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Speedboat anchored in turquoise waters near rocky Similan Islands

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Koh Similan (Island No. 8)

Koh Similan is the largest island in the archipelago and home to the park's most famous landmark.

Photo: tour listing on Viator

Most speedboat and catamaran tours stop here so visitors can walk the beach or hike to the viewpoint. You usually spend an hour on the island during a full-day trip.

Catamaran boat anchored in turquoise water near Similan Islands
Photo: tour listing on Viator
01

Sailing Rock (Hin Ruea Bai)

20-30 minsSteep trail

This massive sail-shaped granite boulder overlooks Donald Duck Bay. It is the most photographed spot in the national park. Wear proper walking shoes to climb the trail. The rocks and wooden stairs are often steep and slippery.

Sea turtle swimming underwater in the clear ocean
Photo: tour listing on Viator
02

Donald Duck Bay

1 hourHeavy crowds

This bay features clean white sand and clear turquoise water. It takes its name from a rock formation resembling the cartoon character. This is a primary mooring point for group speedboats. You can swim here, but expect large crowds during peak hours.

Tour with more time on Island 8

Catamaran boat anchored in clear water near rocky island coast
Similan Islands Luxury Catamaran Day Tour (Phuket / Khao Lak)14 h 4.7 (79)from $161
luxury catamaran day tourfrom $161 on Viator
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