Similan Islands vs Komodo National Park — Dive Destination Comparison
Komodo National Park (Indonesia) scores 78.4/100 vs Similan Islands's 64.2/100 in OkToDive's 12-category rating. Choose Similan Islands for cave diving with 15–40m visibility. Choose Komodo National Park for drift diving at ~$100/dive.
Last updated: 2026-07-22
Side-by-side comparison
| Metric | Similan Islands | Komodo National Park |
|---|---|---|
| OkToDive Score | 64.2/100 | 78.4/100 |
| Country | Thailand | Indonesia |
| Visibility | 15--40m | 9--30m |
| Water temp | 30--35 C | 22--29 C |
| Max depth | 40m | 40m |
| Current | moderate | strong |
| Cost per 2-tank dive | $120 | $100 |
| Budget tier | mid range | mid range |
| Best months | November, December, January | April, May, June |
| Dive types | cave, pelagic | drift, reef, wall, muck, pelagic |
| Min certification | Open Water | Advanced Open Water |
| Key species | manta ray, whale shark, seahorse | manta ray, whitetip reef shark, giant trevally |
| Google rating | 0 (0 reviews) | 4.7 (4200 reviews) |
Which should you choose?
Choose Similan Islands when...
- + Marine life enthusiasts seeking manta ray encounters
- + Wide-angle photographers wanting crystal visibility
- + Groups seeking 30+ named dive sites in one area
Skip if
- - You don't have Advanced certification
- - You need shore access — this is boat-only
Choose Komodo National Park when...
- + Marine life enthusiasts seeking manta ray encounters
- + Experienced drift divers comfortable in current
- + Groups seeking 50+ named dive sites in one area
Skip if
- - You're uncomfortable in strong currents
- - You don't have Advanced certification
Bottom line
Komodo National Park wins on overall score (78.4 vs 64.2), but the right choice depends on your priorities. Komodo National Park is more affordable ($100 vs $120/dive). Similan Islands has better peak visibility (40m vs 30m).