Blue Cave
★★★★☆
(260)
The “Blue Cave” at Cape Maeda, Onna Village, Okinawa, is famous for its mystical blue light, created by sunlight reflecting off the white sandy bottom. With depths of 5–7m, it’s ideal for all levels, offering rich marine life inside and out, and is a top spot for snorkeling and experience diving.
Blue Cave hosts vibrant marine life—sparrowhawks, butterflyfish, nudibranchs, crustaceans, jellyfish, and turtles—active year-round, peaking in summer.
Dive Activity & Environmental Conditions
Top Wildlife Sightings
Most frequently spotted marine life based on dive logs
#1
Clownfish
55
Total Sightings
J
F
M
A
M
J
J
A
S
O
N
D
#2
Angelfish
32
Total Sightings
J
F
M
A
M
J
J
A
S
O
N
D
#3
Parrotfish
32
Total Sightings
J
F
M
A
M
J
J
A
S
O
N
D
#4
Butterfly Fish
31
Total Sightings
J
F
M
A
M
J
J
A
S
O
N
D
#5
Bannerfish
22
Total Sightings
J
F
M
A
M
J
J
A
S
O
N
D
#6
Trumpetfish
17
Total Sightings
J
F
M
A
M
J
J
A
S
O
N
D
#7
Surgeonfish
13
Total Sightings
J
F
M
A
M
J
J
A
S
O
N
D
#8
Sweetlips and Grunts
12
Total Sightings
J
F
M
A
M
J
J
A
S
O
N
D
#9
Triggerfish
12
Total Sightings
J
F
M
A
M
J
J
A
S
O
N
D
#10
Octopus
12
Total Sightings
J
F
M
A
M
J
J
A
S
O
N
D
