
Rock Garden
Pigeon Island · Sri Lanka
Rock Garden sits on the eastern flank of Pigeon Island where large granite boulders tumble into 20 metres of water, their surfaces carpeted in encrusting sponges, sea fans, and soft corals in shades of purple, orange, and crimson. The boulder field creates a labyrinthine series of swimthroughs, overhangs, and narrow corridors that shelter lionfish, scorpionfish, and large moray eels. Visibility here is consistently the best of all Pigeon Island sites, often exceeding 25 metres in the peak dry season, and the current that sweeps around the eastern headland brings plankton that draws feeding fusiliers and the occasional pelagic visitor.
Conditions
Depth
5 to 22 m
Open water and up
Current
Usually gentle
Can pick up on the edge
Visibility
20 to 28 m
Clearest in the calm season
Water
27 to 31°C
3mm shorty
Month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Water (°C) | 27 | 27 | 28 | 29 | 29 | 28 | 28 | 28 | 28 | 27 | 27 | 27 |
| Vis (m) | 8 | 10 | 15 | 20 | 22 | 22 | 20 | 18 | 12 | 8 | 6 | 6 |
| Current | Strong | Moderate | Moderate | Gentle | Gentle | Gentle | Gentle | Moderate | Moderate | Strong | Strong | Strong |
Your chances of seeing each animal
Indian Garden Lizard
Last confirmed Oct 21, 2025 · 31 records
Very likely
Most dives
House Crow
Last confirmed Jul 7, 2026 · 12 records
Very likely
Most dives
Yellow-Billed Babbler
Last confirmed Aug 29, 2025 · 13 records
Very likely
Most dives
White-Throated Kingfisher
Last confirmed Aug 11, 2025 · 13 records
Very likely
Most dives
Trevally
Last confirmed Aug 25, 2025 · 1 records
Likely
About 6 in 10 dives
Lionfish
Expected
Known here, not yet in recent logs
Sea Fan
Expected
Known here, not yet in recent logs
Gear