© D.S ATAMI, 413-0023 Atami-shi
Kosoga Cave
★★★★☆
(258)
Kosoga Cave in Atami, Shizuoka, is open Nov–Apr and features a 40m semi-enclosed cave at 6–12m depth, ideal for beginners. Its wide space and open ceiling let sunlight create a stunning blue gradation. Just 10 minutes by boat from Atami Port, it’s both scenic and accessible.
The cave hosts schools of snappers, rockfish, and mackerel flowing like a river under light, with nearby sands hiding sharks and bullhead sharks.
Dive Activity
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
Alamy-WaterFrame
36 Sightings
J
8
F
4
M
4
A
0
M
1
J
1
J
1
A
0
S
3
O
1
N
4
D
9
The image shown is a representative illustration and does not depict every individual animal in this category.
Total number of species approx.: 600
iStock/ultramarinfoto
Wrasse
22 Sightings
J
3
F
3
M
2
A
0
M
0
J
1
J
0
A
0
S
1
O
1
N
4
D
7
The image shown is a representative illustration and does not depict every individual animal in this category.
Total number of species approx.: 350
Alamy-Andre Seal
Damselfish
30 Sightings
J
4
F
3
M
3
A
0
M
1
J
1
J
1
A
0
S
1
O
1
N
4
D
11
The image shown is a representative illustration and does not depict every individual animal in this category.
Total number of species approx.: 130
AdobeStock-JirinaVFR
Pufferfish
21 Sightings
J
2
F
4
M
0
A
0
M
1
J
0
J
1
A
0
S
3
O
1
N
3
D
6
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
21 Sightings
J
4
F
2
M
4
A
1
M
0
J
0
J
1
A
0
S
1
O
0
N
0
D
8
The image shown is a representative illustration and does not depict every individual animal in this category.
Total number of species approx.: 85
iStock-mirecca
Surgeonfish
19 Sightings
J
4
F
3
M
2
A
0
M
0
J
1
J
1
A
0
S
1
O
1
N
0
D
6
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
18 Sightings
J
4
F
3
M
2
A
0
M
0
J
0
J
0
A
0
S
1
O
1
N
0
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
iStock-Miguel-Angelo-Silva.
Scorpionfish
16 Sightings
J
4
F
2
M
3
A
0
M
1
J
0
J
0
A
1
S
1
O
1
N
0
D
3
The image shown is a representative illustration and does not depict every individual animal in this category.
Total number of species approx.: 25
AdobeStock_Vladimir Wrangel
Boxfish
16 Sightings
J
2
F
2
M
2
A
0
M
1
J
0
J
0
A
0
S
0
O
0
N
0
D
9
Alamy-Water Frame
Panther Moray Eel (Dragon Eel)
12 Sightings
J
5
F
0
M
2
A
0
M
0
J
0
J
0
A
0
S
0
O
0
N
0
D
5
