archives record numerous midnight chases through the misty channels of the harbor. A typical entry from 1892 describes a wooden junk, laden with white salt from the pans of Kwangtung, attempting to slip past Kowloon Point under the cover of a summer squall. A Qing customs gig, manned by Chinese sailors under the command of a foreign tide-surveyor, pulled hard through the chop, lanterns shuttered, to board the vessel before it could reach the safety of British waters.

The relationship between the British authorities in Victoria and the Qing customs officers at Kowloon Point was one of polite hostility. They shared dinners in the colony, yet on the water, they played a relentless game of chess. British officials complained of "encroachment" on colonial waters, while the Qing customs officers pointed to the treaties that guaranteed their right to collect duties on Chinese trade. It was a watery borderland where sovereignty was defined by the reach of a searchlight and the speed of a steam launch.

This delicate balance shattered in 1898 with the signing of the Convention for the Extension of Hong Kong Territory. The lease of the New Territories pushed the British border north to the Shenzhen River. The Kowloon Point customs station, suddenly stranded deep within leased British territory, was dismantled. By October 1899, the yellow dragon flag was lowered for the last time at Tsim Sha Tsui, and the customs line retreated north.

Today, as the modern ferries glide past the cultural center, the memory of this watery border has faded into the silt of Victoria Harbour. Yet, in the quiet reading rooms of the archives, the ink on the old customs ledgers remains dark, testifying to a time when Kowloon Point was not a tourist promenade, but a heavily guarded gate between two worlds.