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Explore North Croatia

Kvarner Bay, nestled between the Istrian Peninsula and the northern Croatian Littoral mainland, offers an unparalleled diving experience in the northern Adriatic Sea. Known for its breathtaking beauty, the bay is a diver's paradise, featuring dramatic rocky walls and crystalline turquoise waters that promise an unforgettable underwater adventure. The region is a top diving destination in Eastern Europe, thanks to its rich marine biodiversity and the opportunity to explore its underwater treasures all year round.

One of Kvarner's standout features is its remarkable wall dives. These underwater cliffs, adorned with vibrant gorgonians, create a spectacular backdrop for divers exploring the hidden depths of the Adriatic. The bay's craggy reefs teem with life, making it a haven for marine enthusiasts. Divers can expect to encounter a variety of marine species, from colorful fish to enigmatic sea turtles. The depth of the bay, reaching over 100 meters (328 feet), provides a thrilling exploration opportunity for those seeking new underwater challenges.

Kvarner's diverse dive environments cater to all preferences, offering shore dives for easy access, boat dives to explore remote sites, and liveaboard options for those wishing to immerse themselves fully in the region's aquatic wonders. Whether you're a novice or an experienced diver, the enchanting underwater world of Kvarner Bay promises an inspiring and memorable diving experience, making it a must-visit destination on the Adriatic coast.

Top Regions to Explore

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Open Water Diver

Open Water Diver

SSI Open Water Diver – Your introduction to diving with Diving Cres on the island of Cres The SSI Open Water Diver certification is recognized worldwide and is the best way to start an adventure as a trained diver that will stay with you for the rest of your life. With Diving Cres, your professional SSI Dive Center on the island of Cres, Croatia, you will immerse yourself in a new world full of fascination, freedom and unforgettable experiences. Our Open Water Diver course combines personalized theory lessons with practical training sessions in open water at the most beautiful dive sites around Cres. Step by step, you will learn everything you need to dive safely, relaxed and with joy. Our experienced SSI instructors from Diving Cres will guide you individually so that you can learn at your own pace. You will acquire: in-depth knowledge of diving equipment and safety, safe buoyancy control and underwater communication, and the confidence of a responsible diver. This hands-on training ensures that you are well prepared to explore the underwater world on your own. Upon completion, you'll earn the SSI Open Water Diver certification, which will open up new diving adventures around the world. Start your diving adventure with Diving Cres – your SSI Dive Center on Cres! Book your Open Water Diver course in Croatia now and immerse yourself in the fascinating world of diving! Start your diving adventure with Diving Cres! SSI Open Water Diver course in Cres, Croatia – learn to dive safely and discover the underwater world.

Diving Cres d.o.o., Jutta Hofer / Mario Hofer, Autocamp Kovacine, 51557, Cres, HRV
September 26, 2026 +120 More
$624.79
€549.00

Dive Activity

Diving in North Croatia

Exploring the northern regions offers a plethora of thrilling diving experiences. The SS Thistlegorm wreck dive, regarded as one of the best in the world, presents a mesmerizing underwater museum with artifacts dating back to World War II. Nearby, the Blue Hole remains a favorite shore dive, renowned for its stunning corals and diverse marine life.

For those seeking unique experiences, night dives in the north unveil captivating nocturnal marine behavior, including bioluminescent displays. Dive travelers can enjoy the flexibility of both shore and liveaboard diving options, ensuring an adventure that suits every preference and skill level.

Dive Centers

Dive Sites

The best Months to dive in North Croatia

Diving in North Croatia offers a variety of conditions throughout the year. The region is known for its clear waters and diverse marine life. During the summer months, water temperatures range from 24°C–27°C/75°F–81°F, while visibility can reach up to 30 meters/98 feet. The warm conditions make this the most popular time for diving.

In the winter, water temperatures drop to 10°C–14°C/50°F–57°F, and visibility can decrease due to increased plankton. Diving is still possible, although less frequent due to colder conditions and occasional strong winds, particularly the Bura and Jugo. Overall, North Croatia offers year-round diving opportunities, with spring and autumn providing milder temperatures and good visibility, making them ideal times for experienced divers seeking quieter sites.

Top Wildlife Sightings in North Croatia

North Croatia, encompassing the northern Adriatic Sea, offers a unique marine habitat where divers can explore a variety of aquatic life. Common reef fish such as damselfish, wrasses, and gobies are prevalent, providing a colorful spectacle year-round. The complex underwater environments, including sea grass beds and rocky reefs, serve as home to diverse marine species. Seasonal highlights include the occasional sightings of loggerhead turtles and rays during the warmer months, such as July and August. While sharks are rare, small species like the smoothhound shark may be spotted, especially in deeper waters. Dive sites around the Kvarner Gulf and near the Istria Peninsula are particularly promising for encountering these remarkable creatures, offering divers a captivating glimpse into the Adriatic's biodiversity.

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.: 300

Octopus

Octopus

6.6k Sightings
J
5
F
12
M
3
A
86
M
321
J
635
J
1.6k
A
2.2k
S
1.5k
O
190
N
17
D
17

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

1.4k Sightings
J
1
F
0
M
1
A
21
M
104
J
137
J
340
A
386
S
337
O
20
N
5
D
7

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

8.8k Sightings
J
6
F
4
M
19
A
144
M
623
J
1.2k
J
2k
A
2.6k
S
1.7k
O
282
N
38
D
22

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

5.8k Sightings
J
8
F
3
M
22
A
175
M
525
J
848
J
1k
A
1.6k
S
1.3k
O
253
N
27
D
21

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

5.4k Sightings
J
4
F
9
M
10
A
41
M
395
J
753
J
1.5k
A
1.8k
S
817
O
61
N
6
D
9

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

Total number of species approx.: 190

Conger Eel

Conger Eel

3.9k Sightings
J
2
F
1
M
9
A
69
M
237
J
547
J
898
A
1.2k
S
822
O
115
N
9
D
8
Common Seahorse

Common Seahorse

2k Sightings
J
3
F
1
M
7
A
33
M
88
J
209
J
540
A
796
S
304
O
53
N
9
D
3

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

1.8k Sightings
J
2
F
0
M
2
A
10
M
74
J
227
J
509
A
544
S
416
O
23
N
2
D
6

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

1.7k Sightings
J
0
F
0
M
1
A
7
M
69
J
160
J
406
A
613
S
355
O
34
N
7
D
5

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

1.6k Sightings
J
0
F
1
M
15
A
39
M
183
J
222
J
298
A
390
S
369
O
57
N
2
D
1

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

Total number of species approx.: 125

Gurnards

Gurnards

1.4k Sightings
J
1
F
4
M
22
A
71
M
125
J
141
J
121
A
519
S
370
O
51
N
11
D
6

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

1.3k Sightings
J
4
F
2
M
4
A
15
M
130
J
320
J
375
A
284
S
161
O
18
N
6
D
2

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

1.1k Sightings
J
1
F
3
M
2
A
4
M
95
J
143
J
314
A
283
S
277
O
18
N
4
D
3

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

944 Sightings
J
7
F
5
M
1
A
9
M
127
J
157
J
214
A
223
S
173
O
18
N
3
D
7

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

818 Sightings
J
1
F
1
M
1
A
2
M
52
J
106
J
205
A
231
S
187
O
23
N
4
D
5
Spiny Seahorse

Spiny Seahorse

670 Sightings
J
0
F
0
M
0
A
6
M
39
J
71
J
159
A
269
S
123
O
3
N
0
D
0

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

498 Sightings
J
0
F
0
M
0
A
0
M
12
J
86
J
164
A
132
S
97
O
5
N
1
D
1

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

Total number of species approx.: 1700

Sea Cucumbers

Sea Cucumbers

454 Sightings
J
0
F
0
M
0
A
15
M
24
J
67
J
154
A
112
S
82
O
0
N
0
D
0

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

Total number of species approx.: 1900

Starfish

Starfish

445 Sightings
J
0
F
0
M
0
A
14
M
63
J
73
J
88
A
87
S
120
O
0
N
0
D
0

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

369 Sightings
J
0
F
0
M
1
A
2
M
19
J
0
J
97
A
155
S
78
O
14
N
1
D
2

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

Total number of species approx.: 950

Sea Urchins

Sea Urchins

338 Sightings
J
0
F
0
M
0
A
0
M
21
J
27
J
116
A
100
S
74
O
0
N
0
D
0

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

331 Sightings
J
0
F
0
M
0
A
0
M
27
J
58
J
80
A
92
S
74
O
0
N
0
D
0

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

Total number of species approx.: 150

Sea Breams

Sea Breams

255 Sightings
J
0
F
0
M
0
A
0
M
0
J
35
J
71
A
44
S
105
O
0
N
0
D
0

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

245 Sightings
J
0
F
0
M
2
A
0
M
21
J
28
J
33
A
98
S
52
O
11
N
0
D
0

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

Total number of species approx.: 80

Mullet

Mullet

243 Sightings
J
0
F
0
M
0
A
0
M
13
J
27
J
7
A
64
S
129
O
0
N
0
D
3

Curated by Interest

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Underwater Beginner