Half Moon Bay is a brilliant, golden sand beach on a grassy island near Sai Kung Town. It's one of the many small beaches among dozens of small islands near Sai Kung that are popular and easy to reach. Bunn's Divers Institute (38-40 Yee Woo St., Causeway Bay. 2574-7951) runs outings for qualified divers to areas like Sai Kung. The cost of a day trip runs HK$700 and includes two sessions, one in the morning and another in the afternoon. Bring your own lunch.
Sampans to Half Moon depart from the Sai Kung waterfront, beside the bus station. If you're sharing a sampan with other passengers, remember the color of the flag on the roof: that's the color you need for your return ferry. Shared sampans cost HK$40. To cruise around the harbor, rent a kaido (pronounced "guy-doe," one of the small boats run by private operators for about HK$130 round-trip), and stop at tiny Yim Tin Tsai Island, which has a rustic Catholic mission church built in 1890. From Central, take MTR to Choi Hung, then green Minibus 1A to Sai Kung Town.
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