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The best anchorage is on the North side in 15 to 20 metres being sure not to anchor on the coral. It is possible to enter the hong by dinghy over the shallow bar at high tide and explore the lagoon, which at 200 metres across is one of the largest in the area. If there is not enough water to enter and leave the hong by dinghy you will need strong shoes, as the rocks are sharp with many sea urchins. On the Southeast side of the island is a pretty bay with good snorkelling suitable overnight in the either season in calm conditions only. Beware of the fringing reef that comes up suddenly as you approach the beach and can be exposed at low water. Lots of mooring buoys have been laid but the ones closer to the beach are very close to the reef and are not suitable for yachts. Anchor a good distance offshore in 15 metres to avoid damaging the reef. There is a National park ranger station ashore and you will be asked for the 200 baht per person park entry fee.