Most of the young back-packers head out from Ao Nang Beach to the diving and snorkeling sites in Krabi Province.
The Hat Nopparat Thara - Mu and Phi Phi Marine National Park regions are noted for prolific marine life and diverse coral.
Several hundred species of fish are found around seven distinct island destinations.
The archipelago is a short boat trip from Aonang and always popular with divers and snorkelers searching for shallow underwater activities - Depth 5 to 25 meters.
Advanced or experienced scuba divers may appreciate the deeper dive sites of the Phi Phi Islands for bigger fish and coral formations.
The optimum season for scuba diving in Krabi and Ao Nang peaks between the months of November and April. The dry sunny high season offers calm seas and clear warm water of 30°C and typically 5 to 20 meters viz.
Dive shops operate most of the year but sea conditions deteriorate from June and often results in heavy rainfall around the Andaman Sea towards the end of October.
The south-west monsoon and general bad weather in the rainy season affects the underwater visibility and often produces choppy boat crossings.
Krabi's dive season matches the high season for vacation visitors to Phuket.
The peak period for traveling to the southern Thai provinces is January to the beginning of April.
The water clarity during these optimum months is usually in excess of twenty meters.
The water temperature around Krabi and Ao Nang remains around 30°C during the dry season and rarely drops more than a few degrees at any time of the year.
Dive in Krabi or Aonang between March and June and you may be lucky to see mating leopard sharks. Leopard sharks prefer staying around the local dive sites during the reproductive season.
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