Anchor anywhere in 6-8 metres on a sandy bottom in the northeast season only.
Ao Son has a long all-tide beach where a few remaining sea turtles nest from November to March. The maze of mangrove channels at the southern end of the bay is ideal for dinghy or canoe exploration.
Look for the beginning of the trail to Niwon Waterfall about half a kilometre south along the beach. A 4-kilometre track leads to a small waterfall with a pool big enough to bathe in. Toilets and a freshwater stream are found near the ranger station at the north end of the beach.