Channel (Alphonse-St François)
Best time to dive
April to May; October to November; October to May
What you might see
- Dogtooth tunaPossible
- Grey reef sharkLikely
- Hammerhead sharkPossible
- Manta rayPeak season
- NudibranchLikely
- Nurse sharkPossible
- Sea turtlePeak season
Sightings are seasonal probabilities, not promises - even in peak season nature does its own thing.
Certification & difficulty
Advanced Open Water - advanced conditions (currents/depth); dive within your training.
Snorkelling
Not a snorkel site - Not suitable - deep channel profile and strong current rule out snorkeling
Safety notes
Strong, sometimes unpredictable currents; advanced-diver-only conditions; very remote with limited surface support
Permits & fees
Alphonse and St Francois are part of a private atoll group - diving is only offered through the Alphonse Island Lodge/Blue Safari PADI 5-star dive centre; no independent diving access
Permits and operators change - confirm before booking.
Location
Nearest hub: Alphonse Island
This profile is desk research, compiled from public sources - not a first-hand dive report. Coordinates are approximate.

