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O’ahu, a jewel of the Hawaiian archipelago, offers divers an unforgettable experience with its diverse underwater world. The island is renowned for its unique blend of shore and boat diving opportunities, making it accessible to divers of all skill levels. During the summer months, the North Shore transforms into a diver's paradise, with calm waters perfect for exploring sites like Turtle Bay, Shark’s Cove, and Three Tables. These locations provide a stunning backdrop of colorful coral reefs and intriguing marine life, including the graceful movements of sea turtles and the occasional sighting of reef sharks.

For those seeking more adventurous dives, O’ahu does not disappoint. The island hosts a variety of captivating dive environments such as the underwater Hawaiian Grand Canyon and Kahuna Canyon, where divers can witness the dramatic rise of walls from the ocean depths. Exploring the Makaha Caverns, divers encounter ancient lava tubes teeming with octopi, eels, and sharks. Shipwreck enthusiasts will find thrill in sites like the YO-257 and Sea Tiger, providing hauntingly beautiful glimpses into history. Whether you're maneuvering through vibrant coral gardens or exploring eerie wrecks, O’ahu’s diving experience is a vibrant tapestry of natural beauty and rich aquatic life.

Upcoming Events

Open Water Diver Certification

Open Water Diver Certification

Begin your lifelong underwater adventures with Honolulu Scuba Company, an SSI Training Center. This globally recognized certification program combines personalized instruction with in-water practice to help you develop the skills, experience, and confidence to become comfortable underwater. No previous scuba diving experience is required.Your journey begins with SSI digital learning, introducing you to scuba equipment, underwater communication, and safe diving practices. Next, work with your instructor in confined water to practice essential skills, including breathing underwater, clearing your mask, and controlling your buoyancy.Your open-water training dives take place from shore, where you will put your new skills into practice under your instructor’s supervision. Explore the underwater environment while learning to manage your equipment, communicate with your buddy, and maintain comfortable, controlled movement through the water. Your instructor will guide you through each stage, helping you build confidence and develop safe diving habits.The course typically takes two to three days, depending on student progress and scheduling, and rental scuba equipment is included. Upon successful completion of all required academics, water skills, and training dives, you will earn your SSI Open Water Diver certification, opening the door to future diving adventures.Certification requires successful completion of all SSI course requirements. Training locations and schedules depend on ocean conditions and student readiness.

Honolulu Scuba Company, 670 Auahi Street, Suite A-1, 96813, Honolulu, HI, USA
October 15, 2026 +441 More
$699.00
Open Water Diver Certification with optional Boat Dives

Open Water Diver Certification with optional Boat Dives

Begin your lifelong underwater adventures with Honolulu Scuba Company, an SSI Training Center. This globally recognized certification program combines personalized instruction with in-water practice to help you develop the skills, experience, and confidence to become comfortable underwater. No previous scuba diving experience is required.Your journey begins with SSI digital learning, introducing you to scuba equipment, underwater communication, and safe diving practices. Next, work with your instructor in confined water to practice essential skills, including breathing underwater, clearing your mask, and controlling your buoyancy. You will then put those skills into practice during your open-water training dives, with your instructor guiding you each step of the way.Optional boat dives are available as part of the course. Choose this upgrade to complete a portion of your ocean training from a dive boat off Oʻahu’s west coast. Explore reef scenery while practicing your new skills and learning boat-diving procedures, including entering the water and returning aboard. Boat dives enhance the experience but are not required to earn your certification.The course typically takes two to three days, depending on student progress and scheduling, and rental scuba equipment is included. Upon successful completion of all required academics, water skills, and training dives, you will earn your SSI Open Water Diver certification.Certification requires successful completion of all SSI course requirements. Optional boat dives are subject to availability, ocean conditions, and student readiness.

Honolulu Scuba Company, 670 Auahi Street, Suite A-1, 96813, Honolulu, HI, USA
October 15, 2026 +441 More
$789.00

Dive Activity

Diving in O'ahu

O’ahu, Hawaii offers an enticing array of dive sites for enthusiasts of all levels. The island is renowned for its wreck dives, with the Sea Tiger, a sunken ship teeming with marine life, standing out as a must-visit. This dive site attracts schools of fish and the occasional turtle gliding by, offering a haunting yet mesmerizing experience. For those preferring shore dives, Shark’s Cove is a favorite, known for its clear waters and intricate lava tubes. At night, the underwater world transforms, revealing nocturnal creatures and vibrant coral polyps in action. O’ahu caters to diverse diving preferences, providing both shore and liveaboard options, ensuring an unforgettable underwater adventure.

Dive Centers

Dive Sites

The best Months to dive in O'ahu

O’ahu offers year-round diving with conditions generally favorable for enthusiasts. During summer, water temperatures average 27°C/81°F, while winter sees a slight drop to around 24°C/75°F. Visibility typically ranges from 15 to 30 meters/49 to 98 feet, depending on the location and weather conditions.

Although diving is possible throughout the year, the winter months can bring stronger currents and higher winds, particularly on the North Shore, making it less ideal for novice divers. Conversely, the south and west shores remain more sheltered and accessible regardless of the season. Planning a trip with these factors in mind ensures a safe and enjoyable diving experience.

Top Wildlife Sightings in O'ahu

O’ahu's vibrant marine life offers a stunning array of species for divers to explore. The island's coral reefs are home to an array of colorful reef fish, such as the yellow tang and the parrotfish, which are commonly seen year-round. These fish thrive in the warm waters and are often found around popular dive sites like Hanauma Bay and Shark's Cove.

Seasonal highlights include the Hawaiian green sea turtle, frequently spotted basking in the sun or gliding through the water. Rays, including the majestic manta ray, are occasionally seen near deeper reefs and cleaning stations. White-tip reef sharks are another highlight and can be observed patrolling the reefs, especially during the summer months when they are more active. Divers can expect varied encounters, with certain species more prevalent depending on the location and time of year.

Wildlife Sightings are Based on User Generated Content

Green Turtle

Green Turtle

9.3k Sightings
J
680
F
700
M
749
A
663
M
715
J
880
J
1k
A
865
S
821
O
783
N
725
D
702

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

5k Sightings
J
411
F
366
M
355
A
328
M
331
J
433
J
546
A
458
S
443
O
496
N
401
D
410

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

1.1k Sightings
J
97
F
28
M
91
A
51
M
29
J
83
J
125
A
97
S
99
O
133
N
164
D
94

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

Total number of species approx.: 25

Eagle Ray

Eagle Ray

686 Sightings
J
74
F
53
M
41
A
16
M
16
J
59
J
87
A
75
S
92
O
76
N
64
D
33
Hawksbill Turtle

Hawksbill Turtle

259 Sightings
J
7
F
13
M
20
A
3
M
30
J
36
J
39
A
24
S
29
O
27
N
11
D
20

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

1.9k Sightings
J
115
F
125
M
130
A
90
M
184
J
185
J
255
A
177
S
182
O
190
N
166
D
131
Whitetip Reef Shark

Whitetip Reef Shark

1.7k Sightings
J
158
F
103
M
127
A
112
M
68
J
127
J
286
A
142
S
150
O
178
N
144
D
139

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

1.7k Sightings
J
121
F
106
M
114
A
108
M
166
J
162
J
241
A
147
S
199
O
141
N
120
D
104

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

1.6k Sightings
J
93
F
96
M
86
A
139
M
158
J
131
J
241
A
162
S
150
O
125
N
153
D
95

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

1.3k Sightings
J
95
F
62
M
78
A
76
M
125
J
149
J
151
A
116
S
125
O
129
N
101
D
71

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

1.2k Sightings
J
74
F
60
M
78
A
75
M
148
J
125
J
192
A
107
S
119
O
104
N
90
D
60

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

591 Sightings
J
34
F
6
M
25
A
27
M
61
J
68
J
90
A
76
S
68
O
68
N
41
D
27

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

588 Sightings
J
23
F
1
M
26
A
35
M
60
J
73
J
90
A
73
S
58
O
81
N
42
D
26

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

432 Sightings
J
9
F
28
M
23
A
35
M
40
J
35
J
74
A
35
S
39
O
63
N
35
D
16

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

372 Sightings
J
21
F
4
M
11
A
25
M
20
J
48
J
46
A
47
S
47
O
45
N
24
D
34

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

319 Sightings
J
6
F
10
M
3
A
23
M
46
J
21
J
57
A
43
S
47
O
20
N
25
D
18

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

256 Sightings
J
3
F
4
M
18
A
16
M
36
J
23
J
18
A
42
S
35
O
24
N
31
D
6

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

236 Sightings
J
1
F
3
M
15
A
19
M
20
J
31
J
41
A
29
S
32
O
19
N
21
D
5

Curated by Interest

Events by Lifestyle Category

Underwater Beginner