This idyllic mariner park occupies an area of 130 square kilometres in the Andaman Sea. The Similan Archipelago consists of nine islands. It is highly blessed with both surface and underwater beautiful scenery. The best time for diving and angling is from December to April. Chartered boats are available at Thap Lamu , Amphoe Takua Pa, but it is more economical for a tourist to join from Phuket. Boat trips to the island take about three hours.