
Johnny's Gorge
Havelock Island · India
Open-water deep dive 18-19 km east of Havelock Island (Swaraj Dweep), named for the divemaster who first explored it. The bottom sits between 28 and 34 m on low lying rocky outcrops stitched together by huge barrel sponges, gorgonian fans, and soft coral. White-tip reef sharks are the headline — they cruise sand channels between the rocks and often rest motionless in pairs while divers drift overhead. Big-fish density is the second draw: dense schools of Andaman sweetlips, bluefin and giant trevally, dogtooth tuna, queenfish, barracuda, and large grouper hold position in the lee of the structure. Eagle rays pass through and the site sees occasional dolphins. Currents shift quickly with the tide and the depth chops visibility below 16 m, so this is firmly advanced only.
Conditions
Depth
20 to 34 m
Advanced depths
Current
Often strong
Can pick up on the edge
Visibility
8 to 12 m
Clearest in the calm season
Water
26 to 30°C
Tropical 3mm wetsuit
Month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Water (°C) | 26 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 26 | 26 |
| Vis (m) | 20 | 25 | 25 | 20 | 15 | 10 | 8 | 8 | 10 | 15 | 20 | 20 |
| Current | Moderate | Moderate | Moderate | Moderate | Moderate | Strong | Strong | Strong | Strong | Moderate | Moderate | Moderate |
Your chances of seeing each animal
Whitetip reef shark
Last confirmed Apr 15, 2026 · 130 records
Almost always
Nearly every dive
Giant trevally
Last confirmed Dec 18, 2025 · 3 records
Likely
About 6 in 10 dives
Dogtooth tuna
Last confirmed Mar 27, 2025 · 4 records
Likely
About 6 in 10 dives
Great barracuda
Last confirmed Dec 5, 2025 · 1 records
Likely
About 6 in 10 dives
Giant grouper
Last confirmed Sep 18, 2024 · 1 records
Likely
About 6 in 10 dives
Bluefin trevally
Last confirmed Apr 3, 2026 · 10 records
Likely
About 6 in 10 dives
Napoleon wrasse
Last confirmed Oct 21, 2025 · 7 records
Sometimes
About 1 in 3 dives
Andaman sweetlips
Expected
Known here, not yet in recent logs
Gear
Basic kit
For this site
- Dive light or torch · At 30-34 m, ambient light drops sharply and the overhangs where sharks rest are dim — a primary torch helps with shark ID and gorgonian colour.↗
- Nitrox cert + EAN32 fills · Bottom time at 28-30 m on air is short; EAN32 stretches no-deco limits and is offered by all Havelock operators with advance booking.