Beomseom (Tiger Island)
Jeju Island · South Korea
Uninhabited volcanic island named for its resemblance to a crouching tiger, featuring dramatic basalt formations, sea caves with cathedral arches, and vibrant soft coral gardens. Rich with diverse temperate and subtropical marine life across depths ranging 7-27m. UNESCO Biosphere Reserve.
Conditions
Depth
7 to 27 m
Open water and up
Current
Can be moderate
Can pick up on the edge
Visibility
5 to 10 m
Clearest in the calm season
Water
13 to 27°C
3mm wetsuit, low visibility
Month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Water (°C) | 13 | 13 | 13 | 14 | 16 | 17 | 22 | 24 | 22 | 18 | 15 | 13 |
| Vis (m) | 8 | 8 | 8 | 8 | 8 | 5 | 5 | 8 | 10 | 10 | 10 | 8 |
| Current | Gentle | Gentle | Gentle | Gentle | Gentle | Moderate | Moderate | Gentle | Gentle | Gentle | Gentle | Gentle |
Your chances of seeing each animal
Lionfish
Last confirmed Dec 10, 2025 · 3 records
Likely
About 6 in 10 dives
Giant Pacific Octopus
Expected
Known here, not yet in recent logs
Japanese Scorpionfish
Expected
Known here, not yet in recent logs
Nudibranchs
Expected
Known here, not yet in recent logs
Tuskfish
Expected
Known here, not yet in recent logs
Squid
Expected
Known here, not yet in recent logs
Gear