Silhouette Island vs Mahe & Praslin — Dive Destination Comparison
Silhouette Island (Seychelles) scores 64.3/100 vs Mahe & Praslin's 64.2/100 in OkToDive's 12-category rating. Choose Silhouette Island for reef diving with 12–28m visibility. Choose Mahe & Praslin for reef diving at ~$90/dive.
Last updated: 2026-07-22
Side-by-side comparison
| Metric | Silhouette Island | Mahe & Praslin |
|---|---|---|
| OkToDive Score | 64.3/100 | 64.2/100 |
| Country | Seychelles | Seychelles |
| Visibility | 12--28m | 6--24m |
| Water temp | 25--30 C | 26--30 C |
| Max depth | 35m | 30m |
| Current | moderate | moderate |
| Cost per 2-tank dive | $140 | $90 |
| Budget tier | luxury | mid range |
| Best months | March, April, May | March, April, May |
| Dive types | reef, wall, granite boulders | reef, pelagic |
| Min certification | Open Water | Open Water |
| Key species | whale shark, hawksbill turtle, batfish | manta ray, whale shark, reef shark |
| Google rating | 4.6 (48 reviews) | 0 (0 reviews) |
Which should you choose?
Choose Silhouette Island when...
- + Divers who prioritize reef diving
- + Anyone visiting Indian Ocean for the first time
- + Groups seeking 10+ named dive sites in one area
Skip if
- - You don't have Advanced certification
- - You're on a tight budget — avg $140/dive
Choose Mahe & Praslin when...
- + Divers who prioritize reef diving
- + Anyone visiting Indian Ocean for the first time
- + Groups seeking 30+ named dive sites in one area
Skip if
- - You prefer uncrowded sites and this has 30+ named spots drawing traffic
- - You need shore access — this is boat-only
Bottom line
Silhouette Island wins on overall score (64.3 vs 64.2), but the right choice depends on your priorities. Mahe & Praslin is more affordable ($90 vs $140/dive). Silhouette Island has better peak visibility (28m vs 24m).