Yonaguni Monument
★★★★☆
(72)
The Underwater Ruins were discovered by a local diver in 1986 and is a popular diving spot in Yonaguni along with hammerhead sharks. It’s about 15 minutes from the port. A huge staircase-shaped wall spans about 250m east-west and 150m north-south to form the ruins.
You could spot hammerhead sharks and lots of reef fish.
Dive Activity & Environmental Conditions
Top Wildlife Sightings
Most frequently spotted marine life based on dive logs
#1
Green Turtle
2
Total Sightings
J
F
M
A
M
J
J
A
S
O
N
D
#2
Angelfish
2
Total Sightings
J
F
M
A
M
J
J
A
S
O
N
D
#3
Jackfish
2
Total Sightings
J
F
M
A
M
J
J
A
S
O
N
D
#4
Loggerhead Turtle
1
Total Sightings
J
F
M
A
M
J
J
A
S
O
N
D
#5
Hawksbill Turtle
1
Total Sightings
J
F
M
A
M
J
J
A
S
O
N
D
#6
Butterfly Fish
1
Total Sightings
J
F
M
A
M
J
J
A
S
O
N
D
#7
Clownfish
1
Total Sightings
J
F
M
A
M
J
J
A
S
O
N
D
#8
Triggerfish
1
Total Sightings
J
F
M
A
M
J
J
A
S
O
N
D
