Siam Bay

Siam Bay

Siam Bay, located near Phuket, Thailand, offers exceptional scuba diving with its diverse marine life and unique underwater features. Accessible by a short boat ride, it boasts depths ideal for all skill levels and man-made attractions like elephant statues. The best time to visit is November to May, with accommodation options ranging from luxury resorts to eco-friendly choices. Siam Bay is a must-visit for diving enthusiasts seeking the beauty of Thailand‘s underwater world.

Siam Bay Diving Site.


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4 out of 5 stars


Discover Siam Bay: A Scuba Diving Paradise near Racha Yai, Thailand

Introduction to Siam Bay

Located in the northern part of Racha Yai Island, Siam Bay offers an unparalleled underwater adventure for scuba diving enthusiasts. With its rocky edges and sandy center adorned with hard coral patches, it's a gateway to exploring the rich marine life of the Andaman Sea.

How to Reach Siam Bay

Easily accessible from Phuket, a 30-minute speedboat ride from Chalong Pier will take you to this diving paradise.

Diving at Siam Bay

The Dive Site's Unique Features

With an average depth of 12-18 meters, Siam Bay is perfect for both novice and experienced divers. The bay's underwater landscape is dotted with hard corals and big pinnacles, offering a mesmerizing dive experience.

Marine Life in Siam Bay

Divers at Siam Bay can expect to see a vibrant array of marine species, including parrotfish, butterflyfish, cuttlefish, and Kuhl’s stingrays.

Man-made Attractions

Among the underwater attractions are man-made monuments, including two elephants and a big temple gate, enhancing the dive experience.

Best Time to Visit Siam Bay

The optimal diving conditions in Siam Bay are from November to May, when the sea is calmest and water visibility is at its peak.

Accommodations and Amenities

From the luxurious The Racha Resort to the immense Racha Island Resort, visitors can enjoy comfortable stays, excellent dining, and eco-friendly practices.

Why Choose Siam Bay for Your Next Dive

Siam Bay is not just a dive site; it's a serene escape into a world of vivid coral reefs, diverse marine life, and tranquil waters, making it a must-visit destination for anyone looking to explore the underwater marvels of Thailand.