Koh Bida Nok

★★★★★ (54,065)

This is one our favourite dive sites since it has the widest range of wildlife. The reef gently slopes down from the island apart from the wall at the south west which drops 22-26 meters.

Turtles, Black Tip reef sharks, Barracuda, Big schools of yellow snapper, Nudibranchs, Octopus, Moray eels, Lion Fish, Travally.

Dive Activity

Courses and Events

Open Water & Advanced Open Water DUO

Open Water & Advanced Open Water DUO

1. Why choose SSI training with us?Progress at your own pace, in complete safety. Learning to dive or advancing to the next level is a milestone. At Apo Dhatu Divers, we pride ourselves on offering personalized instruction based on hands-on experience and the joy of learning without stress.Free e-learning via MySSI: Study the theory at your own pace on your smartphone or computer before you leave.Small teaching groups: a maximum of 2 students per instructor for personalized instruction and undivided attention.International Recognition: Your SSI digital certifications are valid at dive centers around the world.2. Open Water + Advanced Open Water Training PackageCombining multiple courses offers several benefits:Financial SavingsThe total cost is lower than purchasing the two courses separately (discount on the application fee).Complete budget control for vacations or leisure projects, with no unpleasant pricing surprises during your trip.Time savings and simplified logisticsA single booking process that eliminates the need for multiple administrative steps, creating online accounts, and repeated payments.Comprehensive planning of the training schedule (online followed by in-person) from the outset, ensuring the availability of instructors and time slots, as well as the desired language.Educational continuity and smooth progressionA natural progression of skills: the reflexes acquired during the Open Water course are immediately reinforced and expanded upon during the Advanced course.Less stress or loss of skill level between training sessions, as the learning curve remains constant.Motivation and Clear ObjectiveA long-term vision of their diving proficiency (autonomy at 30 meters) from the moment of enrollment, which strengthens commitment and personal satisfaction.Achieve the status of an accomplished diver more quickly, allowing you to participate in more challenging or remote dives without depth restrictions.

October 17, 2026 +225 More
$841.16
THB 28,200.00
First Dive - Basic Diver DUO

First Dive - Basic Diver DUO

1. Why choose the Basic Diver program?The ideal experience to get started right in the ocean and build confidenceIt allows you to complete hands-on learning exercises right in the calm, shallow waters of national parks, followed by two exploration dives in the heart of Koh Lanta’s coral reefs.100% in the ocean over 1 day: No need to go through the pool—you’ll enjoy a full day right on the boat.2 exploration dives: Descend to a depth of 12 meters, guided by your instructor.Progressive Certification: Your experience is recorded in the MySSI app and can be credited in full if you decide to continue on to the Scuba Diver or Open Water Diver course within 6 months!Maximum of 2 participants per instructor: For comfort and constant attention.2. The Day’s ScheduleA personalized experience, tailored to your paceWondering what it feels like to breathe underwater for the first time?The SSI introductory dive (Try Scuba / Basic Diver) is the perfect way to discover the underwater world without the commitment of a long training course.Under the guidance of our experienced French-speaking instructors, you’ll explore the underwater world in a safe and supportive environment.How does your trip go?Briefing & Preparation: Introduction to equipment, simple safety guidelines, and underwater communication signals.Gentle Introduction: Take some time to acclimate in shallow water to get your bearings and take your first breaths without stress.Reef Exploration: Discover the tropical fish and colorful corals of Koh Lanta at depths of up to 12 meters (or 5 meters for the introductory course).3. The Benefits of “Apo Dhatu Divers”Safety & Supervision: A maximum of 2 participants per instructor to ensure constant attention.Stress-Free & Serene: A patient and passionate instructor who provides constant attention.French-language training materials: Easy-to-understand theory accessible via the MySSI app before your dive.Transportation: Pickup from your hotel and return. Additional fees may apply depending on the distance from your accommodations.All-inclusive onboard: Breakfast, hot lunch (dietary options available), snacks, beverages, and fresh fruit.Full equipment provided: Diving gear that is regularly maintained for maximum safety.Insurance: Free for the duration of your activity.4. PrerequisitesBe at least 10 years old and in good general health (a simple medical questionnaire must be completed).No prior experience required.5. Your International CertificationOnce your day is over, you’ll receive a certification recognized within the SSI system. For 6 months, this certification allows you to take guided dives to depths of up to 12 m with an SSI professional, or save time and money on your future Scuba Diver or Open Water training.6. Frequently Asked Questions (FAQ)Do you need to be a strong swimmer for a first-time dive?You don’t need to be a strong swimmer; being in reasonably good physical condition is sufficient. Your instructor will stay by your side at all times to manage your buoyancy and ensure your comfort underwater.At what age can someone take a trial dive?The open-water program is available to participants ages 10 and up. (An adapted program limited to 5 meters is available for younger participants ages 8 and up, in a pool setting only.)What if I want to continue after my introductory dive?If this experience makes you want to take it further, your SSI introductory dive can be credited directly toward the first step of your SSI Open Water Diver certification!

October 17, 2026 +225 More
$143.18
THB 4,800.00

Potential Wildlife Sightings

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.: 200

Moray Eel

Moray Eel

3.8k Sightings
J
526
F
477
M
478
A
352
M
164
J
149
J
177
A
224
S
120
O
242
N
425
D
492

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 27

Barracuda

Barracuda

2k Sightings
J
253
F
294
M
275
A
186
M
110
J
75
J
80
A
136
S
69
O
116
N
191
D
227
Hawksbill Turtle

Hawksbill Turtle

1k Sightings
J
109
F
98
M
107
A
107
M
53
J
49
J
62
A
100
S
43
O
47
N
106
D
119

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 300

Octopus

Octopus

779 Sightings
J
92
F
78
M
140
A
101
M
43
J
43
J
44
A
32
S
20
O
37
N
68
D
81

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 600

Wrasse

Wrasse

483 Sightings
J
76
F
54
M
64
A
37
M
16
J
20
J
28
A
31
S
13
O
28
N
45
D
71
Green Turtle

Green Turtle

218 Sightings
J
33
F
34
M
45
A
31
M
12
J
0
J
0
A
0
S
0
O
12
N
23
D
28
Whale Shark

Whale Shark

188 Sightings
J
0
F
10
M
40
A
32
M
23
J
14
J
22
A
22
S
14
O
0
N
0
D
11
Blacktip Reef Shark

Blacktip Reef Shark

6.9k Sightings
J
953
F
881
M
992
A
595
M
197
J
245
J
465
A
528
S
301
O
434
N
512
D
789

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 28

Clownfish

Clownfish

3.9k Sightings
J
498
F
438
M
497
A
370
M
172
J
161
J
207
A
269
S
153
O
251
N
405
D
461

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 12

Lionfish

Lionfish

3.4k Sightings
J
454
F
398
M
421
A
311
M
150
J
136
J
158
A
215
S
124
O
221
N
331
D
453

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 130

Pufferfish

Pufferfish

3k Sightings
J
387
F
347
M
389
A
276
M
130
J
107
J
134
A
184
S
116
O
191
N
345
D
381

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 100

Parrotfish

Parrotfish

2.7k Sightings
J
315
F
323
M
328
A
252
M
123
J
103
J
141
A
165
S
115
O
172
N
295
D
337

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 130

Butterfly Fish

Butterfly Fish

2.4k Sightings
J
326
F
302
M
297
A
214
M
109
J
101
J
139
A
182
S
86
O
160
N
242
D
290

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 90

Angelfish

Angelfish

2.4k Sightings
J
308
F
294
M
294
A
225
M
109
J
105
J
123
A
174
S
95
O
149
N
231
D
297

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 8

Bannerfish

Bannerfish

2.3k Sightings
J
282
F
278
M
287
A
223
M
108
J
95
J
110
A
164
S
86
O
139
N
224
D
271

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 40

Triggerfish

Triggerfish

2.1k Sightings
J
249
F
258
M
271
A
199
M
94
J
75
J
107
A
120
S
79
O
134
N
207
D
263

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 25

Boxfish

Boxfish

1.7k Sightings
J
218
F
204
M
229
A
179
M
87
J
78
J
91
A
122
S
61
O
102
N
172
D
184

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 250

Scorpionfish

Scorpionfish

1.5k Sightings
J
200
F
191
M
186
A
129
M
59
J
55
J
82
A
110
S
52
O
73
N
145
D
192

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 85

Surgeonfish

Surgeonfish

1.5k Sightings
J
169
F
162
M
171
A
113
M
65
J
55
J
77
A
120
S
72
O
104
N
188
D
172

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 110

Snapper

Snapper

1.5k Sightings
J
210
F
172
M
151
A
116
M
64
J
54
J
96
A
99
S
58
O
94
N
135
D
203

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 3

Trumpetfish

Trumpetfish

1.4k Sightings
J
170
F
195
M
161
A
125
M
66
J
51
J
58
A
110
S
64
O
95
N
151
D
154

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 90

Goatfish

Goatfish

1.4k Sightings
J
173
F
148
M
161
A
122
M
79
J
68
J
74
A
89
S
44
O
109
N
145
D
152

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 80

Stingrays

Stingrays

1.3k Sightings
J
122
F
145
M
178
A
117
M
70
J
56
J
100
A
137
S
69
O
47
N
123
D
143

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 20

Porcupinefish

Porcupinefish

1.3k Sightings
J
155
F
139
M
157
A
116
M
61
J
69
J
79
A
103
S
63
O
76
N
125
D
156

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 150

Sweetlips and Grunts

Sweetlips and Grunts

1.1k Sightings
J
134
F
136
M
126
A
87
M
39
J
44
J
54
A
89
S
56
O
91
N
105
D
131

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 120

Cuttlefish

Cuttlefish

1.1k Sightings
J
137
F
135
M
152
A
89
M
43
J
36
J
59
A
65
S
33
O
47
N
98
D
176

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 350

Damselfish

Damselfish

1k Sightings
J
111
F
106
M
116
A
99
M
63
J
51
J
60
A
86
S
51
O
87
N
100
D
118
Banded Sea Krait

Banded Sea Krait

991 Sightings
J
119
F
133
M
141
A
127
M
55
J
52
J
65
A
55
S
39
O
36
N
76
D
93

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 250

Grouper/Basslets

Grouper/Basslets

951 Sightings
J
128
F
122
M
100
A
75
M
55
J
35
J
55
A
71
S
41
O
58
N
98
D
113

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 60

Soldierfish

Soldierfish

901 Sightings
J
95
F
94
M
118
A
86
M
35
J
39
J
57
A
88
S
35
O
84
N
79
D
91

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 15

Garfish

Garfish

901 Sightings
J
111
F
88
M
102
A
89
M
49
J
42
J
34
A
65
S
38
O
69
N
105
D
109

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 300

Squid

Squid

860 Sightings
J
88
F
109
M
122
A
96
M
58
J
33
J
57
A
67
S
35
O
43
N
52
D
100
Common Seahorse

Common Seahorse

858 Sightings
J
97
F
93
M
136
A
96
M
59
J
46
J
55
A
60
S
23
O
33
N
67
D
93
Spiny Seahorse

Spiny Seahorse

852 Sightings
J
108
F
120
M
145
A
84
M
38
J
25
J
52
A
45
S
22
O
33
N
95
D
85

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 3000

Nudibranch

Nudibranch

820 Sightings
J
123
F
105
M
113
A
66
M
33
J
15
J
37
A
37
S
28
O
42
N
118
D
103

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 60

Spiny Lobster

Spiny Lobster

678 Sightings
J
77
F
92
M
79
A
70
M
36
J
32
J
56
A
40
S
27
O
35
N
57
D
77

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 3

Cornetfish

Cornetfish

646 Sightings
J
84
F
86
M
79
A
75
M
43
J
39
J
42
A
42
S
23
O
38
N
49
D
46

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 55

Lobster

Lobster

581 Sightings
J
89
F
76
M
78
A
57
M
32
J
32
J
48
A
35
S
15
O
26
N
31
D
62

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 3400

Shrimp

Shrimp

577 Sightings
J
82
F
70
M
105
A
40
M
32
J
29
J
47
A
30
S
16
O
20
N
46
D
60

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 60

Squirrelfish

Squirrelfish

565 Sightings
J
86
F
48
M
79
A
35
M
24
J
22
J
37
A
44
S
21
O
51
N
54
D
64

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 40

Jackfish

Jackfish

524 Sightings
J
90
F
69
M
49
A
38
M
14
J
12
J
10
A
29
S
13
O
42
N
67
D
91

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 7000

Crab

Crab

475 Sightings
J
50
F
58
M
67
A
46
M
38
J
30
J
44
A
34
S
16
O
13
N
30
D
49

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 30

Stonefish

Stonefish

395 Sightings
J
54
F
64
M
55
A
32
M
20
J
0
J
15
A
30
S
10
O
27
N
36
D
52

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 300

Snake Eel

Snake Eel

383 Sightings
J
45
F
40
M
44
A
24
M
27
J
21
J
34
A
66
S
18
O
13
N
21
D
30

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 80

Emperor

Emperor

371 Sightings
J
35
F
24
M
34
A
32
M
30
J
31
J
40
A
37
S
18
O
20
N
35
D
35

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 130

Pipefish

Pipefish

318 Sightings
J
23
F
43
M
53
A
36
M
25
J
28
J
31
A
31
S
12
O
12
N
0
D
24

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 50

Frogfish

Frogfish

277 Sightings
J
32
F
32
M
32
A
24
M
27
J
26
J
31
A
30
S
13
O
0
N
10
D
20
Zebra Shark

Zebra Shark

225 Sightings
J
21
F
16
M
22
A
20
M
14
J
14
J
22
A
24
S
11
O
14
N
28
D
19

The image shown is a representative illustration and does not depict every individual animal in this category.

Total number of species approx.: 30

Sand Eel

Sand Eel

210 Sightings
J
47
F
37
M
27
A
18
M
11
J
0
J
14
A
28
S
0
O
0
N
10
D
18

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