Koh Samet
Scuba diving in Koh Samet is perfect for divers of all skill levels. With calm, beautiful reef sites
Explore Rayong Province
Rayong Province, located in the Gulf of Thailand, offers a distinctive diving experience characterized by its tranquil, uncrowded sites and diverse marine life. The region's most popular diving spot, Koh Samet, is a haven for both beginners and seasoned divers. New divers can explore stunning reefs, while experienced ones can take on challenges like the Alhambra Pinnacle. The area is also famous for liveaboard trips that provide access to the best diving locations in Rayong.
Diving in Rayong typically involves exploring vibrant coral reefs, boulder and pinnacle sites, and even a shipwreck, the intriguing Phetra Wreck. The reefs are teeming with tropical marine life, including macro species, an array of reef fish, eels, octopuses, sea snakes, and cuttlefish. Divers often delight in sightings of turtles and reef sharks. Unique to this region are coral species like the magnificent elephant ear sponge colony at the Sand Terrace dive site.
The ideal diving season is from November to April, when conditions are most stable, with water temperatures between 28°C–30°C/82°F–86°F. While diving is possible from May to October, reduced visibility and choppier seas can be expected, offering a quieter experience with potential discounts on accommodation and diving packages.
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Diving in Rayong Province
Rayong Province, situated along Thailand's eastern seaboard, offers divers an impressive array of sites, from captivating wrecks to vibrant shore dives. One highlight is the HTMS Prab, a shipwreck teeming with marine life, providing thrill-seekers with an engaging underwater exploration. This wreck site is particularly popular among advanced divers, offering a glimpse into history as well as encounters with schools of fish. For those preferring shore diving, Mae Ramphueng Beach is ideal, with its easy access and colorful coral reefs. Night diving here reveals the mesmerizing bioluminescence and nocturnal marine creatures that make the experience unforgettable. Rayong caters to both shore and liveaboard divers, with options to fit different preferences, ensuring a well-rounded dive adventure for all enthusiasts.
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The best Months to dive in Rayong Province
Rayong Province in Thailand offers year-round diving opportunities with varying conditions. During November to February, water temperatures range from 27°C to 29°C/81°F to 84°F, providing comfortable diving conditions. Visibility is generally good, ranging from 10 to 20 meters/33 to 66 feet, though it can be affected by occasional monsoons.
From March to October, temperatures rise to 29°C–31°C/84°F–88°F, and visibility can decrease slightly due to increased plankton. While diving is feasible year-round, the best conditions are from November to April when the weather is more stable, and the seas calmer. Wind and currents are typically mild, but it's advisable to check forecasts before planning dives, especially during the rainy season.
Top Wildlife Sightings in Rayong Province
Rayong Province, located along Thailand's eastern seaboard, is renowned for its vibrant marine ecosystems, particularly in areas such as Ko Samet and the nearby islands. These waters are teeming with a variety of reef fish, including angelfish, parrotfish, and butterflyfish, which are commonly sighted by divers exploring the coral reefs. Visibility and water conditions make these species a frequent delight for underwater enthusiasts. Seasonal highlights in Rayong include the occasional sightings of blacktip reef sharks and hawksbill turtles, especially in the warmer months from March to May. Divers might also encounter blue-spotted rays gliding gracefully over sandy bottoms. While these species are less frequent than common reef fish, visiting during the right season increases the likelihood of such encounters, offering a thrilling experience for those exploring the aquatic landscapes of Rayong.
Wildlife Sightings are Based on User Generated Content
The image shown is a representative illustration and does not depict every individual animal in this category.
Total number of species approx.: 27
iStock-Global_Pics
Barracuda
393 Sightings
J
27
F
29
M
52
A
31
M
0
J
0
J
0
A
1
S
6
O
94
N
113
D
40
The image shown is a representative illustration and does not depict every individual animal in this category.
Total number of species approx.: 200
Alamy-WaterFrame
Moray Eel
29 Sightings
J
0
F
0
M
0
A
1
M
0
J
0
J
1
A
0
S
0
O
0
N
26
D
1
The image shown is a representative illustration and does not depict every individual animal in this category.
Total number of species approx.: 28
Udo Kefrig
Clownfish
562 Sightings
J
29
F
37
M
98
A
59
M
22
J
0
J
2
A
3
S
5
O
123
N
99
D
85
The image shown is a representative illustration and does not depict every individual animal in this category.
Total number of species approx.: 130
Shutterstock_Krzysztof Odziomek
Butterfly Fish
409 Sightings
J
13
F
40
M
61
A
38
M
19
J
0
J
1
A
1
S
1
O
64
N
99
D
72
The image shown is a representative illustration and does not depict every individual animal in this category.
Total number of species approx.: 90
Shutterstock-Rich Carey
Angelfish
397 Sightings
J
13
F
35
M
64
A
38
M
19
J
0
J
1
A
1
S
7
O
71
N
85
D
63
The image shown is a representative illustration and does not depict every individual animal in this category.
Total number of species approx.: 8
Alamy-Reinhard Dirscherl
Bannerfish
326 Sightings
J
12
F
37
M
45
A
36
M
14
J
0
J
1
A
1
S
7
O
61
N
72
D
40
The image shown is a representative illustration and does not depict every individual animal in this category.
Total number of species approx.: 250
Shutterstock-Henry_and_Laura_Whittaker
Grouper/Basslets
233 Sightings
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0
F
23
M
50
A
25
M
0
J
0
J
0
A
0
S
2
O
46
N
55
D
32
The image shown is a representative illustration and does not depict every individual animal in this category.
Total number of species approx.: 3000
SSI-Peter-Schinck
Nudibranch
228 Sightings
J
10
F
20
M
34
A
11
M
0
J
0
J
0
A
0
S
3
O
20
N
71
D
59
The image shown is a representative illustration and does not depict every individual animal in this category.
Total number of species approx.: 110
iStock-Rainer von Brandis
Snapper
171 Sightings
J
0
F
11
M
29
A
11
M
0
J
0
J
0
A
0
S
3
O
42
N
47
D
28
The image shown is a representative illustration and does not depict every individual animal in this category.
Total number of species approx.: 7000
iStock-Michael Zeigler
Crab
169 Sightings
J
0
F
12
M
32
A
9
M
0
J
0
J
8
A
0
S
0
O
30
N
35
D
43
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Underwater Beginner
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Scuba Enthusiasts
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Family Trip
Mares-Predrag Vuckovic
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Mares-Bjoern Dorstewit
Thailand
The 37m Thailand Master is a purpose-built sailing liveaboard designed by divers, for divers. Accommodating up to 18 guests in 7 air-conditioned cabins, it offers comfortable en...
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Thailand
The 37m Thailand Master is a purpose-built sailing liveaboard designed by divers, for divers. Accommodating up to 18 guests in 7 air-conditioned cabins, it offers comfortable en...
Show Offer