Plan for getting there and back – Getting there and back you’ve got 2 options: road or sea. For road – either take a taxi direct to the Sai Wan Pavilion inside Sai Kung National park, or a bus to the entrance of the National Park (Sai Kung Country Park Visitor Centre – 45/60mins from Central) and then taxi from there to the pavilion (15mins). Must be a taxi as Ubers are not allowed in the park. Once there, it’s an hour walk down to the main beach of Ham Tim. For sea, take one of the speed boats from Sai Kung Public Pier, which you can reach in 45mins from Central. Takes around 30mins and HK$120 / US$15 per person. Can get a little bumpy as you get towards Tai Long Wan, but only for 10mins or so, and along the way you’ll see the UNESCO World Heritage rock formations that hug the coast. My suggestion is to take the taxi to the Sai Wan Pavilion, walk to Ham Tim as you pass by some of the small beaches and villages, chill out on the beach, walk over to the longer Tai Long Wan beach (just around the headland from Ham Tim), and then make your way back via speed boat to Sai Kung Town for some food in one of the seafront seafood restaurants
If looking for a bit more adventure when up in Tai Long Wan, the nearby rockpools are fun and the climb up to Sharp Peak (3 hours round trip) is well worth it for the views. I could write all day about Tai Long Wan, but won’t – instead, Sassy does a great summary here with all the details you need https://www.
Its obviously hard not to prioritise the classic highlights of Hong Kong, such as the Star Ferry, view from the Peak etc – and I’ve written a review for top tips on these here at 2 days for the famous highlights of Hong Kong – but if you’re looking for a tropical beach and fun adventure getting there, you won’t be disappointed in Tai Long Wan