Best Diving Spots in Thailand in December

In December, the best place to go diving in Thailand is the Andaman Sea, particularly around the Similan Islands. This time of year offers excellent diving conditions with clear visibility, calm seas, and a greater chance to spot diverse marine life, including manta rays and whale sharks.

Known for their stunning underwater scenery, the Similan Islands offer some of the best diving in Thailand. Here, you'll find vibrant coral reefs, diverse marine life, and spectacular rock formations. Expect to see manta rays, whale sharks, and a variety of tropical fish.
Koh Bon is renowned for its large manta ray population, making it a must-visit spot for divers. Besides mantas, you can also explore coral gardens and encounter reef sharks.
This dive site is famous for its rich biodiversity and is considered one of the top diving spots in the world. Look out for whale sharks, barracudas, and a plethora of macro life.