Overview

Siam Bay is the northern most bay of Racha Yai. This bay consists of rocky edges and the center bay area is sand covered with a hard coral patches.

There are a few man made monuments in the center of the bay depicting two elephants and a big temple gate guarded by a mythical giant sentry, known in Thai as Yak, who is believed to protect the gate from evil spirits. These statues are situated between 18 and 20 metres and should be the dropping point for the start of the dive. They are marked by a mooring line and should be relatively easy to locate.

One of the best places to find Kuhl’s Stingrays which can be found hiding in the sand along the peacock flounder. Parrotfish, triggerfish, butterfly fish and barracuda are common to these waters. Turtles, Octopus and cuttlefish also make an appearance here. Dives here have also produced some good unusual and rare marine life including some large stonefish, flathead crocodile fish and some lovely colored nudibranchs so keep your eyes peeled whilst diving here.

A nice easy dive site makes for a good beginners and training site and is popular all year round as it offers protection from both the easterly and westerly winds. and is ideal for your PADI Open Water Course. This site is also popular with snorkelers.

Getting There

All scuba diving dive sites are at the discretion of the tour leader on the day. Dive sites are selected based on the weather conditions, currents, safety and suitability to majority of divers on the boat. We cannot guarantee specific dive sites prior to the boat departing.

Dive boats go to Racha Noi every day of the week as a part of a 3-dive combo with Racha Yai. There is also a two dive trip to “Racha Yai only” running everyday of the week.

Inisights

Difficulty

Marine Life

Coral

Currents

Depth:

5-40m

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Phuket Dive Sites Racha Islands

Explore Day Trips

Phuket offers exciting full-day diving adventures aboard our dive boats! We call these excursions “Day Trips,” where you can experience multiple dives throughout the day.

Scuba Diving Phuket - Lionfish Aussie Divers
3 Dives

King Cruiser, Shark Point & Koh Doc Mai

Scuba Diving Phuket - Phi Phi Aussie Divers
3 Dives

Phi Phi Island and
Shark Point

Phuket Dive Sites Racha Islands
3 Dives

Racha Noi and Racha Yai

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Dates for Aussie Divers Phuket IDC and PADI IE

Here is a list of the Aussie Divers Phuket PADI IDCs dates for 2026, including the PADI IE dates for Phuket.

Month
Early Preparation
IDC Course
PADI IE Phuket
Specialty Dates
January ’26
1st – 4th
5th – 16th
17th – 18th
19th – 23rd
February ’26
28th Jan – 1st Feb
2nd – 13th
14th – 15th
16th – 20th
March ’26
25th Feb – 1st Mar
2nd – 13th
14th – 15th
16th – 20th
April ’26
1st – 5th
6th – 17th
18th – 19th
20th – 24th
May ’26
29th Apr – 3rd May
4th – 15th
16th – 17th
18th – 22nd
June ’26
3rd – 7th
8th – 19th
20th – 21st
22nd – 26th
July ’26
1st – 5th
6th – 17th
18th – 19th
20st – 24th
August ’26
29th Jul – 2nd Aug
3rd – 14th
15th – 16th
17th – 21st
September ’26
2nd – 6th
7th – 18th
19th – 20th
21st – 25th
October ’26
30th Sept – 4th Oct
5th – 16th
17th – 18th
19th- 23rd
November ’26
4th – 8th
9th – 20th
21st – 22nd
23rd – 27th
December ’26
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12th – 13th
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