Cocos Island vs Catalina Islands — Dive Destination Comparison
Cocos Island (Costa Rica) scores 64.6/100 vs Catalina Islands's 57.6/100 in OkToDive's 12-category rating. Choose Cocos Island for pelagic diving with 9–30m visibility. Choose Catalina Islands for pelagic diving at ~$100/dive.
Last updated: 2026-07-22
Side-by-side comparison
| Metric | Cocos Island | Catalina Islands |
|---|---|---|
| OkToDive Score | 64.6/100 | 57.6/100 |
| Country | Costa Rica | Costa Rica |
| Visibility | 9--30m | 6--24m |
| Water temp | 22--28 C | 24--29 C |
| Max depth | 40m | 30m |
| Current | strong | moderate |
| Cost per 2-tank dive | $350 | $100 |
| Budget tier | ultra luxury | mid range |
| Best months | June, July, August | December, January, February |
| Dive types | pelagic, wall, drift, deep, night | pelagic |
| Min certification | Advanced Open Water | Open Water |
| Key species | scalloped hammerhead, whitetip reef shark, silky shark | manta ray, hammerhead, bull shark |
| Google rating | 4.9 (1200 reviews) | 0 (0 reviews) |
Which should you choose?
Choose Cocos Island when...
- + Marine life enthusiasts seeking scalloped hammerhead encounters
- + Experienced drift divers comfortable in current
- + Dedicated divers willing to commit to a liveaboard trip
Skip if
- - You're uncomfortable in strong currents
- - You don't have Advanced certification
- - You're on a tight budget — avg $350/dive
Choose Catalina Islands when...
- + Divers who prioritize pelagic diving
- + Anyone visiting Caribbean for the first time
- + Groups seeking 8+ named dive sites in one area
Skip if
- - You prefer uncrowded sites and this has 8+ named spots drawing traffic
- - You need shore access — this is boat-only
Bottom line
Cocos Island wins on overall score (64.6 vs 57.6), but the right choice depends on your priorities. Catalina Islands is more affordable ($100 vs $350/dive). Cocos Island has better peak visibility (30m vs 24m).